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<?php
/**
* General template tags that can go anywhere in a template.
*
* @package WordPress
* @subpackage Template
*/
/**
* Loads header template.
*
* Includes the header template for a theme or if a name is specified then a
* specialized header will be included.
*
* For the parameter, if the file is called "header-special.php" then specify
* "special".
*
* @since 1.5.0
* @since 5.5.0 A return value was added.
* @since 5.5.0 The `$args` parameter was added.
*
* @param string $name The name of the specialized header.
* @param array $args Optional. Additional arguments passed to the header template.
* Default empty array.
* @return void|false Void on success, false if the template does not exist.
*/
function get_header( $name = null, $args = array() ) {
/**
* Fires before the header template file is loaded.
*
* @since 2.1.0
* @since 2.8.0 The `$name` parameter was added.
* @since 5.5.0 The `$args` parameter was added.
*
* @param string|null $name Name of the specific header file to use. Null for the default header.
* @param array $args Additional arguments passed to the header template.
*/
do_action( 'get_header', $name, $args );
$templates = array();
$name = (string) $name;
if ( '' !== $name ) {
$templates[] = "header-{$name}.php";
}
$templates[] = 'header.php';
if ( ! locate_template( $templates, true, true, $args ) ) {
return false;
}
}
/**
* Loads footer template.
*
* Includes the footer template for a theme or if a name is specified then a
* specialized footer will be included.
*
* For the parameter, if the file is called "footer-special.php" then specify
* "special".
*
* @since 1.5.0
* @since 5.5.0 A return value was added.
* @since 5.5.0 The `$args` parameter was added.
*
* @param string $name The name of the specialized footer.
* @param array $args Optional. Additional arguments passed to the footer template.
* Default empty array.
* @return void|false Void on success, false if the template does not exist.
*/
function get_footer( $name = null, $args = array() ) {
/**
* Fires before the footer template file is loaded.
*
* @since 2.1.0
* @since 2.8.0 The `$name` parameter was added.
* @since 5.5.0 The `$args` parameter was added.
*
* @param string|null $name Name of the specific footer file to use. Null for the default footer.
* @param array $args Additional arguments passed to the footer template.
*/
do_action( 'get_footer', $name, $args );
$templates = array();
$name = (string) $name;
if ( '' !== $name ) {
$templates[] = "footer-{$name}.php";
}
$templates[] = 'footer.php';
if ( ! locate_template( $templates, true, true, $args ) ) {
return false;
}
}
/**
* Loads sidebar template.
*
* Includes the sidebar template for a theme or if a name is specified then a
* specialized sidebar will be included.
*
* For the parameter, if the file is called "sidebar-special.php" then specify
* "special".
*
* @since 1.5.0
* @since 5.5.0 A return value was added.
* @since 5.5.0 The `$args` parameter was added.
*
* @param string $name The name of the specialized sidebar.
* @param array $args Optional. Additional arguments passed to the sidebar template.
* Default empty array.
* @return void|false Void on success, false if the template does not exist.
*/
function get_sidebar( $name = null, $args = array() ) {
/**
* Fires before the sidebar template file is loaded.
*
* @since 2.2.0
* @since 2.8.0 The `$name` parameter was added.
* @since 5.5.0 The `$args` parameter was added.
*
* @param string|null $name Name of the specific sidebar file to use. Null for the default sidebar.
* @param array $args Additional arguments passed to the sidebar template.
*/
do_action( 'get_sidebar', $name, $args );
$templates = array();
$name = (string) $name;
if ( '' !== $name ) {
$templates[] = "sidebar-{$name}.php";
}
$templates[] = 'sidebar.php';
if ( ! locate_template( $templates, true, true, $args ) ) {
return false;
}
}
/**
* Loads a template part into a template.
*
* Provides a simple mechanism for child themes to overload reusable sections of code
* in the theme.
*
* Includes the named template part for a theme or if a name is specified then a
* specialized part will be included. If the theme contains no {slug}.php file
* then no template will be included.
*
* The template is included using require, not require_once, so you may include the
* same template part multiple times.
*
* For the $name parameter, if the file is called "{slug}-special.php" then specify
* "special".
*
* @since 3.0.0
* @since 5.5.0 A return value was added.
* @since 5.5.0 The `$args` parameter was added.
*
* @param string $slug The slug name for the generic template.
* @param string|null $name Optional. The name of the specialized template.
* @param array $args Optional. Additional arguments passed to the template.
* Default empty array.
* @return void|false Void on success, false if the template does not exist.
*/
function get_template_part( $slug, $name = null, $args = array() ) {
/**
* Fires before the specified template part file is loaded.
*
* The dynamic portion of the hook name, `$slug`, refers to the slug name
* for the generic template part.
*
* @since 3.0.0
* @since 5.5.0 The `$args` parameter was added.
*
* @param string $slug The slug name for the generic template.
* @param string|null $name The name of the specialized template or null if
* there is none.
* @param array $args Additional arguments passed to the template.
*/
do_action( "get_template_part_{$slug}", $slug, $name, $args );
$templates = array();
$name = (string) $name;
if ( '' !== $name ) {
$templates[] = "{$slug}-{$name}.php";
}
$templates[] = "{$slug}.php";
/**
* Fires before an attempt is made to locate and load a template part.
*
* @since 5.2.0
* @since 5.5.0 The `$args` parameter was added.
*
* @param string $slug The slug name for the generic template.
* @param string $name The name of the specialized template or an empty
* string if there is none.
* @param string[] $templates Array of template files to search for, in order.
* @param array $args Additional arguments passed to the template.
*/
do_action( 'get_template_part', $slug, $name, $templates, $args );
if ( ! locate_template( $templates, true, false, $args ) ) {
return false;
}
}
/**
* Displays search form.
*
* Will first attempt to locate the searchform.php file in either the child or
* the parent, then load it. If it doesn't exist, then the default search form
* will be displayed. The default search form is HTML, which will be displayed.
* There is a filter applied to the search form HTML in order to edit or replace
* it. The filter is {@see 'get_search_form'}.
*
* This function is primarily used by themes which want to hardcode the search
* form into the sidebar and also by the search widget in WordPress.
*
* There is also an action that is called whenever the function is run called,
* {@see 'pre_get_search_form'}. This can be useful for outputting JavaScript that the
* search relies on or various formatting that applies to the beginning of the
* search. To give a few examples of what it can be used for.
*
* @since 2.7.0
* @since 5.2.0 The `$args` array parameter was added in place of an `$echo` boolean flag.
*
* @param array $args {
* Optional. Array of display arguments.
*
* @type bool $echo Whether to echo or return the form. Default true.
* @type string $aria_label ARIA label for the search form. Useful to distinguish
* multiple search forms on the same page and improve
* accessibility. Default empty.
* }
* @return void|string Void if 'echo' argument is true, search form HTML if 'echo' is false.
*/
function get_search_form( $args = array() ) {
/**
* Fires before the search form is retrieved, at the start of get_search_form().
*
* @since 2.7.0 as 'get_search_form' action.
* @since 3.6.0
* @since 5.5.0 The `$args` parameter was added.
*
* @link https://core.trac.wordpress.org/ticket/19321
*
* @param array $args The array of arguments for building the search form.
* See get_search_form() for information on accepted arguments.
*/
do_action( 'pre_get_search_form', $args );
$echo = true;
if ( ! is_array( $args ) ) {
/*
* Back compat: to ensure previous uses of get_search_form() continue to
* function as expected, we handle a value for the boolean $echo param removed
* in 5.2.0. Then we deal with the $args array and cast its defaults.
*/
$echo = (bool) $args;
// Set an empty array and allow default arguments to take over.
$args = array();
}
// Defaults are to echo and to output no custom label on the form.
$defaults = array(
'echo' => $echo,
'aria_label' => '',
);
$args = wp_parse_args( $args, $defaults );
/**
* Filters the array of arguments used when generating the search form.
*
* @since 5.2.0
*
* @param array $args The array of arguments for building the search form.
* See get_search_form() for information on accepted arguments.
*/
$args = apply_filters( 'search_form_args', $args );
// Ensure that the filtered arguments contain all required default values.
$args = array_merge( $defaults, $args );
$format = current_theme_supports( 'html5', 'search-form' ) ? 'html5' : 'xhtml';
/**
* Filters the HTML format of the search form.
*
* @since 3.6.0
* @since 5.5.0 The `$args` parameter was added.
*
* @param string $format The type of markup to use in the search form.
* Accepts 'html5', 'xhtml'.
* @param array $args The array of arguments for building the search form.
* See get_search_form() for information on accepted arguments.
*/
$format = apply_filters( 'search_form_format', $format, $args );
$search_form_template = locate_template( 'searchform.php' );
if ( '' !== $search_form_template ) {
ob_start();
require $search_form_template;
$form = ob_get_clean();
} else {
// Build a string containing an aria-label to use for the search form.
if ( $args['aria_label'] ) {
$aria_label = 'aria-label="' . esc_attr( $args['aria_label'] ) . '" ';
} else {
/*
* If there's no custom aria-label, we can set a default here. At the
* moment it's empty as there's uncertainty about what the default should be.
*/
$aria_label = '';
}
if ( 'html5' === $format ) {
$form = '<form role="search" ' . $aria_label . 'method="get" class="search-form" action="' . esc_url( home_url( '/' ) ) . '">
<label>
<span class="screen-reader-text">' .
/* translators: Hidden accessibility text. */
_x( 'Search for:', 'label' ) .
'</span>
<input type="search" class="search-field" placeholder="' . esc_attr_x( 'Search …', 'placeholder' ) . '" value="' . get_search_query() . '" name="s" />
</label>
<input type="submit" class="search-submit" value="' . esc_attr_x( 'Search', 'submit button' ) . '" />
</form>';
} else {
$form = '<form role="search" ' . $aria_label . 'method="get" id="searchform" class="searchform" action="' . esc_url( home_url( '/' ) ) . '">
<div>
<label class="screen-reader-text" for="s">' .
/* translators: Hidden accessibility text. */
_x( 'Search for:', 'label' ) .
'</label>
<input type="text" value="' . get_search_query() . '" name="s" id="s" />
<input type="submit" id="searchsubmit" value="' . esc_attr_x( 'Search', 'submit button' ) . '" />
</div>
</form>';
}
}
/**
* Filters the HTML output of the search form.
*
* @since 2.7.0
* @since 5.5.0 The `$args` parameter was added.
*
* @param string $form The search form HTML output.
* @param array $args The array of arguments for building the search form.
* See get_search_form() for information on accepted arguments.
*/
$result = apply_filters( 'get_search_form', $form, $args );
if ( null === $result ) {
$result = $form;
}
if ( $args['echo'] ) {
echo $result;
} else {
return $result;
}
}
/**
* Displays the Log In/Out link.
*
* Displays a link, which allows users to navigate to the Log In page to log in
* or log out depending on whether they are currently logged in.
*
* @since 1.5.0
*
* @param string $redirect Optional path to redirect to on login/logout.
* @param bool $display Default to echo and not return the link.
* @return void|string Void if `$display` argument is true, log in/out link if `$display` is false.
*/
function wp_loginout( $redirect = '', $display = true ) {
if ( ! is_user_logged_in() ) {
$link = '<a href="' . esc_url( wp_login_url( $redirect ) ) . '">' . __( 'Log in' ) . '</a>';
} else {
$link = '<a href="' . esc_url( wp_logout_url( $redirect ) ) . '">' . __( 'Log out' ) . '</a>';
}
if ( $display ) {
/**
* Filters the HTML output for the Log In/Log Out link.
*
* @since 1.5.0
*
* @param string $link The HTML link content.
*/
echo apply_filters( 'loginout', $link );
} else {
/** This filter is documented in wp-includes/general-template.php */
return apply_filters( 'loginout', $link );
}
}
/**
* Retrieves the logout URL.
*
* Returns the URL that allows the user to log out of the site.
*
* @since 2.7.0
*
* @param string $redirect Path to redirect to on logout.
* @return string The logout URL. Note: HTML-encoded via esc_html() in wp_nonce_url().
*/
function wp_logout_url( $redirect = '' ) {
$args = array();
if ( ! empty( $redirect ) ) {
$args['redirect_to'] = urlencode( $redirect );
}
$logout_url = add_query_arg( $args, site_url( 'wp-login.php?action=logout', 'login' ) );
$logout_url = wp_nonce_url( $logout_url, 'log-out' );
/**
* Filters the logout URL.
*
* @since 2.8.0
*
* @param string $logout_url The HTML-encoded logout URL.
* @param string $redirect Path to redirect to on logout.
*/
return apply_filters( 'logout_url', $logout_url, $redirect );
}
/**
* Retrieves the login URL.
*
* @since 2.7.0
*
* @param string $redirect Path to redirect to on log in.
* @param bool $force_reauth Whether to force reauthorization, even if a cookie is present.
* Default false.
* @return string The login URL. Not HTML-encoded.
*/
function wp_login_url( $redirect = '', $force_reauth = false ) {
$login_url = site_url( 'wp-login.php', 'login' );
if ( ! empty( $redirect ) ) {
$login_url = add_query_arg( 'redirect_to', urlencode( $redirect ), $login_url );
}
if ( $force_reauth ) {
$login_url = add_query_arg( 'reauth', '1', $login_url );
}
/**
* Filters the login URL.
*
* @since 2.8.0
* @since 4.2.0 The `$force_reauth` parameter was added.
*
* @param string $login_url The login URL. Not HTML-encoded.
* @param string $redirect The path to redirect to on login, if supplied.
* @param bool $force_reauth Whether to force reauthorization, even if a cookie is present.
*/
return apply_filters( 'login_url', $login_url, $redirect, $force_reauth );
}
/**
* Returns the URL that allows the user to register on the site.
*
* @since 3.6.0
*
* @return string User registration URL.
*/
function wp_registration_url() {
/**
* Filters the user registration URL.
*
* @since 3.6.0
*
* @param string $register The user registration URL.
*/
return apply_filters( 'register_url', site_url( 'wp-login.php?action=register', 'login' ) );
}
/**
* Provides a simple login form for use anywhere within WordPress.
*
* The login form HTML is echoed by default. Pass a false value for `$echo` to return it instead.
*
* @since 3.0.0
*
* @param array $args {
* Optional. Array of options to control the form output. Default empty array.
*
* @type bool $echo Whether to display the login form or return the form HTML code.
* Default true (echo).
* @type string $redirect URL to redirect to. Must be absolute, as in "https://example.com/mypage/".
* Default is to redirect back to the request URI.
* @type string $form_id ID attribute value for the form. Default 'loginform'.
* @type string $label_username Label for the username or email address field. Default 'Username or Email Address'.
* @type string $label_password Label for the password field. Default 'Password'.
* @type string $label_remember Label for the remember field. Default 'Remember Me'.
* @type string $label_log_in Label for the submit button. Default 'Log In'.
* @type string $id_username ID attribute value for the username field. Default 'user_login'.
* @type string $id_password ID attribute value for the password field. Default 'user_pass'.
* @type string $id_remember ID attribute value for the remember field. Default 'rememberme'.
* @type string $id_submit ID attribute value for the submit button. Default 'wp-submit'.
* @type bool $remember Whether to display the "rememberme" checkbox in the form.
* @type string $value_username Default value for the username field. Default empty.
* @type bool $value_remember Whether the "Remember Me" checkbox should be checked by default.
* Default false (unchecked).
*
* }
* @return void|string Void if 'echo' argument is true, login form HTML if 'echo' is false.
*/
function wp_login_form( $args = array() ) {
$defaults = array(
'echo' => true,
// Default 'redirect' value takes the user back to the request URI.
'redirect' => ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'],
'form_id' => 'loginform',
'label_username' => __( 'Username or Email Address' ),
'label_password' => __( 'Password' ),
'label_remember' => __( 'Remember Me' ),
'label_log_in' => __( 'Log In' ),
'id_username' => 'user_login',
'id_password' => 'user_pass',
'id_remember' => 'rememberme',
'id_submit' => 'wp-submit',
'remember' => true,
'value_username' => '',
// Set 'value_remember' to true to default the "Remember me" checkbox to checked.
'value_remember' => false,
);
/**
* Filters the default login form output arguments.
*
* @since 3.0.0
*
* @see wp_login_form()
*
* @param array $defaults An array of default login form arguments.
*/
$args = wp_parse_args( $args, apply_filters( 'login_form_defaults', $defaults ) );
/**
* Filters content to display at the top of the login form.
*
* The filter evaluates just following the opening form tag element.
*
* @since 3.0.0
*
* @param string $content Content to display. Default empty.
* @param array $args Array of login form arguments.
*/
$login_form_top = apply_filters( 'login_form_top', '', $args );
/**
* Filters content to display in the middle of the login form.
*
* The filter evaluates just following the location where the 'login-password'
* field is displayed.
*
* @since 3.0.0
*
* @param string $content Content to display. Default empty.
* @param array $args Array of login form arguments.
*/
$login_form_middle = apply_filters( 'login_form_middle', '', $args );
/**
* Filters content to display at the bottom of the login form.
*
* The filter evaluates just preceding the closing form tag element.
*
* @since 3.0.0
*
* @param string $content Content to display. Default empty.
* @param array $args Array of login form arguments.
*/
$login_form_bottom = apply_filters( 'login_form_bottom', '', $args );
$form =
sprintf(
'<form name="%1$s" id="%1$s" action="%2$s" method="post">',
esc_attr( $args['form_id'] ),
esc_url( site_url( 'wp-login.php', 'login_post' ) )
) .
$login_form_top .
sprintf(
'<p class="login-username">
<label for="%1$s">%2$s</label>
<input type="text" name="log" id="%1$s" autocomplete="username" class="input" value="%3$s" size="20" />
</p>',
esc_attr( $args['id_username'] ),
esc_html( $args['label_username'] ),
esc_attr( $args['value_username'] )
) .
sprintf(
'<p class="login-password">
<label for="%1$s">%2$s</label>
<input type="password" name="pwd" id="%1$s" autocomplete="current-password" spellcheck="false" class="input" value="" size="20" />
</p>',
esc_attr( $args['id_password'] ),
esc_html( $args['label_password'] )
) .
$login_form_middle .
( $args['remember'] ?
sprintf(
'<p class="login-remember"><label><input name="rememberme" type="checkbox" id="%1$s" value="forever"%2$s /> %3$s</label></p>',
esc_attr( $args['id_remember'] ),
( $args['value_remember'] ? ' checked="checked"' : '' ),
esc_html( $args['label_remember'] )
) : ''
) .
sprintf(
'<p class="login-submit">
<input type="submit" name="wp-submit" id="%1$s" class="button button-primary" value="%2$s" />
<input type="hidden" name="redirect_to" value="%3$s" />
</p>',
esc_attr( $args['id_submit'] ),
esc_attr( $args['label_log_in'] ),
esc_url( $args['redirect'] )
) .
$login_form_bottom .
'</form>';
if ( $args['echo'] ) {
echo $form;
} else {
return $form;
}
}
/**
* Returns the URL that allows the user to reset the lost password.
*
* @since 2.8.0
*
* @param string $redirect Path to redirect to on login.
* @return string Lost password URL.
*/
function wp_lostpassword_url( $redirect = '' ) {
$args = array(
'action' => 'lostpassword',
);
if ( ! empty( $redirect ) ) {
$args['redirect_to'] = urlencode( $redirect );
}
if ( is_multisite() ) {
$blog_details = get_site();
$wp_login_path = $blog_details->path . 'wp-login.php';
} else {
$wp_login_path = 'wp-login.php';
}
$lostpassword_url = add_query_arg( $args, network_site_url( $wp_login_path, 'login' ) );
/**
* Filters the Lost Password URL.
*
* @since 2.8.0
*
* @param string $lostpassword_url The lost password page URL.
* @param string $redirect The path to redirect to on login.
*/
return apply_filters( 'lostpassword_url', $lostpassword_url, $redirect );
}
/**
* Displays the Registration or Admin link.
*
* Display a link which allows the user to navigate to the registration page if
* not logged in and registration is enabled or to the dashboard if logged in.
*
* @since 1.5.0
*
* @param string $before Text to output before the link. Default `<li>`.
* @param string $after Text to output after the link. Default `</li>`.
* @param bool $display Default to echo and not return the link.
* @return void|string Void if `$display` argument is true, registration or admin link
* if `$display` is false.
*/
function wp_register( $before = '<li>', $after = '</li>', $display = true ) {
if ( ! is_user_logged_in() ) {
if ( get_option( 'users_can_register' ) ) {
$link = $before . '<a href="' . esc_url( wp_registration_url() ) . '">' . __( 'Register' ) . '</a>' . $after;
} else {
$link = '';
}
} elseif ( current_user_can( 'read' ) ) {
$link = $before . '<a href="' . admin_url() . '">' . __( 'Site Admin' ) . '</a>' . $after;
} else {
$link = '';
}
/**
* Filters the HTML link to the Registration or Admin page.
*
* Users are sent to the admin page if logged-in, or the registration page
* if enabled and logged-out.
*
* @since 1.5.0
*
* @param string $link The HTML code for the link to the Registration or Admin page.
*/
$link = apply_filters( 'register', $link );
if ( $display ) {
echo $link;
} else {
return $link;
}
}
/**
* Theme container function for the 'wp_meta' action.
*
* The {@see 'wp_meta'} action can have several purposes, depending on how you use it,
* but one purpose might have been to allow for theme switching.
*
* @since 1.5.0
*
* @link https://core.trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action.
*/
function wp_meta() {
/**
* Fires before displaying echoed content in the sidebar.
*
* @since 1.5.0
*/
do_action( 'wp_meta' );
}
/**
* Displays information about the current site.
*
* @since 0.71
*
* @see get_bloginfo() For possible `$show` values
*
* @param string $show Optional. Site information to display. Default empty.
*/
function bloginfo( $show = '' ) {
echo get_bloginfo( $show, 'display' );
}
/**
* Retrieves information about the current site.
*
* Possible values for `$show` include:
*
* - 'name' - Site title (set in Settings > General)
* - 'description' - Site tagline (set in Settings > General)
* - 'wpurl' - The WordPress address (URL) (set in Settings > General)
* - 'url' - The Site address (URL) (set in Settings > General)
* - 'admin_email' - Admin email (set in Settings > General)
* - 'charset' - The "Encoding for pages and feeds" (set in Settings > Reading)
* - 'version' - The current WordPress version
* - 'html_type' - The Content-Type (default: "text/html"). Themes and plugins
* can override the default value using the {@see 'pre_option_html_type'} filter
* - 'text_direction' - The text direction determined by the site's language. is_rtl()
* should be used instead
* - 'language' - Language code for the current site
* - 'stylesheet_url' - URL to the stylesheet for the active theme. An active child theme
* will take precedence over this value
* - 'stylesheet_directory' - Directory path for the active theme. An active child theme
* will take precedence over this value
* - 'template_url' / 'template_directory' - URL of the active theme's directory. An active
* child theme will NOT take precedence over this value
* - 'pingback_url' - The pingback XML-RPC file URL (xmlrpc.php)
* - 'atom_url' - The Atom feed URL (/feed/atom)
* - 'rdf_url' - The RDF/RSS 1.0 feed URL (/feed/rdf)
* - 'rss_url' - The RSS 0.92 feed URL (/feed/rss)
* - 'rss2_url' - The RSS 2.0 feed URL (/feed)
* - 'comments_atom_url' - The comments Atom feed URL (/comments/feed)
* - 'comments_rss2_url' - The comments RSS 2.0 feed URL (/comments/feed)
*
* Some `$show` values are deprecated and will be removed in future versions.
* These options will trigger the _deprecated_argument() function.
*
* Deprecated arguments include:
*
* - 'siteurl' - Use 'url' instead
* - 'home' - Use 'url' instead
*
* @since 0.71
*
* @global string $wp_version The WordPress version string.
*
* @param string $show Optional. Site info to retrieve. Default empty (site name).
* @param string $filter Optional. How to filter what is retrieved. Default 'raw'.
* @return string Mostly string values, might be empty.
*/
function get_bloginfo( $show = '', $filter = 'raw' ) {
switch ( $show ) {
case 'home': // Deprecated.
case 'siteurl': // Deprecated.
_deprecated_argument(
__FUNCTION__,
'2.2.0',
sprintf(
/* translators: 1: 'siteurl'/'home' argument, 2: bloginfo() function name, 3: 'url' argument. */
__( 'The %1$s option is deprecated for the family of %2$s functions. Use the %3$s option instead.' ),
'<code>' . $show . '</code>',
'<code>bloginfo()</code>',
'<code>url</code>'
)
);
// Intentional fall-through to be handled by the 'url' case.
case 'url':
$output = home_url();
break;
case 'wpurl':
$output = site_url();
break;
case 'description':
$output = get_option( 'blogdescription' );
break;
case 'rdf_url':
$output = get_feed_link( 'rdf' );
break;
case 'rss_url':
$output = get_feed_link( 'rss' );
break;
case 'rss2_url':
$output = get_feed_link( 'rss2' );
break;
case 'atom_url':
$output = get_feed_link( 'atom' );
break;
case 'comments_atom_url':
$output = get_feed_link( 'comments_atom' );
break;
case 'comments_rss2_url':
$output = get_feed_link( 'comments_rss2' );
break;
case 'pingback_url':
$output = site_url( 'xmlrpc.php' );
break;
case 'stylesheet_url':
$output = get_stylesheet_uri();
break;
case 'stylesheet_directory':
$output = get_stylesheet_directory_uri();
break;
case 'template_directory':
case 'template_url':
$output = get_template_directory_uri();
break;
case 'admin_email':
$output = get_option( 'admin_email' );
break;
case 'charset':
$output = get_option( 'blog_charset' );
if ( '' === $output ) {
$output = 'UTF-8';
}
break;
case 'html_type':
$output = get_option( 'html_type' );
break;
case 'version':
global $wp_version;
$output = $wp_version;
break;
case 'language':
/*
* translators: Translate this to the correct language tag for your locale,
* see https://www.w3.org/International/articles/language-tags/ for reference.
* Do not translate into your own language.
*/
$output = __( 'html_lang_attribute' );
if ( 'html_lang_attribute' === $output || preg_match( '/[^a-zA-Z0-9-]/', $output ) ) {
$output = determine_locale();
$output = str_replace( '_', '-', $output );
}
break;
case 'text_direction':
_deprecated_argument(
__FUNCTION__,
'2.2.0',
sprintf(
/* translators: 1: 'text_direction' argument, 2: bloginfo() function name, 3: is_rtl() function name. */
__( 'The %1$s option is deprecated for the family of %2$s functions. Use the %3$s function instead.' ),
'<code>' . $show . '</code>',
'<code>bloginfo()</code>',
'<code>is_rtl()</code>'
)
);
if ( function_exists( 'is_rtl' ) ) {
$output = is_rtl() ? 'rtl' : 'ltr';
} else {
$output = 'ltr';
}
break;
case 'name':
default:
$output = get_option( 'blogname' );
break;
}
if ( 'display' === $filter ) {
if (
str_contains( $show, 'url' )
|| str_contains( $show, 'directory' )
|| str_contains( $show, 'home' )
) {
/**
* Filters the URL returned by get_bloginfo().
*
* @since 2.0.5
*
* @param string $output The URL returned by bloginfo().
* @param string $show Type of information requested.
*/
$output = apply_filters( 'bloginfo_url', $output, $show );
} else {
/**
* Filters the site information returned by get_bloginfo().
*
* @since 0.71
*
* @param mixed $output The requested non-URL site information.
* @param string $show Type of information requested.
*/
$output = apply_filters( 'bloginfo', $output, $show );
}
}
return $output;
}
/**
* Returns the Site Icon URL.
*
* @since 4.3.0
*
* @param int $size Optional. Size of the site icon. Default 512 (pixels).
* @param string $url Optional. Fallback url if no site icon is found. Default empty.
* @param int $blog_id Optional. ID of the blog to get the site icon for. Default current blog.
* @return string Site Icon URL.
*/
function get_site_icon_url( $size = 512, $url = '', $blog_id = 0 ) {
$switched_blog = false;
if ( is_multisite() && ! empty( $blog_id ) && get_current_blog_id() !== (int) $blog_id ) {
switch_to_blog( $blog_id );
$switched_blog = true;
}
$site_icon_id = (int) get_option( 'site_icon' );
if ( $site_icon_id ) {
if ( $size >= 512 ) {
$size_data = 'full';
} else {
$size_data = array( $size, $size );
}
$url = wp_get_attachment_image_url( $site_icon_id, $size_data );
}
if ( $switched_blog ) {
restore_current_blog();
}
/**
* Filters the site icon URL.
*
* @since 4.4.0
*
* @param string $url Site icon URL.
* @param int $size Size of the site icon.
* @param int $blog_id ID of the blog to get the site icon for.
*/
return apply_filters( 'get_site_icon_url', $url, $size, $blog_id );
}
/**
* Displays the Site Icon URL.
*
* @since 4.3.0
*
* @param int $size Optional. Size of the site icon. Default 512 (pixels).
* @param string $url Optional. Fallback url if no site icon is found. Default empty.
* @param int $blog_id Optional. ID of the blog to get the site icon for. Default current blog.
*/
function site_icon_url( $size = 512, $url = '', $blog_id = 0 ) {
echo esc_url( get_site_icon_url( $size, $url, $blog_id ) );
}
/**
* Determines whether the site has a Site Icon.
*
* @since 4.3.0
*
* @param int $blog_id Optional. ID of the blog in question. Default current blog.
* @return bool Whether the site has a site icon or not.
*/
function has_site_icon( $blog_id = 0 ) {
return (bool) get_site_icon_url( 512, '', $blog_id );
}
/**
* Determines whether the site has a custom logo.
*
* @since 4.5.0
*
* @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
* @return bool Whether the site has a custom logo or not.
*/
function has_custom_logo( $blog_id = 0 ) {
$switched_blog = false;
if ( is_multisite() && ! empty( $blog_id ) && get_current_blog_id() !== (int) $blog_id ) {
switch_to_blog( $blog_id );
$switched_blog = true;
}
$custom_logo_id = get_theme_mod( 'custom_logo' );
if ( $switched_blog ) {
restore_current_blog();
}
return (bool) $custom_logo_id;
}
/**
* Returns a custom logo, linked to home unless the theme supports removing the link on the home page.
*
* @since 4.5.0
* @since 5.5.0 Added option to remove the link on the home page with `unlink-homepage-logo` theme support
* for the `custom-logo` theme feature.
* @since 5.5.1 Disabled lazy-loading by default.
*
* @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
* @return string Custom logo markup.
*/
function get_custom_logo( $blog_id = 0 ) {
$html = '';
$switched_blog = false;
if ( is_multisite() && ! empty( $blog_id ) && get_current_blog_id() !== (int) $blog_id ) {
switch_to_blog( $blog_id );
$switched_blog = true;
}
$custom_logo_id = get_theme_mod( 'custom_logo' );
// We have a logo. Logo is go.
if ( $custom_logo_id ) {
$custom_logo_attr = array(
'class' => 'custom-logo',
'loading' => false,
);
$unlink_homepage_logo = (bool) get_theme_support( 'custom-logo', 'unlink-homepage-logo' );
if ( $unlink_homepage_logo && is_front_page() && ! is_paged() ) {
/*
* If on the home page, set the logo alt attribute to an empty string,
* as the image is decorative and doesn't need its purpose to be described.
*/
$custom_logo_attr['alt'] = '';
} else {
/*
* If the logo alt attribute is empty, get the site title and explicitly pass it
* to the attributes used by wp_get_attachment_image().
*/
$image_alt = get_post_meta( $custom_logo_id, '_wp_attachment_image_alt', true );
if ( empty( $image_alt ) ) {
$custom_logo_attr['alt'] = get_bloginfo( 'name', 'display' );
}
}
/**
* Filters the list of custom logo image attributes.
*
* @since 5.5.0
*
* @param array $custom_logo_attr Custom logo image attributes.
* @param int $custom_logo_id Custom logo attachment ID.
* @param int $blog_id ID of the blog to get the custom logo for.
*/
$custom_logo_attr = apply_filters( 'get_custom_logo_image_attributes', $custom_logo_attr, $custom_logo_id, $blog_id );
/*
* If the alt attribute is not empty, there's no need to explicitly pass it
* because wp_get_attachment_image() already adds the alt attribute.
*/
$image = wp_get_attachment_image( $custom_logo_id, 'full', false, $custom_logo_attr );
if ( $unlink_homepage_logo && is_front_page() && ! is_paged() ) {
// If on the home page, don't link the logo to home.
$html = sprintf(
'<span class="custom-logo-link">%1$s</span>',
$image
);
} else {
$aria_current = is_front_page() && ! is_paged() ? ' aria-current="page"' : '';
$html = sprintf(
'<a href="%1$s" class="custom-logo-link" rel="home"%2$s>%3$s</a>',
esc_url( home_url( '/' ) ),
$aria_current,
$image
);
}
} elseif ( is_customize_preview() ) {
// If no logo is set but we're in the Customizer, leave a placeholder (needed for the live preview).
$html = sprintf(
'<a href="%1$s" class="custom-logo-link" style="display:none;"><img class="custom-logo" alt="" /></a>',
esc_url( home_url( '/' ) )
);
}
if ( $switched_blog ) {
restore_current_blog();
}
/**
* Filters the custom logo output.
*
* @since 4.5.0
* @since 4.6.0 Added the `$blog_id` parameter.
*
* @param string $html Custom logo HTML output.
* @param int $blog_id ID of the blog to get the custom logo for.
*/
return apply_filters( 'get_custom_logo', $html, $blog_id );
}
/**
* Displays a custom logo, linked to home unless the theme supports removing the link on the home page.
*
* @since 4.5.0
*
* @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
*/
function the_custom_logo( $blog_id = 0 ) {
echo get_custom_logo( $blog_id );
}
/**
* Returns document title for the current page.
*
* @since 4.4.0
*
* @global int $page Page number of a single post.
* @global int $paged Page number of a list of posts.
*
* @return string Tag with the document title.
*/
function wp_get_document_title() {
/**
* Filters the document title before it is generated.
*
* Passing a non-empty value will short-circuit wp_get_document_title(),
* returning that value instead.
*
* @since 4.4.0
*
* @param string $title The document title. Default empty string.
*/
$title = apply_filters( 'pre_get_document_title', '' );
if ( ! empty( $title ) ) {
return $title;
}
global $page, $paged;
$title = array(
'title' => '',
);
// If it's a 404 page, use a "Page not found" title.
if ( is_404() ) {
$title['title'] = __( 'Page not found' );
// If it's a search, use a dynamic search results title.
} elseif ( is_search() ) {
/* translators: %s: Search query. */
$title['title'] = sprintf( __( 'Search Results for “%s”' ), get_search_query() );
// If on the front page, use the site title.
} elseif ( is_front_page() ) {
$title['title'] = get_bloginfo( 'name', 'display' );
// If on a post type archive, use the post type archive title.
} elseif ( is_post_type_archive() ) {
$title['title'] = post_type_archive_title( '', false );
// If on a taxonomy archive, use the term title.
} elseif ( is_tax() ) {
$title['title'] = single_term_title( '', false );
/*
* If we're on the blog page that is not the homepage
* or a single post of any post type, use the post title.
*/
} elseif ( is_home() || is_singular() ) {
$title['title'] = single_post_title( '', false );
// If on a category or tag archive, use the term title.
} elseif ( is_category() || is_tag() ) {
$title['title'] = single_term_title( '', false );
// If on an author archive, use the author's display name.
} elseif ( is_author() && get_queried_object() ) {
$author = get_queried_object();
$title['title'] = $author->display_name;
// If it's a date archive, use the date as the title.
} elseif ( is_year() ) {
$title['title'] = get_the_date( _x( 'Y', 'yearly archives date format' ) );
} elseif ( is_month() ) {
$title['title'] = get_the_date( _x( 'F Y', 'monthly archives date format' ) );
} elseif ( is_day() ) {
$title['title'] = get_the_date();
}
// Add a page number if necessary.
if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) {
/* translators: %s: Page number. */
$title['page'] = sprintf( __( 'Page %s' ), max( $paged, $page ) );
}
// Append the description or site title to give context.
if ( is_front_page() ) {
$title['tagline'] = get_bloginfo( 'description', 'display' );
} else {
$title['site'] = get_bloginfo( 'name', 'display' );
}
/**
* Filters the separator for the document title.
*
* @since 4.4.0
*
* @param string $sep Document title separator. Default '-'.
*/
$sep = apply_filters( 'document_title_separator', '-' );
/**
* Filters the parts of the document title.
*
* @since 4.4.0
*
* @param array $title {
* The document title parts.
*
* @type string $title Title of the viewed page.
* @type string $page Optional. Page number if paginated.
* @type string $tagline Optional. Site description when on home page.
* @type string $site Optional. Site title when not on home page.
* }
*/
$title = apply_filters( 'document_title_parts', $title );
$title = implode( " $sep ", array_filter( $title ) );
/**
* Filters the document title.
*
* @since 5.8.0
*
* @param string $title Document title.
*/
$title = apply_filters( 'document_title', $title );
return $title;
}
/**
* Displays title tag with content.
*
* @ignore
* @since 4.1.0
* @since 4.4.0 Improved title output replaced `wp_title()`.
* @access private
*/
function _wp_render_title_tag() {
if ( ! current_theme_supports( 'title-tag' ) ) {
return;
}
echo '<title>' . wp_get_document_title() . '</title>' . "\n";
}
/**
* Displays or retrieves page title for all areas of blog.
*
* By default, the page title will display the separator before the page title,
* so that the blog title will be before the page title. This is not good for
* title display, since the blog title shows up on most tabs and not what is
* important, which is the page that the user is looking at.
*
* There are also SEO benefits to having the blog title after or to the 'right'
* of the page title. However, it is mostly common sense to have the blog title
* to the right with most browsers supporting tabs. You can achieve this by
* using the seplocation parameter and setting the value to 'right'. This change
* was introduced around 2.5.0, in case backward compatibility of themes is
* important.
*
* @since 1.0.0
*
* @global WP_Locale $wp_locale WordPress date and time locale object.
*
* @param string $sep Optional. How to separate the various items within the page title.
* Default '»'.
* @param bool $display Optional. Whether to display or retrieve title. Default true.
* @param string $seplocation Optional. Location of the separator (either 'left' or 'right').
* @return string|void String when `$display` is false, nothing otherwise.
*/
function wp_title( $sep = '»', $display = true, $seplocation = '' ) {
global $wp_locale;
$m = get_query_var( 'm' );
$year = get_query_var( 'year' );
$monthnum = get_query_var( 'monthnum' );
$day = get_query_var( 'day' );
$search = get_query_var( 's' );
$title = '';
$t_sep = '%WP_TITLE_SEP%'; // Temporary separator, for accurate flipping, if necessary.
// If there is a post.
if ( is_single() || ( is_home() && ! is_front_page() ) || ( is_page() && ! is_front_page() ) ) {
$title = single_post_title( '', false );
}
// If there's a post type archive.
if ( is_post_type_archive() ) {
$post_type = get_query_var( 'post_type' );
if ( is_array( $post_type ) ) {
$post_type = reset( $post_type );
}
$post_type_object = get_post_type_object( $post_type );
if ( ! $post_type_object->has_archive ) {
$title = post_type_archive_title( '', false );
}
}
// If there's a category or tag.
if ( is_category() || is_tag() ) {
$title = single_term_title( '', false );
}
// If there's a taxonomy.
if ( is_tax() ) {
$term = get_queried_object();
if ( $term ) {
$tax = get_taxonomy( $term->taxonomy );
$title = single_term_title( $tax->labels->name . $t_sep, false );
}
}
// If there's an author.
if ( is_author() && ! is_post_type_archive() ) {
$author = get_queried_object();
if ( $author ) {
$title = $author->display_name;
}
}
// Post type archives with has_archive should override terms.
if ( is_post_type_archive() && $post_type_object->has_archive ) {
$title = post_type_archive_title( '', false );
}
// If there's a month.
if ( is_archive() && ! empty( $m ) ) {
$my_year = substr( $m, 0, 4 );
$my_month = substr( $m, 4, 2 );
$my_day = (int) substr( $m, 6, 2 );
$title = $my_year .
( $my_month ? $t_sep . $wp_locale->get_month( $my_month ) : '' ) .
( $my_day ? $t_sep . $my_day : '' );
}
// If there's a year.
if ( is_archive() && ! empty( $year ) ) {
$title = $year;
if ( ! empty( $monthnum ) ) {
$title .= $t_sep . $wp_locale->get_month( $monthnum );
}
if ( ! empty( $day ) ) {
$title .= $t_sep . zeroise( $day, 2 );
}
}
// If it's a search.
if ( is_search() ) {
/* translators: 1: Separator, 2: Search query. */
$title = sprintf( __( 'Search Results %1$s %2$s' ), $t_sep, strip_tags( $search ) );
}
// If it's a 404 page.
if ( is_404() ) {
$title = __( 'Page not found' );
}
$prefix = '';
if ( ! empty( $title ) ) {
$prefix = " $sep ";
}
/**
* Filters the parts of the page title.
*
* @since 4.0.0
*
* @param string[] $title_array Array of parts of the page title.
*/
$title_array = apply_filters( 'wp_title_parts', explode( $t_sep, $title ) );
// Determines position of the separator and direction of the breadcrumb.
if ( 'right' === $seplocation ) { // Separator on right, so reverse the order.
$title_array = array_reverse( $title_array );
$title = implode( " $sep ", $title_array ) . $prefix;
} else {
$title = $prefix . implode( " $sep ", $title_array );
}
/**
* Filters the text of the page title.
*
* @since 2.0.0
*
* @param string $title Page title.
* @param string $sep Title separator.
* @param string $seplocation Location of the separator (either 'left' or 'right').
*/
$title = apply_filters( 'wp_title', $title, $sep, $seplocation );
// Send it out.
if ( $display ) {
echo $title;
} else {
return $title;
}
}
/**
* Displays or retrieves page title for post.
*
* This is optimized for single.php template file for displaying the post title.
*
* It does not support placing the separator after the title, but by leaving the
* prefix parameter empty, you can set the title separator manually. The prefix
* does not automatically place a space between the prefix, so if there should
* be a space, the parameter value will need to have it at the end.
*
* @since 0.71
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional. Whether to display or retrieve title. Default true.
* @return string|void Title when retrieving.
*/
function single_post_title( $prefix = '', $display = true ) {
$_post = get_queried_object();
if ( ! isset( $_post->post_title ) ) {
return;
}
/**
* Filters the page title for a single post.
*
* @since 0.71
*
* @param string $_post_title The single post page title.
* @param WP_Post $_post The current post.
*/
$title = apply_filters( 'single_post_title', $_post->post_title, $_post );
if ( $display ) {
echo $prefix . $title;
} else {
return $prefix . $title;
}
}
/**
* Displays or retrieves title for a post type archive.
*
* This is optimized for archive.php and archive-{$post_type}.php template files
* for displaying the title of the post type.
*
* @since 3.1.0
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional. Whether to display or retrieve title. Default true.
* @return string|void Title when retrieving, null when displaying or failure.
*/
function post_type_archive_title( $prefix = '', $display = true ) {
if ( ! is_post_type_archive() ) {
return;
}
$post_type = get_query_var( 'post_type' );
if ( is_array( $post_type ) ) {
$post_type = reset( $post_type );
}
$post_type_obj = get_post_type_object( $post_type );
/**
* Filters the post type archive title.
*
* @since 3.1.0
*
* @param string $post_type_name Post type 'name' label.
* @param string $post_type Post type.
*/
$title = apply_filters( 'post_type_archive_title', $post_type_obj->labels->name, $post_type );
if ( $display ) {
echo $prefix . $title;
} else {
return $prefix . $title;
}
}
/**
* Displays or retrieves page title for category archive.
*
* Useful for category template files for displaying the category page title.
* The prefix does not automatically place a space between the prefix, so if
* there should be a space, the parameter value will need to have it at the end.
*
* @since 0.71
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional. Whether to display or retrieve title. Default true.
* @return string|void Title when retrieving.
*/
function single_cat_title( $prefix = '', $display = true ) {
return single_term_title( $prefix, $display );
}
/**
* Displays or retrieves page title for tag post archive.
*
* Useful for tag template files for displaying the tag page title. The prefix
* does not automatically place a space between the prefix, so if there should
* be a space, the parameter value will need to have it at the end.
*
* @since 2.3.0
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional. Whether to display or retrieve title. Default true.
* @return string|void Title when retrieving.
*/
function single_tag_title( $prefix = '', $display = true ) {
return single_term_title( $prefix, $display );
}
/**
* Displays or retrieves page title for taxonomy term archive.
*
* Useful for taxonomy term template files for displaying the taxonomy term page title.
* The prefix does not automatically place a space between the prefix, so if there should
* be a space, the parameter value will need to have it at the end.
*
* @since 3.1.0
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional. Whether to display or retrieve title. Default true.
* @return string|void Title when retrieving.
*/
function single_term_title( $prefix = '', $display = true ) {
$term = get_queried_object();
if ( ! $term ) {
return;
}
if ( is_category() ) {
/**
* Filters the category archive page title.
*
* @since 2.0.10
*
* @param string $term_name Category name for archive being displayed.
*/
$term_name = apply_filters( 'single_cat_title', $term->name );
} elseif ( is_tag() ) {
/**
* Filters the tag archive page title.
*
* @since 2.3.0
*
* @param string $term_name Tag name for archive being displayed.
*/
$term_name = apply_filters( 'single_tag_title', $term->name );
} elseif ( is_tax() ) {
/**
* Filters the custom taxonomy archive page title.
*
* @since 3.1.0
*
* @param string $term_name Term name for archive being displayed.
*/
$term_name = apply_filters( 'single_term_title', $term->name );
} else {
return;
}
if ( empty( $term_name ) ) {
return;
}
if ( $display ) {
echo $prefix . $term_name;
} else {
return $prefix . $term_name;
}
}
/**
* Displays or retrieves page title for post archive based on date.
*
* Useful for when the template only needs to display the month and year,
* if either are available. The prefix does not automatically place a space
* between the prefix, so if there should be a space, the parameter value
* will need to have it at the end.
*
* @since 0.71
*
* @global WP_Locale $wp_locale WordPress date and time locale object.
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional. Whether to display or retrieve title. Default true.
* @return string|false|void False if there's no valid title for the month. Title when retrieving.
*/
function single_month_title( $prefix = '', $display = true ) {
global $wp_locale;
$m = get_query_var( 'm' );
$year = get_query_var( 'year' );
$monthnum = get_query_var( 'monthnum' );
if ( ! empty( $monthnum ) && ! empty( $year ) ) {
$my_year = $year;
$my_month = $wp_locale->get_month( $monthnum );
} elseif ( ! empty( $m ) ) {
$my_year = substr( $m, 0, 4 );
$my_month = $wp_locale->get_month( substr( $m, 4, 2 ) );
}
if ( empty( $my_month ) ) {
return false;
}
$result = $prefix . $my_month . $prefix . $my_year;
if ( ! $display ) {
return $result;
}
echo $result;
}
/**
* Displays the archive title based on the queried object.
*
* @since 4.1.0
*
* @see get_the_archive_title()
*
* @param string $before Optional. Content to prepend to the title. Default empty.
* @param string $after Optional. Content to append to the title. Default empty.
*/
function the_archive_title( $before = '', $after = '' ) {
$title = get_the_archive_title();
if ( ! empty( $title ) ) {
echo $before . $title . $after;
}
}
/**
* Retrieves the archive title based on the queried object.
*
* @since 4.1.0
* @since 5.5.0 The title part is wrapped in a `<span>` element.
*
* @return string Archive title.
*/
function get_the_archive_title() {
$title = __( 'Archives' );
$prefix = '';
if ( is_category() ) {
$title = single_cat_title( '', false );
$prefix = _x( 'Category:', 'category archive title prefix' );
} elseif ( is_tag() ) {
$title = single_tag_title( '', false );
$prefix = _x( 'Tag:', 'tag archive title prefix' );
} elseif ( is_author() ) {
$title = get_the_author();
$prefix = _x( 'Author:', 'author archive title prefix' );
} elseif ( is_year() ) {
/* translators: See https://www.php.net/manual/datetime.format.php */
$title = get_the_date( _x( 'Y', 'yearly archives date format' ) );
$prefix = _x( 'Year:', 'date archive title prefix' );
} elseif ( is_month() ) {
/* translators: See https://www.php.net/manual/datetime.format.php */
$title = get_the_date( _x( 'F Y', 'monthly archives date format' ) );
$prefix = _x( 'Month:', 'date archive title prefix' );
} elseif ( is_day() ) {
/* translators: See https://www.php.net/manual/datetime.format.php */
$title = get_the_date( _x( 'F j, Y', 'daily archives date format' ) );
$prefix = _x( 'Day:', 'date archive title prefix' );
} elseif ( is_tax( 'post_format' ) ) {
if ( is_tax( 'post_format', 'post-format-aside' ) ) {
$title = _x( 'Asides', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-gallery' ) ) {
$title = _x( 'Galleries', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-image' ) ) {
$title = _x( 'Images', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-video' ) ) {
$title = _x( 'Videos', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-quote' ) ) {
$title = _x( 'Quotes', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-link' ) ) {
$title = _x( 'Links', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-status' ) ) {
$title = _x( 'Statuses', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-audio' ) ) {
$title = _x( 'Audio', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-chat' ) ) {
$title = _x( 'Chats', 'post format archive title' );
}
} elseif ( is_post_type_archive() ) {
$title = post_type_archive_title( '', false );
$prefix = _x( 'Archives:', 'post type archive title prefix' );
} elseif ( is_tax() ) {
$queried_object = get_queried_object();
if ( $queried_object ) {
$tax = get_taxonomy( $queried_object->taxonomy );
$title = single_term_title( '', false );
$prefix = sprintf(
/* translators: %s: Taxonomy singular name. */
_x( '%s:', 'taxonomy term archive title prefix' ),
$tax->labels->singular_name
);
}
}
$original_title = $title;
/**
* Filters the archive title prefix.
*
* @since 5.5.0
*
* @param string $prefix Archive title prefix.
*/
$prefix = apply_filters( 'get_the_archive_title_prefix', $prefix );
if ( $prefix ) {
$title = sprintf(
/* translators: 1: Title prefix. 2: Title. */
_x( '%1$s %2$s', 'archive title' ),
$prefix,
'<span>' . $title . '</span>'
);
}
/**
* Filters the archive title.
*
* @since 4.1.0
* @since 5.5.0 Added the `$prefix` and `$original_title` parameters.
*
* @param string $title Archive title to be displayed.
* @param string $original_title Archive title without prefix.
* @param string $prefix Archive title prefix.
*/
return apply_filters( 'get_the_archive_title', $title, $original_title, $prefix );
}
/**
* Displays category, tag, term, or author description.
*
* @since 4.1.0
*
* @see get_the_archive_description()
*
* @param string $before Optional. Content to prepend to the description. Default empty.
* @param string $after Optional. Content to append to the description. Default empty.
*/
function the_archive_description( $before = '', $after = '' ) {
$description = get_the_archive_description();
if ( $description ) {
echo $before . $description . $after;
}
}
/**
* Retrieves the description for an author, post type, or term archive.
*
* @since 4.1.0
* @since 4.7.0 Added support for author archives.
* @since 4.9.0 Added support for post type archives.
*
* @see term_description()
*
* @return string Archive description.
*/
function get_the_archive_description() {
if ( is_author() ) {
$description = get_the_author_meta( 'description' );
} elseif ( is_post_type_archive() ) {
$description = get_the_post_type_description();
} else {
$description = term_description();
}
/**
* Filters the archive description.
*
* @since 4.1.0
*
* @param string $description Archive description to be displayed.
*/
return apply_filters( 'get_the_archive_description', $description );
}
/**
* Retrieves the description for a post type archive.
*
* @since 4.9.0
*
* @return string The post type description.
*/
function get_the_post_type_description() {
$post_type = get_query_var( 'post_type' );
if ( is_array( $post_type ) ) {
$post_type = reset( $post_type );
}
$post_type_obj = get_post_type_object( $post_type );
// Check if a description is set.
if ( isset( $post_type_obj->description ) ) {
$description = $post_type_obj->description;
} else {
$description = '';
}
/**
* Filters the description for a post type archive.
*
* @since 4.9.0
*
* @param string $description The post type description.
* @param WP_Post_Type $post_type_obj The post type object.
*/
return apply_filters( 'get_the_post_type_description', $description, $post_type_obj );
}
/**
* Retrieves archive link content based on predefined or custom code.
*
* The format can be one of four styles. The 'link' for head element, 'option'
* for use in the select element, 'html' for use in list (either ol or ul HTML
* elements). Custom content is also supported using the before and after
* parameters.
*
* The 'link' format uses the `<link>` HTML element with the **archives**
* relationship. The before and after parameters are not used. The text
* parameter is used to describe the link.
*
* The 'option' format uses the option HTML element for use in select element.
* The value is the url parameter and the before and after parameters are used
* between the text description.
*
* The 'html' format, which is the default, uses the li HTML element for use in
* the list HTML elements. The before parameter is before the link and the after
* parameter is after the closing link.
*
* The custom format uses the before parameter before the link ('a' HTML
* element) and the after parameter after the closing link tag. If the above
* three values for the format are not used, then custom format is assumed.
*
* @since 1.0.0
* @since 5.2.0 Added the `$selected` parameter.
*
* @param string $url URL to archive.
* @param string $text Archive text description.
* @param string $format Optional. Can be 'link', 'option', 'html', or custom. Default 'html'.
* @param string $before Optional. Content to prepend to the description. Default empty.
* @param string $after Optional. Content to append to the description. Default empty.
* @param bool $selected Optional. Set to true if the current page is the selected archive page.
* @return string HTML link content for archive.
*/
function get_archives_link( $url, $text, $format = 'html', $before = '', $after = '', $selected = false ) {
$text = wptexturize( $text );
$url = esc_url( $url );
$aria_current = $selected ? ' aria-current="page"' : '';
if ( 'link' === $format ) {
$link_html = "\t<link rel='archives' title='" . esc_attr( $text ) . "' href='$url' />\n";
} elseif ( 'option' === $format ) {
$selected_attr = $selected ? " selected='selected'" : '';
$link_html = "\t<option value='$url'$selected_attr>$before $text $after</option>\n";
} elseif ( 'html' === $format ) {
$link_html = "\t<li>$before<a href='$url'$aria_current>$text</a>$after</li>\n";
} else { // Custom.
$link_html = "\t$before<a href='$url'$aria_current>$text</a>$after\n";
}
/**
* Filters the archive link content.
*
* @since 2.6.0
* @since 4.5.0 Added the `$url`, `$text`, `$format`, `$before`, and `$after` parameters.
* @since 5.2.0 Added the `$selected` parameter.
*
* @param string $link_html The archive HTML link content.
* @param string $url URL to archive.
* @param string $text Archive text description.
* @param string $format Link format. Can be 'link', 'option', 'html', or custom.
* @param string $before Content to prepend to the description.
* @param string $after Content to append to the description.
* @param bool $selected True if the current page is the selected archive.
*/
return apply_filters( 'get_archives_link', $link_html, $url, $text, $format, $before, $after, $selected );
}
/**
* Displays archive links based on type and format.
*
* @since 1.2.0
* @since 4.4.0 The `$post_type` argument was added.
* @since 5.2.0 The `$year`, `$monthnum`, `$day`, and `$w` arguments were added.
*
* @see get_archives_link()
*
* @global wpdb $wpdb WordPress database abstraction object.
* @global WP_Locale $wp_locale WordPress date and time locale object.
*
* @param string|array $args {
* Default archive links arguments. Optional.
*
* @type string $type Type of archive to retrieve. Accepts 'daily', 'weekly', 'monthly',
* 'yearly', 'postbypost', or 'alpha'. Both 'postbypost' and 'alpha'
* display the same archive link list as well as post titles instead
* of displaying dates. The difference between the two is that 'alpha'
* will order by post title and 'postbypost' will order by post date.
* Default 'monthly'.
* @type string|int $limit Number of links to limit the query to. Default empty (no limit).
* @type string $format Format each link should take using the $before and $after args.
* Accepts 'link' (`<link>` tag), 'option' (`<option>` tag), 'html'
* (`<li>` tag), or a custom format, which generates a link anchor
* with $before preceding and $after succeeding. Default 'html'.
* @type string $before Markup to prepend to the beginning of each link. Default empty.
* @type string $after Markup to append to the end of each link. Default empty.
* @type bool $show_post_count Whether to display the post count alongside the link. Default false.
* @type bool|int $echo Whether to echo or return the links list. Default 1|true to echo.
* @type string $order Whether to use ascending or descending order. Accepts 'ASC', or 'DESC'.
* Default 'DESC'.
* @type string $post_type Post type. Default 'post'.
* @type string $year Year. Default current year.
* @type string $monthnum Month number. Default current month number.
* @type string $day Day. Default current day.
* @type string $w Week. Default current week.
* }
* @return void|string Void if 'echo' argument is true, archive links if 'echo' is false.
*/
function wp_get_archives( $args = '' ) {
global $wpdb, $wp_locale;
$defaults = array(
'type' => 'monthly',
'limit' => '',
'format' => 'html',
'before' => '',
'after' => '',
'show_post_count' => false,
'echo' => 1,
'order' => 'DESC',
'post_type' => 'post',
'year' => get_query_var( 'year' ),
'monthnum' => get_query_var( 'monthnum' ),
'day' => get_query_var( 'day' ),
'w' => get_query_var( 'w' ),
);
$parsed_args = wp_parse_args( $args, $defaults );
$post_type_object = get_post_type_object( $parsed_args['post_type'] );
if ( ! is_post_type_viewable( $post_type_object ) ) {
return;
}
$parsed_args['post_type'] = $post_type_object->name;
if ( '' === $parsed_args['type'] ) {
$parsed_args['type'] = 'monthly';
}
if ( ! empty( $parsed_args['limit'] ) ) {
$parsed_args['limit'] = absint( $parsed_args['limit'] );
$parsed_args['limit'] = ' LIMIT ' . $parsed_args['limit'];
}
$order = strtoupper( $parsed_args['order'] );
if ( 'ASC' !== $order ) {
$order = 'DESC';
}
// This is what will separate dates on weekly archive links.
$archive_week_separator = '–';
$sql_where = $wpdb->prepare( "WHERE post_type = %s AND post_status = 'publish'", $parsed_args['post_type'] );
/**
* Filters the SQL WHERE clause for retrieving archives.
*
* @since 2.2.0
*
* @param string $sql_where Portion of SQL query containing the WHERE clause.
* @param array $parsed_args An array of default arguments.
*/
$where = apply_filters( 'getarchives_where', $sql_where, $parsed_args );
/**
* Filters the SQL JOIN clause for retrieving archives.
*
* @since 2.2.0
*
* @param string $sql_join Portion of SQL query containing JOIN clause.
* @param array $parsed_args An array of default arguments.
*/
$join = apply_filters( 'getarchives_join', '', $parsed_args );
$output = '';
$last_changed = wp_cache_get_last_changed( 'posts' );
$limit = $parsed_args['limit'];
if ( 'monthly' === $parsed_args['type'] ) {
$query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date $order $limit";
$key = md5( $query );
$key = "wp_get_archives:$key:$last_changed";
$results = wp_cache_get( $key, 'post-queries' );
if ( ! $results ) {
$results = $wpdb->get_results( $query );
wp_cache_set( $key, $results, 'post-queries' );
}
if ( $results ) {
$after = $parsed_args['after'];
foreach ( (array) $results as $result ) {
$url = get_month_link( $result->year, $result->month );
if ( 'post' !== $parsed_args['post_type'] ) {
$url = add_query_arg( 'post_type', $parsed_args['post_type'], $url );
}
/* translators: 1: Month name, 2: 4-digit year. */
$text = sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $result->month ), $result->year );
if ( $parsed_args['show_post_count'] ) {
$parsed_args['after'] = ' (' . $result->posts . ')' . $after;
}
$selected = is_archive() && (string) $parsed_args['year'] === $result->year && (string) $parsed_args['monthnum'] === $result->month;
$output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected );
}
}
} elseif ( 'yearly' === $parsed_args['type'] ) {
$query = "SELECT YEAR(post_date) AS `year`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date) ORDER BY post_date $order $limit";
$key = md5( $query );
$key = "wp_get_archives:$key:$last_changed";
$results = wp_cache_get( $key, 'post-queries' );
if ( ! $results ) {
$results = $wpdb->get_results( $query );
wp_cache_set( $key, $results, 'post-queries' );
}
if ( $results ) {
$after = $parsed_args['after'];
foreach ( (array) $results as $result ) {
$url = get_year_link( $result->year );
if ( 'post' !== $parsed_args['post_type'] ) {
$url = add_query_arg( 'post_type', $parsed_args['post_type'], $url );
}
$text = sprintf( '%d', $result->year );
if ( $parsed_args['show_post_count'] ) {
$parsed_args['after'] = ' (' . $result->posts . ')' . $after;
}
$selected = is_archive() && (string) $parsed_args['year'] === $result->year;
$output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected );
}
}
} elseif ( 'daily' === $parsed_args['type'] ) {
$query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, DAYOFMONTH(post_date) AS `dayofmonth`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date), DAYOFMONTH(post_date) ORDER BY post_date $order $limit";
$key = md5( $query );
$key = "wp_get_archives:$key:$last_changed";
$results = wp_cache_get( $key, 'post-queries' );
if ( ! $results ) {
$results = $wpdb->get_results( $query );
wp_cache_set( $key, $results, 'post-queries' );
}
if ( $results ) {
$after = $parsed_args['after'];
foreach ( (array) $results as $result ) {
$url = get_day_link( $result->year, $result->month, $result->dayofmonth );
if ( 'post' !== $parsed_args['post_type'] ) {
$url = add_query_arg( 'post_type', $parsed_args['post_type'], $url );
}
$date = sprintf( '%1$d-%2$02d-%3$02d 00:00:00', $result->year, $result->month, $result->dayofmonth );
$text = mysql2date( get_option( 'date_format' ), $date );
if ( $parsed_args['show_post_count'] ) {
$parsed_args['after'] = ' (' . $result->posts . ')' . $after;
}
$selected = is_archive() && (string) $parsed_args['year'] === $result->year && (string) $parsed_args['monthnum'] === $result->month && (string) $parsed_args['day'] === $result->dayofmonth;
$output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected );
}
}
} elseif ( 'weekly' === $parsed_args['type'] ) {
$week = _wp_mysql_week( '`post_date`' );
$query = "SELECT DISTINCT $week AS `week`, YEAR( `post_date` ) AS `yr`, DATE_FORMAT( `post_date`, '%Y-%m-%d' ) AS `yyyymmdd`, count( `ID` ) AS `posts` FROM `$wpdb->posts` $join $where GROUP BY $week, YEAR( `post_date` ) ORDER BY `post_date` $order $limit";
$key = md5( $query );
$key = "wp_get_archives:$key:$last_changed";
$results = wp_cache_get( $key, 'post-queries' );
if ( ! $results ) {
$results = $wpdb->get_results( $query );
wp_cache_set( $key, $results, 'post-queries' );
}
$arc_w_last = '';
if ( $results ) {
$after = $parsed_args['after'];
foreach ( (array) $results as $result ) {
if ( $result->week != $arc_w_last ) {
$arc_year = $result->yr;
$arc_w_last = $result->week;
$arc_week = get_weekstartend( $result->yyyymmdd, get_option( 'start_of_week' ) );
$arc_week_start = date_i18n( get_option( 'date_format' ), $arc_week['start'] );
$arc_week_end = date_i18n( get_option( 'date_format' ), $arc_week['end'] );
$url = add_query_arg(
array(
'm' => $arc_year,
'w' => $result->week,
),
home_url( '/' )
);
if ( 'post' !== $parsed_args['post_type'] ) {
$url = add_query_arg( 'post_type', $parsed_args['post_type'], $url );
}
$text = $arc_week_start . $archive_week_separator . $arc_week_end;
if ( $parsed_args['show_post_count'] ) {
$parsed_args['after'] = ' (' . $result->posts . ')' . $after;
}
$selected = is_archive() && (string) $parsed_args['year'] === $result->yr && (string) $parsed_args['w'] === $result->week;
$output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected );
}
}
}
} elseif ( ( 'postbypost' === $parsed_args['type'] ) || ( 'alpha' === $parsed_args['type'] ) ) {
$orderby = ( 'alpha' === $parsed_args['type'] ) ? 'post_title ASC ' : 'post_date DESC, ID DESC ';
$query = "SELECT * FROM $wpdb->posts $join $where ORDER BY $orderby $limit";
$key = md5( $query );
$key = "wp_get_archives:$key:$last_changed";
$results = wp_cache_get( $key, 'post-queries' );
if ( ! $results ) {
$results = $wpdb->get_results( $query );
wp_cache_set( $key, $results, 'post-queries' );
}
if ( $results ) {
foreach ( (array) $results as $result ) {
if ( '0000-00-00 00:00:00' !== $result->post_date ) {
$url = get_permalink( $result );
if ( $result->post_title ) {
/** This filter is documented in wp-includes/post-template.php */
$text = strip_tags( apply_filters( 'the_title', $result->post_title, $result->ID ) );
} else {
$text = $result->ID;
}
$selected = get_the_ID() === $result->ID;
$output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected );
}
}
}
}
if ( $parsed_args['echo'] ) {
echo $output;
} else {
return $output;
}
}
/**
* Gets number of days since the start of the week.
*
* @since 1.5.0
*
* @param int $num Number of day.
* @return float Days since the start of the week.
*/
function calendar_week_mod( $num ) {
$base = 7;
return ( $num - $base * floor( $num / $base ) );
}
/**
* Displays calendar with days that have posts as links.
*
* The calendar is cached, which will be retrieved, if it exists. If there are
* no posts for the month, then it will not be displayed.
*
* @since 1.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
* @global int $m
* @global int $monthnum
* @global int $year
* @global WP_Locale $wp_locale WordPress date and time locale object.
* @global array $posts
*
* @param bool $initial Optional. Whether to use initial calendar names. Default true.
* @param bool $display Optional. Whether to display the calendar output. Default true.
* @return void|string Void if `$display` argument is true, calendar HTML if `$display` is false.
*/
function get_calendar( $initial = true, $display = true ) {
global $wpdb, $m, $monthnum, $year, $wp_locale, $posts;
$key = md5( $m . $monthnum . $year );
$cache = wp_cache_get( 'get_calendar', 'calendar' );
if ( $cache && is_array( $cache ) && isset( $cache[ $key ] ) ) {
/** This filter is documented in wp-includes/general-template.php */
$output = apply_filters( 'get_calendar', $cache[ $key ] );
if ( $display ) {
echo $output;
return;
}
return $output;
}
if ( ! is_array( $cache ) ) {
$cache = array();
}
// Quick check. If we have no posts at all, abort!
if ( ! $posts ) {
$gotsome = $wpdb->get_var( "SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1" );
if ( ! $gotsome ) {
$cache[ $key ] = '';
wp_cache_set( 'get_calendar', $cache, 'calendar' );
return;
}
}
if ( isset( $_GET['w'] ) ) {
$w = (int) $_GET['w'];
}
// week_begins = 0 stands for Sunday.
$week_begins = (int) get_option( 'start_of_week' );
// Let's figure out when we are.
if ( ! empty( $monthnum ) && ! empty( $year ) ) {
$thismonth = zeroise( (int) $monthnum, 2 );
$thisyear = (int) $year;
} elseif ( ! empty( $w ) ) {
// We need to get the month from MySQL.
$thisyear = (int) substr( $m, 0, 4 );
// It seems MySQL's weeks disagree with PHP's.
$d = ( ( $w - 1 ) * 7 ) + 6;
$thismonth = $wpdb->get_var( "SELECT DATE_FORMAT((DATE_ADD('{$thisyear}0101', INTERVAL $d DAY) ), '%m')" );
} elseif ( ! empty( $m ) ) {
$thisyear = (int) substr( $m, 0, 4 );
if ( strlen( $m ) < 6 ) {
$thismonth = '01';
} else {
$thismonth = zeroise( (int) substr( $m, 4, 2 ), 2 );
}
} else {
$thisyear = current_time( 'Y' );
$thismonth = current_time( 'm' );
}
$unixmonth = mktime( 0, 0, 0, $thismonth, 1, $thisyear );
$last_day = gmdate( 't', $unixmonth );
// Get the next and previous month and year with at least one post.
$previous = $wpdb->get_row(
"SELECT MONTH(post_date) AS month, YEAR(post_date) AS year
FROM $wpdb->posts
WHERE post_date < '$thisyear-$thismonth-01'
AND post_type = 'post' AND post_status = 'publish'
ORDER BY post_date DESC
LIMIT 1"
);
$next = $wpdb->get_row(
"SELECT MONTH(post_date) AS month, YEAR(post_date) AS year
FROM $wpdb->posts
WHERE post_date > '$thisyear-$thismonth-{$last_day} 23:59:59'
AND post_type = 'post' AND post_status = 'publish'
ORDER BY post_date ASC
LIMIT 1"
);
/* translators: Calendar caption: 1: Month name, 2: 4-digit year. */
$calendar_caption = _x( '%1$s %2$s', 'calendar caption' );
$calendar_output = '<table id="wp-calendar" class="wp-calendar-table">
<caption>' . sprintf(
$calendar_caption,
$wp_locale->get_month( $thismonth ),
gmdate( 'Y', $unixmonth )
) . '</caption>
<thead>
<tr>';
$myweek = array();
for ( $wdcount = 0; $wdcount <= 6; $wdcount++ ) {
$myweek[] = $wp_locale->get_weekday( ( $wdcount + $week_begins ) % 7 );
}
foreach ( $myweek as $wd ) {
$day_name = $initial ? $wp_locale->get_weekday_initial( $wd ) : $wp_locale->get_weekday_abbrev( $wd );
$wd = esc_attr( $wd );
$calendar_output .= "\n\t\t<th scope=\"col\" title=\"$wd\">$day_name</th>";
}
$calendar_output .= '
</tr>
</thead>
<tbody>
<tr>';
$daywithpost = array();
// Get days with posts.
$dayswithposts = $wpdb->get_results(
"SELECT DISTINCT DAYOFMONTH(post_date)
FROM $wpdb->posts WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00'
AND post_type = 'post' AND post_status = 'publish'
AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59'",
ARRAY_N
);
if ( $dayswithposts ) {
foreach ( (array) $dayswithposts as $daywith ) {
$daywithpost[] = (int) $daywith[0];
}
}
// See how much we should pad in the beginning.
$pad = calendar_week_mod( gmdate( 'w', $unixmonth ) - $week_begins );
if ( 0 != $pad ) {
$calendar_output .= "\n\t\t" . '<td colspan="' . esc_attr( $pad ) . '" class="pad"> </td>';
}
$newrow = false;
$daysinmonth = (int) gmdate( 't', $unixmonth );
for ( $day = 1; $day <= $daysinmonth; ++$day ) {
if ( isset( $newrow ) && $newrow ) {
$calendar_output .= "\n\t</tr>\n\t<tr>\n\t\t";
}
$newrow = false;
if ( current_time( 'j' ) == $day &&
current_time( 'm' ) == $thismonth &&
current_time( 'Y' ) == $thisyear ) {
$calendar_output .= '<td id="today">';
} else {
$calendar_output .= '<td>';
}
if ( in_array( $day, $daywithpost, true ) ) {
// Any posts today?
$date_format = gmdate( _x( 'F j, Y', 'daily archives date format' ), strtotime( "{$thisyear}-{$thismonth}-{$day}" ) );
/* translators: Post calendar label. %s: Date. */
$label = sprintf( __( 'Posts published on %s' ), $date_format );
$calendar_output .= sprintf(
'<a href="%s" aria-label="%s">%s</a>',
get_day_link( $thisyear, $thismonth, $day ),
esc_attr( $label ),
$day
);
} else {
$calendar_output .= $day;
}
$calendar_output .= '</td>';
if ( 6 == calendar_week_mod( gmdate( 'w', mktime( 0, 0, 0, $thismonth, $day, $thisyear ) ) - $week_begins ) ) {
$newrow = true;
}
}
$pad = 7 - calendar_week_mod( gmdate( 'w', mktime( 0, 0, 0, $thismonth, $day, $thisyear ) ) - $week_begins );
if ( 0 != $pad && 7 != $pad ) {
$calendar_output .= "\n\t\t" . '<td class="pad" colspan="' . esc_attr( $pad ) . '"> </td>';
}
$calendar_output .= "\n\t</tr>\n\t</tbody>";
$calendar_output .= "\n\t</table>";
$calendar_output .= '<nav aria-label="' . __( 'Previous and next months' ) . '" class="wp-calendar-nav">';
if ( $previous ) {
$calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-prev"><a href="' . get_month_link( $previous->year, $previous->month ) . '">« ' .
$wp_locale->get_month_abbrev( $wp_locale->get_month( $previous->month ) ) .
'</a></span>';
} else {
$calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-prev"> </span>';
}
$calendar_output .= "\n\t\t" . '<span class="pad"> </span>';
if ( $next ) {
$calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-next"><a href="' . get_month_link( $next->year, $next->month ) . '">' .
$wp_locale->get_month_abbrev( $wp_locale->get_month( $next->month ) ) .
' »</a></span>';
} else {
$calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-next"> </span>';
}
$calendar_output .= '
</nav>';
$cache[ $key ] = $calendar_output;
wp_cache_set( 'get_calendar', $cache, 'calendar' );
if ( $display ) {
/**
* Filters the HTML calendar output.
*
* @since 3.0.0
*
* @param string $calendar_output HTML output of the calendar.
*/
echo apply_filters( 'get_calendar', $calendar_output );
return;
}
/** This filter is documented in wp-includes/general-template.php */
return apply_filters( 'get_calendar', $calendar_output );
}
/**
* Purges the cached results of get_calendar.
*
* @see get_calendar()
* @since 2.1.0
*/
function delete_get_calendar_cache() {
wp_cache_delete( 'get_calendar', 'calendar' );
}
/**
* Displays all of the allowed tags in HTML format with attributes.
*
* This is useful for displaying in the comment area, which elements and
* attributes are supported. As well as any plugins which want to display it.
*
* @since 1.0.1
* @since 4.4.0 No longer used in core.
*
* @global array $allowedtags
*
* @return string HTML allowed tags entity encoded.
*/
function allowed_tags() {
global $allowedtags;
$allowed = '';
foreach ( (array) $allowedtags as $tag => $attributes ) {
$allowed .= '<' . $tag;
if ( 0 < count( $attributes ) ) {
foreach ( $attributes as $attribute => $limits ) {
$allowed .= ' ' . $attribute . '=""';
}
}
$allowed .= '> ';
}
return htmlentities( $allowed );
}
/***** Date/Time tags */
/**
* Outputs the date in iso8601 format for xml files.
*
* @since 1.0.0
*/
function the_date_xml() {
echo mysql2date( 'Y-m-d', get_post()->post_date, false );
}
/**
* Displays or retrieves the date the current post was written (once per date)
*
* Will only output the date if the current post's date is different from the
* previous one output.
*
* i.e. Only one date listing will show per day worth of posts shown in the loop, even if the
* function is called several times for each post.
*
* HTML output can be filtered with 'the_date'.
* Date string output can be filtered with 'get_the_date'.
*
* @since 0.71
*
* @global string $currentday The day of the current post in the loop.
* @global string $previousday The day of the previous post in the loop.
*
* @param string $format Optional. PHP date format. Defaults to the 'date_format' option.
* @param string $before Optional. Output before the date. Default empty.
* @param string $after Optional. Output after the date. Default empty.
* @param bool $display Optional. Whether to echo the date or return it. Default true.
* @return string|void String if retrieving.
*/
function the_date( $format = '', $before = '', $after = '', $display = true ) {
global $currentday, $previousday;
$the_date = '';
if ( is_new_day() ) {
$the_date = $before . get_the_date( $format ) . $after;
$previousday = $currentday;
}
/**
* Filters the date a post was published for display.
*
* @since 0.71
*
* @param string $the_date The formatted date string.
* @param string $format PHP date format.
* @param string $before HTML output before the date.
* @param string $after HTML output after the date.
*/
$the_date = apply_filters( 'the_date', $the_date, $format, $before, $after );
if ( $display ) {
echo $the_date;
} else {
return $the_date;
}
}
/**
* Retrieves the date on which the post was written.
*
* Unlike the_date() this function will always return the date.
* Modify output with the {@see 'get_the_date'} filter.
*
* @since 3.0.0
*
* @param string $format Optional. PHP date format. Defaults to the 'date_format' option.
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post.
* @return string|int|false Date the current post was written. False on failure.
*/
function get_the_date( $format = '', $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
$_format = ! empty( $format ) ? $format : get_option( 'date_format' );
$the_date = get_post_time( $_format, false, $post, true );
/**
* Filters the date a post was published.
*
* @since 3.0.0
*
* @param string|int $the_date Formatted date string or Unix timestamp if `$format` is 'U' or 'G'.
* @param string $format PHP date format.
* @param WP_Post $post The post object.
*/
return apply_filters( 'get_the_date', $the_date, $format, $post );
}
/**
* Displays the date on which the post was last modified.
*
* @since 2.1.0
*
* @param string $format Optional. PHP date format. Defaults to the 'date_format' option.
* @param string $before Optional. Output before the date. Default empty.
* @param string $after Optional. Output after the date. Default empty.
* @param bool $display Optional. Whether to echo the date or return it. Default true.
* @return string|void String if retrieving.
*/
function the_modified_date( $format = '', $before = '', $after = '', $display = true ) {
$the_modified_date = $before . get_the_modified_date( $format ) . $after;
/**
* Filters the date a post was last modified for display.
*
* @since 2.1.0
*
* @param string|false $the_modified_date The last modified date or false if no post is found.
* @param string $format PHP date format.
* @param string $before HTML output before the date.
* @param string $after HTML output after the date.
*/
$the_modified_date = apply_filters( 'the_modified_date', $the_modified_date, $format, $before, $after );
if ( $display ) {
echo $the_modified_date;
} else {
return $the_modified_date;
}
}
/**
* Retrieves the date on which the post was last modified.
*
* @since 2.1.0
* @since 4.6.0 Added the `$post` parameter.
*
* @param string $format Optional. PHP date format. Defaults to the 'date_format' option.
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post.
* @return string|int|false Date the current post was modified. False on failure.
*/
function get_the_modified_date( $format = '', $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
// For backward compatibility, failures go through the filter below.
$the_time = false;
} else {
$_format = ! empty( $format ) ? $format : get_option( 'date_format' );
$the_time = get_post_modified_time( $_format, false, $post, true );
}
/**
* Filters the date a post was last modified.
*
* @since 2.1.0
* @since 4.6.0 Added the `$post` parameter.
*
* @param string|int|false $the_time The formatted date or false if no post is found.
* @param string $format PHP date format.
* @param WP_Post|null $post WP_Post object or null if no post is found.
*/
return apply_filters( 'get_the_modified_date', $the_time, $format, $post );
}
/**
* Displays the time at which the post was written.
*
* @since 0.71
*
* @param string $format Optional. Format to use for retrieving the time the post
* was written. Accepts 'G', 'U', or PHP date format.
* Defaults to the 'time_format' option.
*/
function the_time( $format = '' ) {
/**
* Filters the time a post was written for display.
*
* @since 0.71
*
* @param string $get_the_time The formatted time.
* @param string $format Format to use for retrieving the time the post
* was written. Accepts 'G', 'U', or PHP date format.
*/
echo apply_filters( 'the_time', get_the_time( $format ), $format );
}
/**
* Retrieves the time at which the post was written.
*
* @since 1.5.0
*
* @param string $format Optional. Format to use for retrieving the time the post
* was written. Accepts 'G', 'U', or PHP date format.
* Defaults to the 'time_format' option.
* @param int|WP_Post $post Post ID or post object. Default is global `$post` object.
* @return string|int|false Formatted date string or Unix timestamp if `$format` is 'U' or 'G'.
* False on failure.
*/
function get_the_time( $format = '', $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
$_format = ! empty( $format ) ? $format : get_option( 'time_format' );
$the_time = get_post_time( $_format, false, $post, true );
/**
* Filters the time a post was written.
*
* @since 1.5.0
*
* @param string|int $the_time Formatted date string or Unix timestamp if `$format` is 'U' or 'G'.
* @param string $format Format to use for retrieving the time the post
* was written. Accepts 'G', 'U', or PHP date format.
* @param WP_Post $post Post object.
*/
return apply_filters( 'get_the_time', $the_time, $format, $post );
}
/**
* Retrieves the time at which the post was written.
*
* @since 2.0.0
*
* @param string $format Optional. Format to use for retrieving the time the post
* was written. Accepts 'G', 'U', or PHP date format. Default 'U'.
* @param bool $gmt Optional. Whether to retrieve the GMT time. Default false.
* @param int|WP_Post $post Post ID or post object. Default is global `$post` object.
* @param bool $translate Whether to translate the time string. Default false.
* @return string|int|false Formatted date string or Unix timestamp if `$format` is 'U' or 'G'.
* False on failure.
*/
function get_post_time( $format = 'U', $gmt = false, $post = null, $translate = false ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
$source = ( $gmt ) ? 'gmt' : 'local';
$datetime = get_post_datetime( $post, 'date', $source );
if ( false === $datetime ) {
return false;
}
if ( 'U' === $format || 'G' === $format ) {
$time = $datetime->getTimestamp();
// Returns a sum of timestamp with timezone offset. Ideally should never be used.
if ( ! $gmt ) {
$time += $datetime->getOffset();
}
} elseif ( $translate ) {
$time = wp_date( $format, $datetime->getTimestamp(), $gmt ? new DateTimeZone( 'UTC' ) : null );
} else {
if ( $gmt ) {
$datetime = $datetime->setTimezone( new DateTimeZone( 'UTC' ) );
}
$time = $datetime->format( $format );
}
/**
* Filters the localized time a post was written.
*
* @since 2.6.0
*
* @param string|int $time Formatted date string or Unix timestamp if `$format` is 'U' or 'G'.
* @param string $format Format to use for retrieving the time the post was written.
* Accepts 'G', 'U', or PHP date format.
* @param bool $gmt Whether to retrieve the GMT time.
*/
return apply_filters( 'get_post_time', $time, $format, $gmt );
}
/**
* Retrieves post published or modified time as a `DateTimeImmutable` object instance.
*
* The object will be set to the timezone from WordPress settings.
*
* For legacy reasons, this function allows to choose to instantiate from local or UTC time in database.
* Normally this should make no difference to the result. However, the values might get out of sync in database,
* typically because of timezone setting changes. The parameter ensures the ability to reproduce backwards
* compatible behaviors in such cases.
*
* @since 5.3.0
*
* @param int|WP_Post $post Optional. Post ID or post object. Default is global `$post` object.
* @param string $field Optional. Published or modified time to use from database. Accepts 'date' or 'modified'.
* Default 'date'.
* @param string $source Optional. Local or UTC time to use from database. Accepts 'local' or 'gmt'.
* Default 'local'.
* @return DateTimeImmutable|false Time object on success, false on failure.
*/
function get_post_datetime( $post = null, $field = 'date', $source = 'local' ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
$wp_timezone = wp_timezone();
if ( 'gmt' === $source ) {
$time = ( 'modified' === $field ) ? $post->post_modified_gmt : $post->post_date_gmt;
$timezone = new DateTimeZone( 'UTC' );
} else {
$time = ( 'modified' === $field ) ? $post->post_modified : $post->post_date;
$timezone = $wp_timezone;
}
if ( empty( $time ) || '0000-00-00 00:00:00' === $time ) {
return false;
}
$datetime = date_create_immutable_from_format( 'Y-m-d H:i:s', $time, $timezone );
if ( false === $datetime ) {
return false;
}
return $datetime->setTimezone( $wp_timezone );
}
/**
* Retrieves post published or modified time as a Unix timestamp.
*
* Note that this function returns a true Unix timestamp, not summed with timezone offset
* like older WP functions.
*
* @since 5.3.0
*
* @param int|WP_Post $post Optional. Post ID or post object. Default is global `$post` object.
* @param string $field Optional. Published or modified time to use from database. Accepts 'date' or 'modified'.
* Default 'date'.
* @return int|false Unix timestamp on success, false on failure.
*/
function get_post_timestamp( $post = null, $field = 'date' ) {
$datetime = get_post_datetime( $post, $field );
if ( false === $datetime ) {
return false;
}
return $datetime->getTimestamp();
}
/**
* Displays the time at which the post was last modified.
*
* @since 2.0.0
*
* @param string $format Optional. Format to use for retrieving the time the post
* was modified. Accepts 'G', 'U', or PHP date format.
* Defaults to the 'time_format' option.
*/
function the_modified_time( $format = '' ) {
/**
* Filters the localized time a post was last modified, for display.
*
* @since 2.0.0
*
* @param string|false $get_the_modified_time The formatted time or false if no post is found.
* @param string $format Format to use for retrieving the time the post
* was modified. Accepts 'G', 'U', or PHP date format.
*/
echo apply_filters( 'the_modified_time', get_the_modified_time( $format ), $format );
}
/**
* Retrieves the time at which the post was last modified.
*
* @since 2.0.0
* @since 4.6.0 Added the `$post` parameter.
*
* @param string $format Optional. Format to use for retrieving the time the post
* was modified. Accepts 'G', 'U', or PHP date format.
* Defaults to the 'time_format' option.
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post.
* @return string|int|false Formatted date string or Unix timestamp. False on failure.
*/
function get_the_modified_time( $format = '', $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
// For backward compatibility, failures go through the filter below.
$the_time = false;
} else {
$_format = ! empty( $format ) ? $format : get_option( 'time_format' );
$the_time = get_post_modified_time( $_format, false, $post, true );
}
/**
* Filters the localized time a post was last modified.
*
* @since 2.0.0
* @since 4.6.0 Added the `$post` parameter.
*
* @param string|int|false $the_time The formatted time or false if no post is found.
* @param string $format Format to use for retrieving the time the post
* was modified. Accepts 'G', 'U', or PHP date format.
* @param WP_Post|null $post WP_Post object or null if no post is found.
*/
return apply_filters( 'get_the_modified_time', $the_time, $format, $post );
}
/**
* Retrieves the time at which the post was last modified.
*
* @since 2.0.0
*
* @param string $format Optional. Format to use for retrieving the time the post
* was modified. Accepts 'G', 'U', or PHP date format. Default 'U'.
* @param bool $gmt Optional. Whether to retrieve the GMT time. Default false.
* @param int|WP_Post $post Post ID or post object. Default is global `$post` object.
* @param bool $translate Whether to translate the time string. Default false.
* @return string|int|false Formatted date string or Unix timestamp if `$format` is 'U' or 'G'.
* False on failure.
*/
function get_post_modified_time( $format = 'U', $gmt = false, $post = null, $translate = false ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
$source = ( $gmt ) ? 'gmt' : 'local';
$datetime = get_post_datetime( $post, 'modified', $source );
if ( false === $datetime ) {
return false;
}
if ( 'U' === $format || 'G' === $format ) {
$time = $datetime->getTimestamp();
// Returns a sum of timestamp with timezone offset. Ideally should never be used.
if ( ! $gmt ) {
$time += $datetime->getOffset();
}
} elseif ( $translate ) {
$time = wp_date( $format, $datetime->getTimestamp(), $gmt ? new DateTimeZone( 'UTC' ) : null );
} else {
if ( $gmt ) {
$datetime = $datetime->setTimezone( new DateTimeZone( 'UTC' ) );
}
$time = $datetime->format( $format );
}
/**
* Filters the localized time a post was last modified.
*
* @since 2.8.0
*
* @param string|int $time Formatted date string or Unix timestamp if `$format` is 'U' or 'G'.
* @param string $format Format to use for retrieving the time the post was modified.
* Accepts 'G', 'U', or PHP date format. Default 'U'.
* @param bool $gmt Whether to retrieve the GMT time. Default false.
*/
return apply_filters( 'get_post_modified_time', $time, $format, $gmt );
}
/**
* Displays the weekday on which the post was written.
*
* @since 0.71
*
* @global WP_Locale $wp_locale WordPress date and time locale object.
*/
function the_weekday() {
global $wp_locale;
$post = get_post();
if ( ! $post ) {
return;
}
$the_weekday = $wp_locale->get_weekday( get_post_time( 'w', false, $post ) );
/**
* Filters the weekday on which the post was written, for display.
*
* @since 0.71
*
* @param string $the_weekday
*/
echo apply_filters( 'the_weekday', $the_weekday );
}
/**
* Displays the weekday on which the post was written.
*
* Will only output the weekday if the current post's weekday is different from
* the previous one output.
*
* @since 0.71
*
* @global WP_Locale $wp_locale WordPress date and time locale object.
* @global string $currentday The day of the current post in the loop.
* @global string $previousweekday The day of the previous post in the loop.
*
* @param string $before Optional. Output before the date. Default empty.
* @param string $after Optional. Output after the date. Default empty.
*/
function the_weekday_date( $before = '', $after = '' ) {
global $wp_locale, $currentday, $previousweekday;
$post = get_post();
if ( ! $post ) {
return;
}
$the_weekday_date = '';
if ( $currentday !== $previousweekday ) {
$the_weekday_date .= $before;
$the_weekday_date .= $wp_locale->get_weekday( get_post_time( 'w', false, $post ) );
$the_weekday_date .= $after;
$previousweekday = $currentday;
}
/**
* Filters the localized date on which the post was written, for display.
*
* @since 0.71
*
* @param string $the_weekday_date The weekday on which the post was written.
* @param string $before The HTML to output before the date.
* @param string $after The HTML to output after the date.
*/
echo apply_filters( 'the_weekday_date', $the_weekday_date, $before, $after );
}
/**
* Fires the wp_head action.
*
* See {@see 'wp_head'}.
*
* @since 1.2.0
*/
function wp_head() {
/**
* Prints scripts or data in the head tag on the front end.
*
* @since 1.5.0
*/
do_action( 'wp_head' );
}
/**
* Fires the wp_footer action.
*
* See {@see 'wp_footer'}.
*
* @since 1.5.1
*/
function wp_footer() {
/**
* Prints scripts or data before the closing body tag on the front end.
*
* @since 1.5.1
*/
do_action( 'wp_footer' );
}
/**
* Fires the wp_body_open action.
*
* See {@see 'wp_body_open'}.
*
* @since 5.2.0
*/
function wp_body_open() {
/**
* Triggered after the opening body tag.
*
* @since 5.2.0
*/
do_action( 'wp_body_open' );
}
/**
* Displays the links to the general feeds.
*
* @since 2.8.0
*
* @param array $args Optional arguments.
*/
function feed_links( $args = array() ) {
if ( ! current_theme_supports( 'automatic-feed-links' ) ) {
return;
}
$defaults = array(
/* translators: Separator between site name and feed type in feed links. */
'separator' => _x( '»', 'feed link' ),
/* translators: 1: Site title, 2: Separator (raquo). */
'feedtitle' => __( '%1$s %2$s Feed' ),
/* translators: 1: Site title, 2: Separator (raquo). */
'comstitle' => __( '%1$s %2$s Comments Feed' ),
);
$args = wp_parse_args( $args, $defaults );
/**
* Filters whether to display the posts feed link.
*
* @since 4.4.0
*
* @param bool $show Whether to display the posts feed link. Default true.
*/
if ( apply_filters( 'feed_links_show_posts_feed', true ) ) {
printf(
'<link rel="alternate" type="%s" title="%s" href="%s" />' . "\n",
feed_content_type(),
esc_attr( sprintf( $args['feedtitle'], get_bloginfo( 'name' ), $args['separator'] ) ),
esc_url( get_feed_link() )
);
}
/**
* Filters whether to display the comments feed link.
*
* @since 4.4.0
*
* @param bool $show Whether to display the comments feed link. Default true.
*/
if ( apply_filters( 'feed_links_show_comments_feed', true ) ) {
printf(
'<link rel="alternate" type="%s" title="%s" href="%s" />' . "\n",
feed_content_type(),
esc_attr( sprintf( $args['comstitle'], get_bloginfo( 'name' ), $args['separator'] ) ),
esc_url( get_feed_link( 'comments_' . get_default_feed() ) )
);
}
}
/**
* Displays the links to the extra feeds such as category feeds.
*
* @since 2.8.0
*
* @param array $args Optional arguments.
*/
function feed_links_extra( $args = array() ) {
$defaults = array(
/* translators: Separator between site name and feed type in feed links. */
'separator' => _x( '»', 'feed link' ),
/* translators: 1: Site name, 2: Separator (raquo), 3: Post title. */
'singletitle' => __( '%1$s %2$s %3$s Comments Feed' ),
/* translators: 1: Site name, 2: Separator (raquo), 3: Category name. */
'cattitle' => __( '%1$s %2$s %3$s Category Feed' ),
/* translators: 1: Site name, 2: Separator (raquo), 3: Tag name. */
'tagtitle' => __( '%1$s %2$s %3$s Tag Feed' ),
/* translators: 1: Site name, 2: Separator (raquo), 3: Term name, 4: Taxonomy singular name. */
'taxtitle' => __( '%1$s %2$s %3$s %4$s Feed' ),
/* translators: 1: Site name, 2: Separator (raquo), 3: Author name. */
'authortitle' => __( '%1$s %2$s Posts by %3$s Feed' ),
/* translators: 1: Site name, 2: Separator (raquo), 3: Search query. */
'searchtitle' => __( '%1$s %2$s Search Results for “%3$s” Feed' ),
/* translators: 1: Site name, 2: Separator (raquo), 3: Post type name. */
'posttypetitle' => __( '%1$s %2$s %3$s Feed' ),
);
$args = wp_parse_args( $args, $defaults );
if ( is_singular() ) {
$id = 0;
$post = get_post( $id );
/** This filter is documented in wp-includes/general-template.php */
$show_comments_feed = apply_filters( 'feed_links_show_comments_feed', true );
/**
* Filters whether to display the post comments feed link.
*
* This filter allows to enable or disable the feed link for a singular post
* in a way that is independent of {@see 'feed_links_show_comments_feed'}
* (which controls the global comments feed). The result of that filter
* is accepted as a parameter.
*
* @since 6.1.0
*
* @param bool $show_comments_feed Whether to display the post comments feed link. Defaults to
* the {@see 'feed_links_show_comments_feed'} filter result.
*/
$show_post_comments_feed = apply_filters( 'feed_links_extra_show_post_comments_feed', $show_comments_feed );
if ( $show_post_comments_feed && ( comments_open() || pings_open() || $post->comment_count > 0 ) ) {
$title = sprintf(
$args['singletitle'],
get_bloginfo( 'name' ),
$args['separator'],
the_title_attribute( array( 'echo' => false ) )
);
$feed_link = get_post_comments_feed_link( $post->ID );
if ( $feed_link ) {
$href = $feed_link;
}
}
} elseif ( is_post_type_archive() ) {
/**
* Filters whether to display the post type archive feed link.
*
* @since 6.1.0
*
* @param bool $show Whether to display the post type archive feed link. Default true.
*/
$show_post_type_archive_feed = apply_filters( 'feed_links_extra_show_post_type_archive_feed', true );
if ( $show_post_type_archive_feed ) {
$post_type = get_query_var( 'post_type' );
if ( is_array( $post_type ) ) {
$post_type = reset( $post_type );
}
$post_type_obj = get_post_type_object( $post_type );
$title = sprintf(
$args['posttypetitle'],
get_bloginfo( 'name' ),
$args['separator'],
$post_type_obj->labels->name
);
$href = get_post_type_archive_feed_link( $post_type_obj->name );
}
} elseif ( is_category() ) {
/**
* Filters whether to display the category feed link.
*
* @since 6.1.0
*
* @param bool $show Whether to display the category feed link. Default true.
*/
$show_category_feed = apply_filters( 'feed_links_extra_show_category_feed', true );
if ( $show_category_feed ) {
$term = get_queried_object();
if ( $term ) {
$title = sprintf(
$args['cattitle'],
get_bloginfo( 'name' ),
$args['separator'],
$term->name
);
$href = get_category_feed_link( $term->term_id );
}
}
} elseif ( is_tag() ) {
/**
* Filters whether to display the tag feed link.
*
* @since 6.1.0
*
* @param bool $show Whether to display the tag feed link. Default true.
*/
$show_tag_feed = apply_filters( 'feed_links_extra_show_tag_feed', true );
if ( $show_tag_feed ) {
$term = get_queried_object();
if ( $term ) {
$title = sprintf(
$args['tagtitle'],
get_bloginfo( 'name' ),
$args['separator'],
$term->name
);
$href = get_tag_feed_link( $term->term_id );
}
}
} elseif ( is_tax() ) {
/**
* Filters whether to display the custom taxonomy feed link.
*
* @since 6.1.0
*
* @param bool $show Whether to display the custom taxonomy feed link. Default true.
*/
$show_tax_feed = apply_filters( 'feed_links_extra_show_tax_feed', true );
if ( $show_tax_feed ) {
$term = get_queried_object();
if ( $term ) {
$tax = get_taxonomy( $term->taxonomy );
$title = sprintf(
$args['taxtitle'],
get_bloginfo( 'name' ),
$args['separator'],
$term->name,
$tax->labels->singular_name
);
$href = get_term_feed_link( $term->term_id, $term->taxonomy );
}
}
} elseif ( is_author() ) {
/**
* Filters whether to display the author feed link.
*
* @since 6.1.0
*
* @param bool $show Whether to display the author feed link. Default true.
*/
$show_author_feed = apply_filters( 'feed_links_extra_show_author_feed', true );
if ( $show_author_feed ) {
$author_id = (int) get_query_var( 'author' );
$title = sprintf(
$args['authortitle'],
get_bloginfo( 'name' ),
$args['separator'],
get_the_author_meta( 'display_name', $author_id )
);
$href = get_author_feed_link( $author_id );
}
} elseif ( is_search() ) {
/**
* Filters whether to display the search results feed link.
*
* @since 6.1.0
*
* @param bool $show Whether to display the search results feed link. Default true.
*/
$show_search_feed = apply_filters( 'feed_links_extra_show_search_feed', true );
if ( $show_search_feed ) {
$title = sprintf(
$args['searchtitle'],
get_bloginfo( 'name' ),
$args['separator'],
get_search_query( false )
);
$href = get_search_feed_link();
}
}
if ( isset( $title ) && isset( $href ) ) {
printf(
'<link rel="alternate" type="%s" title="%s" href="%s" />' . "\n",
feed_content_type(),
esc_attr( $title ),
esc_url( $href )
);
}
}
/**
* Displays the link to the Really Simple Discovery service endpoint.
*
* @link http://archipelago.phrasewise.com/rsd
* @since 2.0.0
*/
function rsd_link() {
printf(
'<link rel="EditURI" type="application/rsd+xml" title="RSD" href="%s" />' . "\n",
esc_url( site_url( 'xmlrpc.php?rsd', 'rpc' ) )
);
}
/**
* Displays a referrer `strict-origin-when-cross-origin` meta tag.
*
* Outputs a referrer `strict-origin-when-cross-origin` meta tag that tells the browser not to send
* the full URL as a referrer to other sites when cross-origin assets are loaded.
*
* Typical usage is as a {@see 'wp_head'} callback:
*
* add_action( 'wp_head', 'wp_strict_cross_origin_referrer' );
*
* @since 5.7.0
*/
function wp_strict_cross_origin_referrer() {
?>
<meta name='referrer' content='strict-origin-when-cross-origin' />
<?php
}
/**
* Displays site icon meta tags.
*
* @since 4.3.0
*
* @link https://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#rel-icon HTML5 specification link icon.
*/
function wp_site_icon() {
if ( ! has_site_icon() && ! is_customize_preview() ) {
return;
}
$meta_tags = array();
$icon_32 = get_site_icon_url( 32 );
if ( empty( $icon_32 ) && is_customize_preview() ) {
$icon_32 = '/favicon.ico'; // Serve default favicon URL in customizer so element can be updated for preview.
}
if ( $icon_32 ) {
$meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="32x32" />', esc_url( $icon_32 ) );
}
$icon_192 = get_site_icon_url( 192 );
if ( $icon_192 ) {
$meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="192x192" />', esc_url( $icon_192 ) );
}
$icon_180 = get_site_icon_url( 180 );
if ( $icon_180 ) {
$meta_tags[] = sprintf( '<link rel="apple-touch-icon" href="%s" />', esc_url( $icon_180 ) );
}
$icon_270 = get_site_icon_url( 270 );
if ( $icon_270 ) {
$meta_tags[] = sprintf( '<meta name="msapplication-TileImage" content="%s" />', esc_url( $icon_270 ) );
}
/**
* Filters the site icon meta tags, so plugins can add their own.
*
* @since 4.3.0
*
* @param string[] $meta_tags Array of Site Icon meta tags.
*/
$meta_tags = apply_filters( 'site_icon_meta_tags', $meta_tags );
$meta_tags = array_filter( $meta_tags );
foreach ( $meta_tags as $meta_tag ) {
echo "$meta_tag\n";
}
}
/**
* Prints resource hints to browsers for pre-fetching, pre-rendering
* and pre-connecting to websites.
*
* Gives hints to browsers to prefetch specific pages or render them
* in the background, to perform DNS lookups or to begin the connection
* handshake (DNS, TCP, TLS) in the background.
*
* These performance improving indicators work by using `<link rel"…">`.
*
* @since 4.6.0
*/
function wp_resource_hints() {
$hints = array(
'dns-prefetch' => wp_dependencies_unique_hosts(),
'preconnect' => array(),
'prefetch' => array(),
'prerender' => array(),
);
foreach ( $hints as $relation_type => $urls ) {
$unique_urls = array();
/**
* Filters domains and URLs for resource hints of the given relation type.
*
* @since 4.6.0
* @since 4.7.0 The `$urls` parameter accepts arrays of specific HTML attributes
* as its child elements.
*
* @param array $urls {
* Array of resources and their attributes, or URLs to print for resource hints.
*
* @type array|string ...$0 {
* Array of resource attributes, or a URL string.
*
* @type string $href URL to include in resource hints. Required.
* @type string $as How the browser should treat the resource
* (`script`, `style`, `image`, `document`, etc).
* @type string $crossorigin Indicates the CORS policy of the specified resource.
* @type float $pr Expected probability that the resource hint will be used.
* @type string $type Type of the resource (`text/html`, `text/css`, etc).
* }
* }
* @param string $relation_type The relation type the URLs are printed for. One of
* 'dns-prefetch', 'preconnect', 'prefetch', or 'prerender'.
*/
$urls = apply_filters( 'wp_resource_hints', $urls, $relation_type );
foreach ( $urls as $key => $url ) {
$atts = array();
if ( is_array( $url ) ) {
if ( isset( $url['href'] ) ) {
$atts = $url;
$url = $url['href'];
} else {
continue;
}
}
$url = esc_url( $url, array( 'http', 'https' ) );
if ( ! $url ) {
continue;
}
if ( isset( $unique_urls[ $url ] ) ) {
continue;
}
if ( in_array( $relation_type, array( 'preconnect', 'dns-prefetch' ), true ) ) {
$parsed = wp_parse_url( $url );
if ( empty( $parsed['host'] ) ) {
continue;
}
if ( 'preconnect' === $relation_type && ! empty( $parsed['scheme'] ) ) {
$url = $parsed['scheme'] . '://' . $parsed['host'];
} else {
// Use protocol-relative URLs for dns-prefetch or if scheme is missing.
$url = '//' . $parsed['host'];
}
}
$atts['rel'] = $relation_type;
$atts['href'] = $url;
$unique_urls[ $url ] = $atts;
}
foreach ( $unique_urls as $atts ) {
$html = '';
foreach ( $atts as $attr => $value ) {
if ( ! is_scalar( $value )
|| ( ! in_array( $attr, array( 'as', 'crossorigin', 'href', 'pr', 'rel', 'type' ), true ) && ! is_numeric( $attr ) )
) {
continue;
}
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
if ( ! is_string( $attr ) ) {
$html .= " $value";
} else {
$html .= " $attr='$value'";
}
}
$html = trim( $html );
echo "<link $html />\n";
}
}
}
/**
* Prints resource preloads directives to browsers.
*
* Gives directive to browsers to preload specific resources that website will
* need very soon, this ensures that they are available earlier and are less
* likely to block the page's render. Preload directives should not be used for
* non-render-blocking elements, as then they would compete with the
* render-blocking ones, slowing down the render.
*
* These performance improving indicators work by using `<link rel="preload">`.
*
* @link https://developer.mozilla.org/en-US/docs/Web/HTML/Link_types/preload
* @link https://web.dev/preload-responsive-images/
*
* @since 6.1.0
*/
function wp_preload_resources() {
/**
* Filters domains and URLs for resource preloads.
*
* @since 6.1.0
*
* @param array $preload_resources {
* Array of resources and their attributes, or URLs to print for resource preloads.
*
* @type array ...$0 {
* Array of resource attributes.
*
* @type string $href URL to include in resource preloads. Required.
* @type string $as How the browser should treat the resource
* (`script`, `style`, `image`, `document`, etc).
* @type string $crossorigin Indicates the CORS policy of the specified resource.
* @type string $type Type of the resource (`text/html`, `text/css`, etc).
* @type string $media Accepts media types or media queries. Allows responsive preloading.
* @type string $imagesizes Responsive source size to the source Set.
* @type string $imagesrcset Responsive image sources to the source set.
* }
* }
*/
$preload_resources = apply_filters( 'wp_preload_resources', array() );
if ( ! is_array( $preload_resources ) ) {
return;
}
$unique_resources = array();
// Parse the complete resource list and extract unique resources.
foreach ( $preload_resources as $resource ) {
if ( ! is_array( $resource ) ) {
continue;
}
$attributes = $resource;
if ( isset( $resource['href'] ) ) {
$href = $resource['href'];
if ( isset( $unique_resources[ $href ] ) ) {
continue;
}
$unique_resources[ $href ] = $attributes;
// Media can use imagesrcset and not href.
} elseif ( ( 'image' === $resource['as'] ) &&
( isset( $resource['imagesrcset'] ) || isset( $resource['imagesizes'] ) )
) {
if ( isset( $unique_resources[ $resource['imagesrcset'] ] ) ) {
continue;
}
$unique_resources[ $resource['imagesrcset'] ] = $attributes;
} else {
continue;
}
}
// Build and output the HTML for each unique resource.
foreach ( $unique_resources as $unique_resource ) {
$html = '';
foreach ( $unique_resource as $resource_key => $resource_value ) {
if ( ! is_scalar( $resource_value ) ) {
continue;
}
// Ignore non-supported attributes.
$non_supported_attributes = array( 'as', 'crossorigin', 'href', 'imagesrcset', 'imagesizes', 'type', 'media' );
if ( ! in_array( $resource_key, $non_supported_attributes, true ) && ! is_numeric( $resource_key ) ) {
continue;
}
// imagesrcset only usable when preloading image, ignore otherwise.
if ( ( 'imagesrcset' === $resource_key ) && ( ! isset( $unique_resource['as'] ) || ( 'image' !== $unique_resource['as'] ) ) ) {
continue;
}
// imagesizes only usable when preloading image and imagesrcset present, ignore otherwise.
if ( ( 'imagesizes' === $resource_key ) &&
( ! isset( $unique_resource['as'] ) || ( 'image' !== $unique_resource['as'] ) || ! isset( $unique_resource['imagesrcset'] ) )
) {
continue;
}
$resource_value = ( 'href' === $resource_key ) ? esc_url( $resource_value, array( 'http', 'https' ) ) : esc_attr( $resource_value );
if ( ! is_string( $resource_key ) ) {
$html .= " $resource_value";
} else {
$html .= " $resource_key='$resource_value'";
}
}
$html = trim( $html );
printf( "<link rel='preload' %s />\n", $html );
}
}
/**
* Retrieves a list of unique hosts of all enqueued scripts and styles.
*
* @since 4.6.0
*
* @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
* @global WP_Styles $wp_styles The WP_Styles object for printing styles.
*
* @return string[] A list of unique hosts of enqueued scripts and styles.
*/
function wp_dependencies_unique_hosts() {
global $wp_scripts, $wp_styles;
$unique_hosts = array();
foreach ( array( $wp_scripts, $wp_styles ) as $dependencies ) {
if ( $dependencies instanceof WP_Dependencies && ! empty( $dependencies->queue ) ) {
foreach ( $dependencies->queue as $handle ) {
if ( ! isset( $dependencies->registered[ $handle ] ) ) {
continue;
}
/* @var _WP_Dependency $dependency */
$dependency = $dependencies->registered[ $handle ];
$parsed = wp_parse_url( $dependency->src );
if ( ! empty( $parsed['host'] )
&& ! in_array( $parsed['host'], $unique_hosts, true ) && $parsed['host'] !== $_SERVER['SERVER_NAME']
) {
$unique_hosts[] = $parsed['host'];
}
}
}
}
return $unique_hosts;
}
/**
* Determines whether the user can access the visual editor.
*
* Checks if the user can access the visual editor and that it's supported by the user's browser.
*
* @since 2.0.0
*
* @global bool $wp_rich_edit Whether the user can access the visual editor.
* @global bool $is_gecko Whether the browser is Gecko-based.
* @global bool $is_opera Whether the browser is Opera.
* @global bool $is_safari Whether the browser is Safari.
* @global bool $is_chrome Whether the browser is Chrome.
* @global bool $is_IE Whether the browser is Internet Explorer.
* @global bool $is_edge Whether the browser is Microsoft Edge.
*
* @return bool True if the user can access the visual editor, false otherwise.
*/
function user_can_richedit() {
global $wp_rich_edit, $is_gecko, $is_opera, $is_safari, $is_chrome, $is_IE, $is_edge;
if ( ! isset( $wp_rich_edit ) ) {
$wp_rich_edit = false;
if ( 'true' === get_user_option( 'rich_editing' ) || ! is_user_logged_in() ) { // Default to 'true' for logged out users.
if ( $is_safari ) {
$wp_rich_edit = ! wp_is_mobile() || ( preg_match( '!AppleWebKit/(\d+)!', $_SERVER['HTTP_USER_AGENT'], $match ) && (int) $match[1] >= 534 );
} elseif ( $is_IE ) {
$wp_rich_edit = str_contains( $_SERVER['HTTP_USER_AGENT'], 'Trident/7.0;' );
} elseif ( $is_gecko || $is_chrome || $is_edge || ( $is_opera && ! wp_is_mobile() ) ) {
$wp_rich_edit = true;
}
}
}
/**
* Filters whether the user can access the visual editor.
*
* @since 2.1.0
*
* @param bool $wp_rich_edit Whether the user can access the visual editor.
*/
return apply_filters( 'user_can_richedit', $wp_rich_edit );
}
/**
* Finds out which editor should be displayed by default.
*
* Works out which of the editors to display as the current editor for a
* user. The 'html' setting is for the "Text" editor tab.
*
* @since 2.5.0
*
* @return string Either 'tinymce', 'html', or 'test'
*/
function wp_default_editor() {
$r = user_can_richedit() ? 'tinymce' : 'html'; // Defaults.
if ( wp_get_current_user() ) { // Look for cookie.
$ed = get_user_setting( 'editor', 'tinymce' );
$r = ( in_array( $ed, array( 'tinymce', 'html', 'test' ), true ) ) ? $ed : $r;
}
/**
* Filters which editor should be displayed by default.
*
* @since 2.5.0
*
* @param string $r Which editor should be displayed by default. Either 'tinymce', 'html', or 'test'.
*/
return apply_filters( 'wp_default_editor', $r );
}
/**
* Renders an editor.
*
* Using this function is the proper way to output all needed components for both TinyMCE and Quicktags.
* _WP_Editors should not be used directly. See https://core.trac.wordpress.org/ticket/17144.
*
* NOTE: Once initialized the TinyMCE editor cannot be safely moved in the DOM. For that reason
* running wp_editor() inside of a meta box is not a good idea unless only Quicktags is used.
* On the post edit screen several actions can be used to include additional editors
* containing TinyMCE: 'edit_page_form', 'edit_form_advanced' and 'dbx_post_sidebar'.
* See https://core.trac.wordpress.org/ticket/19173 for more information.
*
* @see _WP_Editors::editor()
* @see _WP_Editors::parse_settings()
* @since 3.3.0
*
* @param string $content Initial content for the editor.
* @param string $editor_id HTML ID attribute value for the textarea and TinyMCE.
* Should not contain square brackets.
* @param array $settings See _WP_Editors::parse_settings() for description.
*/
function wp_editor( $content, $editor_id, $settings = array() ) {
if ( ! class_exists( '_WP_Editors', false ) ) {
require ABSPATH . WPINC . '/class-wp-editor.php';
}
_WP_Editors::editor( $content, $editor_id, $settings );
}
/**
* Outputs the editor scripts, stylesheets, and default settings.
*
* The editor can be initialized when needed after page load.
* See wp.editor.initialize() in wp-admin/js/editor.js for initialization options.
*
* @uses _WP_Editors
* @since 4.8.0
*/
function wp_enqueue_editor() {
if ( ! class_exists( '_WP_Editors', false ) ) {
require ABSPATH . WPINC . '/class-wp-editor.php';
}
_WP_Editors::enqueue_default_editor();
}
/**
* Enqueues assets needed by the code editor for the given settings.
*
* @since 4.9.0
*
* @see wp_enqueue_editor()
* @see wp_get_code_editor_settings();
* @see _WP_Editors::parse_settings()
*
* @param array $args {
* Args.
*
* @type string $type The MIME type of the file to be edited.
* @type string $file Filename to be edited. Extension is used to sniff the type. Can be supplied as alternative to `$type` param.
* @type WP_Theme $theme Theme being edited when on the theme file editor.
* @type string $plugin Plugin being edited when on the plugin file editor.
* @type array $codemirror Additional CodeMirror setting overrides.
* @type array $csslint CSSLint rule overrides.
* @type array $jshint JSHint rule overrides.
* @type array $htmlhint HTMLHint rule overrides.
* }
* @return array|false Settings for the enqueued code editor, or false if the editor was not enqueued.
*/
function wp_enqueue_code_editor( $args ) {
if ( is_user_logged_in() && 'false' === wp_get_current_user()->syntax_highlighting ) {
return false;
}
$settings = wp_get_code_editor_settings( $args );
if ( empty( $settings ) || empty( $settings['codemirror'] ) ) {
return false;
}
wp_enqueue_script( 'code-editor' );
wp_enqueue_style( 'code-editor' );
if ( isset( $settings['codemirror']['mode'] ) ) {
$mode = $settings['codemirror']['mode'];
if ( is_string( $mode ) ) {
$mode = array(
'name' => $mode,
);
}
if ( ! empty( $settings['codemirror']['lint'] ) ) {
switch ( $mode['name'] ) {
case 'css':
case 'text/css':
case 'text/x-scss':
case 'text/x-less':
wp_enqueue_script( 'csslint' );
break;
case 'htmlmixed':
case 'text/html':
case 'php':
case 'application/x-httpd-php':
case 'text/x-php':
wp_enqueue_script( 'htmlhint' );
wp_enqueue_script( 'csslint' );
wp_enqueue_script( 'jshint' );
if ( ! current_user_can( 'unfiltered_html' ) ) {
wp_enqueue_script( 'htmlhint-kses' );
}
break;
case 'javascript':
case 'application/ecmascript':
case 'application/json':
case 'application/javascript':
case 'application/ld+json':
case 'text/typescript':
case 'application/typescript':
wp_enqueue_script( 'jshint' );
wp_enqueue_script( 'jsonlint' );
break;
}
}
}
wp_add_inline_script( 'code-editor', sprintf( 'jQuery.extend( wp.codeEditor.defaultSettings, %s );', wp_json_encode( $settings ) ) );
/**
* Fires when scripts and styles are enqueued for the code editor.
*
* @since 4.9.0
*
* @param array $settings Settings for the enqueued code editor.
*/
do_action( 'wp_enqueue_code_editor', $settings );
return $settings;
}
/**
* Generates and returns code editor settings.
*
* @since 5.0.0
*
* @see wp_enqueue_code_editor()
*
* @param array $args {
* Args.
*
* @type string $type The MIME type of the file to be edited.
* @type string $file Filename to be edited. Extension is used to sniff the type. Can be supplied as alternative to `$type` param.
* @type WP_Theme $theme Theme being edited when on the theme file editor.
* @type string $plugin Plugin being edited when on the plugin file editor.
* @type array $codemirror Additional CodeMirror setting overrides.
* @type array $csslint CSSLint rule overrides.
* @type array $jshint JSHint rule overrides.
* @type array $htmlhint HTMLHint rule overrides.
* }
* @return array|false Settings for the code editor.
*/
function wp_get_code_editor_settings( $args ) {
$settings = array(
'codemirror' => array(
'indentUnit' => 4,
'indentWithTabs' => true,
'inputStyle' => 'contenteditable',
'lineNumbers' => true,
'lineWrapping' => true,
'styleActiveLine' => true,
'continueComments' => true,
'extraKeys' => array(
'Ctrl-Space' => 'autocomplete',
'Ctrl-/' => 'toggleComment',
'Cmd-/' => 'toggleComment',
'Alt-F' => 'findPersistent',
'Ctrl-F' => 'findPersistent',
'Cmd-F' => 'findPersistent',
),
'direction' => 'ltr', // Code is shown in LTR even in RTL languages.
'gutters' => array(),
),
'csslint' => array(
'errors' => true, // Parsing errors.
'box-model' => true,
'display-property-grouping' => true,
'duplicate-properties' => true,
'known-properties' => true,
'outline-none' => true,
),
'jshint' => array(
// The following are copied from <https://github.com/WordPress/wordpress-develop/blob/4.8.1/.jshintrc>.
'boss' => true,
'curly' => true,
'eqeqeq' => true,
'eqnull' => true,
'es3' => true,
'expr' => true,
'immed' => true,
'noarg' => true,
'nonbsp' => true,
'onevar' => true,
'quotmark' => 'single',
'trailing' => true,
'undef' => true,
'unused' => true,
'browser' => true,
'globals' => array(
'_' => false,
'Backbone' => false,
'jQuery' => false,
'JSON' => false,
'wp' => false,
),
),
'htmlhint' => array(
'tagname-lowercase' => true,
'attr-lowercase' => true,
'attr-value-double-quotes' => false,
'doctype-first' => false,
'tag-pair' => true,
'spec-char-escape' => true,
'id-unique' => true,
'src-not-empty' => true,
'attr-no-duplication' => true,
'alt-require' => true,
'space-tab-mixed-disabled' => 'tab',
'attr-unsafe-chars' => true,
),
);
$type = '';
if ( isset( $args['type'] ) ) {
$type = $args['type'];
// Remap MIME types to ones that CodeMirror modes will recognize.
if ( 'application/x-patch' === $type || 'text/x-patch' === $type ) {
$type = 'text/x-diff';
}
} elseif ( isset( $args['file'] ) && str_contains( basename( $args['file'] ), '.' ) ) {
$extension = strtolower( pathinfo( $args['file'], PATHINFO_EXTENSION ) );
foreach ( wp_get_mime_types() as $exts => $mime ) {
if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) {
$type = $mime;
break;
}
}
// Supply any types that are not matched by wp_get_mime_types().
if ( empty( $type ) ) {
switch ( $extension ) {
case 'conf':
$type = 'text/nginx';
break;
case 'css':
$type = 'text/css';
break;
case 'diff':
case 'patch':
$type = 'text/x-diff';
break;
case 'html':
case 'htm':
$type = 'text/html';
break;
case 'http':
$type = 'message/http';
break;
case 'js':
$type = 'text/javascript';
break;
case 'json':
$type = 'application/json';
break;
case 'jsx':
$type = 'text/jsx';
break;
case 'less':
$type = 'text/x-less';
break;
case 'md':
$type = 'text/x-gfm';
break;
case 'php':
case 'phtml':
case 'php3':
case 'php4':
case 'php5':
case 'php7':
case 'phps':
$type = 'application/x-httpd-php';
break;
case 'scss':
$type = 'text/x-scss';
break;
case 'sass':
$type = 'text/x-sass';
break;
case 'sh':
case 'bash':
$type = 'text/x-sh';
break;
case 'sql':
$type = 'text/x-sql';
break;
case 'svg':
$type = 'application/svg+xml';
break;
case 'xml':
$type = 'text/xml';
break;
case 'yml':
case 'yaml':
$type = 'text/x-yaml';
break;
case 'txt':
default:
$type = 'text/plain';
break;
}
}
}
if ( in_array( $type, array( 'text/css', 'text/x-scss', 'text/x-less', 'text/x-sass' ), true ) ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => $type,
'lint' => false,
'autoCloseBrackets' => true,
'matchBrackets' => true,
)
);
} elseif ( 'text/x-diff' === $type ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'diff',
)
);
} elseif ( 'text/html' === $type ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'htmlmixed',
'lint' => true,
'autoCloseBrackets' => true,
'autoCloseTags' => true,
'matchTags' => array(
'bothTags' => true,
),
)
);
if ( ! current_user_can( 'unfiltered_html' ) ) {
$settings['htmlhint']['kses'] = wp_kses_allowed_html( 'post' );
}
} elseif ( 'text/x-gfm' === $type ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'gfm',
'highlightFormatting' => true,
)
);
} elseif ( 'application/javascript' === $type || 'text/javascript' === $type ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'javascript',
'lint' => true,
'autoCloseBrackets' => true,
'matchBrackets' => true,
)
);
} elseif ( str_contains( $type, 'json' ) ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => array(
'name' => 'javascript',
),
'lint' => true,
'autoCloseBrackets' => true,
'matchBrackets' => true,
)
);
if ( 'application/ld+json' === $type ) {
$settings['codemirror']['mode']['jsonld'] = true;
} else {
$settings['codemirror']['mode']['json'] = true;
}
} elseif ( str_contains( $type, 'jsx' ) ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'jsx',
'autoCloseBrackets' => true,
'matchBrackets' => true,
)
);
} elseif ( 'text/x-markdown' === $type ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'markdown',
'highlightFormatting' => true,
)
);
} elseif ( 'text/nginx' === $type ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'nginx',
)
);
} elseif ( 'application/x-httpd-php' === $type ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'php',
'autoCloseBrackets' => true,
'autoCloseTags' => true,
'matchBrackets' => true,
'matchTags' => array(
'bothTags' => true,
),
)
);
} elseif ( 'text/x-sql' === $type || 'text/x-mysql' === $type ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'sql',
'autoCloseBrackets' => true,
'matchBrackets' => true,
)
);
} elseif ( str_contains( $type, 'xml' ) ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'xml',
'autoCloseBrackets' => true,
'autoCloseTags' => true,
'matchTags' => array(
'bothTags' => true,
),
)
);
} elseif ( 'text/x-yaml' === $type ) {
$settings['codemirror'] = array_merge(
$settings['codemirror'],
array(
'mode' => 'yaml',
)
);
} else {
$settings['codemirror']['mode'] = $type;
}
if ( ! empty( $settings['codemirror']['lint'] ) ) {
$settings['codemirror']['gutters'][] = 'CodeMirror-lint-markers';
}
// Let settings supplied via args override any defaults.
foreach ( wp_array_slice_assoc( $args, array( 'codemirror', 'csslint', 'jshint', 'htmlhint' ) ) as $key => $value ) {
$settings[ $key ] = array_merge(
$settings[ $key ],
$value
);
}
/**
* Filters settings that are passed into the code editor.
*
* Returning a falsey value will disable the syntax-highlighting code editor.
*
* @since 4.9.0
*
* @param array $settings The array of settings passed to the code editor.
* A falsey value disables the editor.
* @param array $args {
* Args passed when calling `get_code_editor_settings()`.
*
* @type string $type The MIME type of the file to be edited.
* @type string $file Filename being edited.
* @type WP_Theme $theme Theme being edited when on the theme file editor.
* @type string $plugin Plugin being edited when on the plugin file editor.
* @type array $codemirror Additional CodeMirror setting overrides.
* @type array $csslint CSSLint rule overrides.
* @type array $jshint JSHint rule overrides.
* @type array $htmlhint HTMLHint rule overrides.
* }
*/
return apply_filters( 'wp_code_editor_settings', $settings, $args );
}
/**
* Retrieves the contents of the search WordPress query variable.
*
* The search query string is passed through esc_attr() to ensure that it is safe
* for placing in an HTML attribute.
*
* @since 2.3.0
*
* @param bool $escaped Whether the result is escaped. Default true.
* Only use when you are later escaping it. Do not use unescaped.
* @return string
*/
function get_search_query( $escaped = true ) {
/**
* Filters the contents of the search query variable.
*
* @since 2.3.0
*
* @param mixed $search Contents of the search query variable.
*/
$query = apply_filters( 'get_search_query', get_query_var( 's' ) );
if ( $escaped ) {
$query = esc_attr( $query );
}
return $query;
}
/**
* Displays the contents of the search query variable.
*
* The search query string is passed through esc_attr() to ensure that it is safe
* for placing in an HTML attribute.
*
* @since 2.1.0
*/
function the_search_query() {
/**
* Filters the contents of the search query variable for display.
*
* @since 2.3.0
*
* @param mixed $search Contents of the search query variable.
*/
echo esc_attr( apply_filters( 'the_search_query', get_search_query( false ) ) );
}
/**
* Gets the language attributes for the 'html' tag.
*
* Builds up a set of HTML attributes containing the text direction and language
* information for the page.
*
* @since 4.3.0
*
* @param string $doctype Optional. The type of HTML document. Accepts 'xhtml' or 'html'. Default 'html'.
* @return string A space-separated list of language attributes.
*/
function get_language_attributes( $doctype = 'html' ) {
$attributes = array();
if ( function_exists( 'is_rtl' ) && is_rtl() ) {
$attributes[] = 'dir="rtl"';
}
$lang = get_bloginfo( 'language' );
if ( $lang ) {
if ( 'text/html' === get_option( 'html_type' ) || 'html' === $doctype ) {
$attributes[] = 'lang="' . esc_attr( $lang ) . '"';
}
if ( 'text/html' !== get_option( 'html_type' ) || 'xhtml' === $doctype ) {
$attributes[] = 'xml:lang="' . esc_attr( $lang ) . '"';
}
}
$output = implode( ' ', $attributes );
/**
* Filters the language attributes for display in the 'html' tag.
*
* @since 2.5.0
* @since 4.3.0 Added the `$doctype` parameter.
*
* @param string $output A space-separated list of language attributes.
* @param string $doctype The type of HTML document (xhtml|html).
*/
return apply_filters( 'language_attributes', $output, $doctype );
}
/**
* Displays the language attributes for the 'html' tag.
*
* Builds up a set of HTML attributes containing the text direction and language
* information for the page.
*
* @since 2.1.0
* @since 4.3.0 Converted into a wrapper for get_language_attributes().
*
* @param string $doctype Optional. The type of HTML document. Accepts 'xhtml' or 'html'. Default 'html'.
*/
function language_attributes( $doctype = 'html' ) {
echo get_language_attributes( $doctype );
}
/**
* Retrieves paginated links for archive post pages.
*
* Technically, the function can be used to create paginated link list for any
* area. The 'base' argument is used to reference the url, which will be used to
* create the paginated links. The 'format' argument is then used for replacing
* the page number. It is however, most likely and by default, to be used on the
* archive post pages.
*
* The 'type' argument controls format of the returned value. The default is
* 'plain', which is just a string with the links separated by a newline
* character. The other possible values are either 'array' or 'list'. The
* 'array' value will return an array of the paginated link list to offer full
* control of display. The 'list' value will place all of the paginated links in
* an unordered HTML list.
*
* The 'total' argument is the total amount of pages and is an integer. The
* 'current' argument is the current page number and is also an integer.
*
* An example of the 'base' argument is "http://example.com/all_posts.php%_%"
* and the '%_%' is required. The '%_%' will be replaced by the contents of in
* the 'format' argument. An example for the 'format' argument is "?page=%#%"
* and the '%#%' is also required. The '%#%' will be replaced with the page
* number.
*
* You can include the previous and next links in the list by setting the
* 'prev_next' argument to true, which it is by default. You can set the
* previous text, by using the 'prev_text' argument. You can set the next text
* by setting the 'next_text' argument.
*
* If the 'show_all' argument is set to true, then it will show all of the pages
* instead of a short list of the pages near the current page. By default, the
* 'show_all' is set to false and controlled by the 'end_size' and 'mid_size'
* arguments. The 'end_size' argument is how many numbers on either the start
* and the end list edges, by default is 1. The 'mid_size' argument is how many
* numbers to either side of current page, but not including current page.
*
* It is possible to add query vars to the link by using the 'add_args' argument
* and see add_query_arg() for more information.
*
* The 'before_page_number' and 'after_page_number' arguments allow users to
* augment the links themselves. Typically this might be to add context to the
* numbered links so that screen reader users understand what the links are for.
* The text strings are added before and after the page number - within the
* anchor tag.
*
* @since 2.1.0
* @since 4.9.0 Added the `aria_current` argument.
*
* @global WP_Query $wp_query WordPress Query object.
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
*
* @param string|array $args {
* Optional. Array or string of arguments for generating paginated links for archives.
*
* @type string $base Base of the paginated url. Default empty.
* @type string $format Format for the pagination structure. Default empty.
* @type int $total The total amount of pages. Default is the value WP_Query's
* `max_num_pages` or 1.
* @type int $current The current page number. Default is 'paged' query var or 1.
* @type string $aria_current The value for the aria-current attribute. Possible values are 'page',
* 'step', 'location', 'date', 'time', 'true', 'false'. Default is 'page'.
* @type bool $show_all Whether to show all pages. Default false.
* @type int $end_size How many numbers on either the start and the end list edges.
* Default 1.
* @type int $mid_size How many numbers to either side of the current pages. Default 2.
* @type bool $prev_next Whether to include the previous and next links in the list. Default true.
* @type string $prev_text The previous page text. Default '« Previous'.
* @type string $next_text The next page text. Default 'Next »'.
* @type string $type Controls format of the returned value. Possible values are 'plain',
* 'array' and 'list'. Default is 'plain'.
* @type array $add_args An array of query args to add. Default false.
* @type string $add_fragment A string to append to each link. Default empty.
* @type string $before_page_number A string to appear before the page number. Default empty.
* @type string $after_page_number A string to append after the page number. Default empty.
* }
* @return string|string[]|void String of page links or array of page links, depending on 'type' argument.
* Void if total number of pages is less than 2.
*/
function paginate_links( $args = '' ) {
global $wp_query, $wp_rewrite;
// Setting up default values based on the current URL.
$pagenum_link = html_entity_decode( get_pagenum_link() );
$url_parts = explode( '?', $pagenum_link );
// Get max pages and current page out of the current query, if available.
$total = isset( $wp_query->max_num_pages ) ? $wp_query->max_num_pages : 1;
$current = get_query_var( 'paged' ) ? (int) get_query_var( 'paged' ) : 1;
// Append the format placeholder to the base URL.
$pagenum_link = trailingslashit( $url_parts[0] ) . '%_%';
// URL base depends on permalink settings.
$format = $wp_rewrite->using_index_permalinks() && ! strpos( $pagenum_link, 'index.php' ) ? 'index.php/' : '';
$format .= $wp_rewrite->using_permalinks() ? user_trailingslashit( $wp_rewrite->pagination_base . '/%#%', 'paged' ) : '?paged=%#%';
$defaults = array(
'base' => $pagenum_link, // http://example.com/all_posts.php%_% : %_% is replaced by format (below).
'format' => $format, // ?page=%#% : %#% is replaced by the page number.
'total' => $total,
'current' => $current,
'aria_current' => 'page',
'show_all' => false,
'prev_next' => true,
'prev_text' => __( '« Previous' ),
'next_text' => __( 'Next »' ),
'end_size' => 1,
'mid_size' => 2,
'type' => 'plain',
'add_args' => array(), // Array of query args to add.
'add_fragment' => '',
'before_page_number' => '',
'after_page_number' => '',
);
$args = wp_parse_args( $args, $defaults );
if ( ! is_array( $args['add_args'] ) ) {
$args['add_args'] = array();
}
// Merge additional query vars found in the original URL into 'add_args' array.
if ( isset( $url_parts[1] ) ) {
// Find the format argument.
$format = explode( '?', str_replace( '%_%', $args['format'], $args['base'] ) );
$format_query = isset( $format[1] ) ? $format[1] : '';
wp_parse_str( $format_query, $format_args );
// Find the query args of the requested URL.
wp_parse_str( $url_parts[1], $url_query_args );
// Remove the format argument from the array of query arguments, to avoid overwriting custom format.
foreach ( $format_args as $format_arg => $format_arg_value ) {
unset( $url_query_args[ $format_arg ] );
}
$args['add_args'] = array_merge( $args['add_args'], urlencode_deep( $url_query_args ) );
}
// Who knows what else people pass in $args.
$total = (int) $args['total'];
if ( $total < 2 ) {
return;
}
$current = (int) $args['current'];
$end_size = (int) $args['end_size']; // Out of bounds? Make it the default.
if ( $end_size < 1 ) {
$end_size = 1;
}
$mid_size = (int) $args['mid_size'];
if ( $mid_size < 0 ) {
$mid_size = 2;
}
$add_args = $args['add_args'];
$r = '';
$page_links = array();
$dots = false;
if ( $args['prev_next'] && $current && 1 < $current ) :
$link = str_replace( '%_%', 2 == $current ? '' : $args['format'], $args['base'] );
$link = str_replace( '%#%', $current - 1, $link );
if ( $add_args ) {
$link = add_query_arg( $add_args, $link );
}
$link .= $args['add_fragment'];
$page_links[] = sprintf(
'<a class="prev page-numbers" href="%s">%s</a>',
/**
* Filters the paginated links for the given archive pages.
*
* @since 3.0.0
*
* @param string $link The paginated link URL.
*/
esc_url( apply_filters( 'paginate_links', $link ) ),
$args['prev_text']
);
endif;
for ( $n = 1; $n <= $total; $n++ ) :
if ( $n == $current ) :
$page_links[] = sprintf(
'<span aria-current="%s" class="page-numbers current">%s</span>',
esc_attr( $args['aria_current'] ),
$args['before_page_number'] . number_format_i18n( $n ) . $args['after_page_number']
);
$dots = true;
else :
if ( $args['show_all'] || ( $n <= $end_size || ( $current && $n >= $current - $mid_size && $n <= $current + $mid_size ) || $n > $total - $end_size ) ) :
$link = str_replace( '%_%', 1 == $n ? '' : $args['format'], $args['base'] );
$link = str_replace( '%#%', $n, $link );
if ( $add_args ) {
$link = add_query_arg( $add_args, $link );
}
$link .= $args['add_fragment'];
$page_links[] = sprintf(
'<a class="page-numbers" href="%s">%s</a>',
/** This filter is documented in wp-includes/general-template.php */
esc_url( apply_filters( 'paginate_links', $link ) ),
$args['before_page_number'] . number_format_i18n( $n ) . $args['after_page_number']
);
$dots = true;
elseif ( $dots && ! $args['show_all'] ) :
$page_links[] = '<span class="page-numbers dots">' . __( '…' ) . '</span>';
$dots = false;
endif;
endif;
endfor;
if ( $args['prev_next'] && $current && $current < $total ) :
$link = str_replace( '%_%', $args['format'], $args['base'] );
$link = str_replace( '%#%', $current + 1, $link );
if ( $add_args ) {
$link = add_query_arg( $add_args, $link );
}
$link .= $args['add_fragment'];
$page_links[] = sprintf(
'<a class="next page-numbers" href="%s">%s</a>',
/** This filter is documented in wp-includes/general-template.php */
esc_url( apply_filters( 'paginate_links', $link ) ),
$args['next_text']
);
endif;
switch ( $args['type'] ) {
case 'array':
return $page_links;
case 'list':
$r .= "<ul class='page-numbers'>\n\t<li>";
$r .= implode( "</li>\n\t<li>", $page_links );
$r .= "</li>\n</ul>\n";
break;
default:
$r = implode( "\n", $page_links );
break;
}
/**
* Filters the HTML output of paginated links for archives.
*
* @since 5.7.0
*
* @param string $r HTML output.
* @param array $args An array of arguments. See paginate_links()
* for information on accepted arguments.
*/
$r = apply_filters( 'paginate_links_output', $r, $args );
return $r;
}
/**
* Registers an admin color scheme css file.
*
* Allows a plugin to register a new admin color scheme. For example:
*
* wp_admin_css_color( 'classic', __( 'Classic' ), admin_url( "css/colors-classic.css" ), array(
* '#07273E', '#14568A', '#D54E21', '#2683AE'
* ) );
*
* @since 2.5.0
*
* @global array $_wp_admin_css_colors
*
* @param string $key The unique key for this theme.
* @param string $name The name of the theme.
* @param string $url The URL of the CSS file containing the color scheme.
* @param array $colors Optional. An array of CSS color definition strings which are used
* to give the user a feel for the theme.
* @param array $icons {
* Optional. CSS color definitions used to color any SVG icons.
*
* @type string $base SVG icon base color.
* @type string $focus SVG icon color on focus.
* @type string $current SVG icon color of current admin menu link.
* }
*/
function wp_admin_css_color( $key, $name, $url, $colors = array(), $icons = array() ) {
global $_wp_admin_css_colors;
if ( ! isset( $_wp_admin_css_colors ) ) {
$_wp_admin_css_colors = array();
}
$_wp_admin_css_colors[ $key ] = (object) array(
'name' => $name,
'url' => $url,
'colors' => $colors,
'icon_colors' => $icons,
);
}
/**
* Registers the default admin color schemes.
*
* Registers the initial set of eight color schemes in the Profile section
* of the dashboard which allows for styling the admin menu and toolbar.
*
* @see wp_admin_css_color()
*
* @since 3.0.0
*/
function register_admin_color_schemes() {
$suffix = is_rtl() ? '-rtl' : '';
$suffix .= SCRIPT_DEBUG ? '' : '.min';
wp_admin_css_color(
'fresh',
_x( 'Default', 'admin color scheme' ),
false,
array( '#1d2327', '#2c3338', '#2271b1', '#72aee6' ),
array(
'base' => '#a7aaad',
'focus' => '#72aee6',
'current' => '#fff',
)
);
wp_admin_css_color(
'light',
_x( 'Light', 'admin color scheme' ),
admin_url( "css/colors/light/colors$suffix.css" ),
array( '#e5e5e5', '#999', '#d64e07', '#04a4cc' ),
array(
'base' => '#999',
'focus' => '#ccc',
'current' => '#ccc',
)
);
wp_admin_css_color(
'modern',
_x( 'Modern', 'admin color scheme' ),
admin_url( "css/colors/modern/colors$suffix.css" ),
array( '#1e1e1e', '#3858e9', '#33f078' ),
array(
'base' => '#f3f1f1',
'focus' => '#fff',
'current' => '#fff',
)
);
wp_admin_css_color(
'blue',
_x( 'Blue', 'admin color scheme' ),
admin_url( "css/colors/blue/colors$suffix.css" ),
array( '#096484', '#4796b3', '#52accc', '#74B6CE' ),
array(
'base' => '#e5f8ff',
'focus' => '#fff',
'current' => '#fff',
)
);
wp_admin_css_color(
'midnight',
_x( 'Midnight', 'admin color scheme' ),
admin_url( "css/colors/midnight/colors$suffix.css" ),
array( '#25282b', '#363b3f', '#69a8bb', '#e14d43' ),
array(
'base' => '#f1f2f3',
'focus' => '#fff',
'current' => '#fff',
)
);
wp_admin_css_color(
'sunrise',
_x( 'Sunrise', 'admin color scheme' ),
admin_url( "css/colors/sunrise/colors$suffix.css" ),
array( '#b43c38', '#cf4944', '#dd823b', '#ccaf0b' ),
array(
'base' => '#f3f1f1',
'focus' => '#fff',
'current' => '#fff',
)
);
wp_admin_css_color(
'ectoplasm',
_x( 'Ectoplasm', 'admin color scheme' ),
admin_url( "css/colors/ectoplasm/colors$suffix.css" ),
array( '#413256', '#523f6d', '#a3b745', '#d46f15' ),
array(
'base' => '#ece6f6',
'focus' => '#fff',
'current' => '#fff',
)
);
wp_admin_css_color(
'ocean',
_x( 'Ocean', 'admin color scheme' ),
admin_url( "css/colors/ocean/colors$suffix.css" ),
array( '#627c83', '#738e96', '#9ebaa0', '#aa9d88' ),
array(
'base' => '#f2fcff',
'focus' => '#fff',
'current' => '#fff',
)
);
wp_admin_css_color(
'coffee',
_x( 'Coffee', 'admin color scheme' ),
admin_url( "css/colors/coffee/colors$suffix.css" ),
array( '#46403c', '#59524c', '#c7a589', '#9ea476' ),
array(
'base' => '#f3f2f1',
'focus' => '#fff',
'current' => '#fff',
)
);
}
/**
* Displays the URL of a WordPress admin CSS file.
*
* @see WP_Styles::_css_href() and its {@see 'style_loader_src'} filter.
*
* @since 2.3.0
*
* @param string $file file relative to wp-admin/ without its ".css" extension.
* @return string
*/
function wp_admin_css_uri( $file = 'wp-admin' ) {
if ( defined( 'WP_INSTALLING' ) ) {
$_file = "./$file.css";
} else {
$_file = admin_url( "$file.css" );
}
$_file = add_query_arg( 'version', get_bloginfo( 'version' ), $_file );
/**
* Filters the URI of a WordPress admin CSS file.
*
* @since 2.3.0
*
* @param string $_file Relative path to the file with query arguments attached.
* @param string $file Relative path to the file, minus its ".css" extension.
*/
return apply_filters( 'wp_admin_css_uri', $_file, $file );
}
/**
* Enqueues or directly prints a stylesheet link to the specified CSS file.
*
* "Intelligently" decides to enqueue or to print the CSS file. If the
* {@see 'wp_print_styles'} action has *not* yet been called, the CSS file will be
* enqueued. If the {@see 'wp_print_styles'} action has been called, the CSS link will
* be printed. Printing may be forced by passing true as the $force_echo
* (second) parameter.
*
* For backward compatibility with WordPress 2.3 calling method: If the $file
* (first) parameter does not correspond to a registered CSS file, we assume
* $file is a file relative to wp-admin/ without its ".css" extension. A
* stylesheet link to that generated URL is printed.
*
* @since 2.3.0
*
* @param string $file Optional. Style handle name or file name (without ".css" extension) relative
* to wp-admin/. Defaults to 'wp-admin'.
* @param bool $force_echo Optional. Force the stylesheet link to be printed rather than enqueued.
*/
function wp_admin_css( $file = 'wp-admin', $force_echo = false ) {
// For backward compatibility.
$handle = str_starts_with( $file, 'css/' ) ? substr( $file, 4 ) : $file;
if ( wp_styles()->query( $handle ) ) {
if ( $force_echo || did_action( 'wp_print_styles' ) ) {
// We already printed the style queue. Print this one immediately.
wp_print_styles( $handle );
} else {
// Add to style queue.
wp_enqueue_style( $handle );
}
return;
}
$stylesheet_link = sprintf(
"<link rel='stylesheet' href='%s' type='text/css' />\n",
esc_url( wp_admin_css_uri( $file ) )
);
/**
* Filters the stylesheet link to the specified CSS file.
*
* If the site is set to display right-to-left, the RTL stylesheet link
* will be used instead.
*
* @since 2.3.0
* @param string $stylesheet_link HTML link element for the stylesheet.
* @param string $file Style handle name or filename (without ".css" extension)
* relative to wp-admin/. Defaults to 'wp-admin'.
*/
echo apply_filters( 'wp_admin_css', $stylesheet_link, $file );
if ( function_exists( 'is_rtl' ) && is_rtl() ) {
$rtl_stylesheet_link = sprintf(
"<link rel='stylesheet' href='%s' type='text/css' />\n",
esc_url( wp_admin_css_uri( "$file-rtl" ) )
);
/** This filter is documented in wp-includes/general-template.php */
echo apply_filters( 'wp_admin_css', $rtl_stylesheet_link, "$file-rtl" );
}
}
/**
* Enqueues the default ThickBox js and css.
*
* If any of the settings need to be changed, this can be done with another js
* file similar to media-upload.js. That file should
* require array('thickbox') to ensure it is loaded after.
*
* @since 2.5.0
*/
function add_thickbox() {
wp_enqueue_script( 'thickbox' );
wp_enqueue_style( 'thickbox' );
if ( is_network_admin() ) {
add_action( 'admin_head', '_thickbox_path_admin_subfolder' );
}
}
/**
* Displays the XHTML generator that is generated on the wp_head hook.
*
* See {@see 'wp_head'}.
*
* @since 2.5.0
*/
function wp_generator() {
/**
* Filters the output of the XHTML generator tag.
*
* @since 2.5.0
*
* @param string $generator_type The XHTML generator.
*/
the_generator( apply_filters( 'wp_generator_type', 'xhtml' ) );
}
/**
* Displays the generator XML or Comment for RSS, ATOM, etc.
*
* Returns the correct generator type for the requested output format. Allows
* for a plugin to filter generators overall the {@see 'the_generator'} filter.
*
* @since 2.5.0
*
* @param string $type The type of generator to output - (html|xhtml|atom|rss2|rdf|comment|export).
*/
function the_generator( $type ) {
/**
* Filters the output of the XHTML generator tag for display.
*
* @since 2.5.0
*
* @param string $generator_type The generator output.
* @param string $type The type of generator to output. Accepts 'html',
* 'xhtml', 'atom', 'rss2', 'rdf', 'comment', 'export'.
*/
echo apply_filters( 'the_generator', get_the_generator( $type ), $type ) . "\n";
}
/**
* Creates the generator XML or Comment for RSS, ATOM, etc.
*
* Returns the correct generator type for the requested output format. Allows
* for a plugin to filter generators on an individual basis using the
* {@see 'get_the_generator_$type'} filter.
*
* @since 2.5.0
*
* @param string $type The type of generator to return - (html|xhtml|atom|rss2|rdf|comment|export).
* @return string|void The HTML content for the generator.
*/
function get_the_generator( $type = '' ) {
if ( empty( $type ) ) {
$current_filter = current_filter();
if ( empty( $current_filter ) ) {
return;
}
switch ( $current_filter ) {
case 'rss2_head':
case 'commentsrss2_head':
$type = 'rss2';
break;
case 'rss_head':
case 'opml_head':
$type = 'comment';
break;
case 'rdf_header':
$type = 'rdf';
break;
case 'atom_head':
case 'comments_atom_head':
case 'app_head':
$type = 'atom';
break;
}
}
switch ( $type ) {
case 'html':
$gen = '<meta name="generator" content="WordPress ' . esc_attr( get_bloginfo( 'version' ) ) . '">';
break;
case 'xhtml':
$gen = '<meta name="generator" content="WordPress ' . esc_attr( get_bloginfo( 'version' ) ) . '" />';
break;
case 'atom':
$gen = '<generator uri="https://wordpress.org/" version="' . esc_attr( get_bloginfo_rss( 'version' ) ) . '">WordPress</generator>';
break;
case 'rss2':
$gen = '<generator>' . sanitize_url( 'https://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) ) . '</generator>';
break;
case 'rdf':
$gen = '<admin:generatorAgent rdf:resource="' . sanitize_url( 'https://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) ) . '" />';
break;
case 'comment':
$gen = '<!-- generator="WordPress/' . esc_attr( get_bloginfo( 'version' ) ) . '" -->';
break;
case 'export':
$gen = '<!-- generator="WordPress/' . esc_attr( get_bloginfo_rss( 'version' ) ) . '" created="' . gmdate( 'Y-m-d H:i' ) . '" -->';
break;
}
/**
* Filters the HTML for the retrieved generator type.
*
* The dynamic portion of the hook name, `$type`, refers to the generator type.
*
* Possible hook names include:
*
* - `get_the_generator_atom`
* - `get_the_generator_comment`
* - `get_the_generator_export`
* - `get_the_generator_html`
* - `get_the_generator_rdf`
* - `get_the_generator_rss2`
* - `get_the_generator_xhtml`
*
* @since 2.5.0
*
* @param string $gen The HTML markup output to wp_head().
* @param string $type The type of generator. Accepts 'html', 'xhtml', 'atom',
* 'rss2', 'rdf', 'comment', 'export'.
*/
return apply_filters( "get_the_generator_{$type}", $gen, $type );
}
/**
* Outputs the HTML checked attribute.
*
* Compares the first two arguments and if identical marks as checked.
*
* @since 1.0.0
*
* @param mixed $checked One of the values to compare.
* @param mixed $current Optional. The other value to compare if not just true.
* Default true.
* @param bool $display Optional. Whether to echo or just return the string.
* Default true.
* @return string HTML attribute or empty string.
*/
function checked( $checked, $current = true, $display = true ) {
return __checked_selected_helper( $checked, $current, $display, 'checked' );
}
/**
* Outputs the HTML selected attribute.
*
* Compares the first two arguments and if identical marks as selected.
*
* @since 1.0.0
*
* @param mixed $selected One of the values to compare.
* @param mixed $current Optional. The other value to compare if not just true.
* Default true.
* @param bool $display Optional. Whether to echo or just return the string.
* Default true.
* @return string HTML attribute or empty string.
*/
function selected( $selected, $current = true, $display = true ) {
return __checked_selected_helper( $selected, $current, $display, 'selected' );
}
/**
* Outputs the HTML disabled attribute.
*
* Compares the first two arguments and if identical marks as disabled.
*
* @since 3.0.0
*
* @param mixed $disabled One of the values to compare.
* @param mixed $current Optional. The other value to compare if not just true.
* Default true.
* @param bool $display Optional. Whether to echo or just return the string.
* Default true.
* @return string HTML attribute or empty string.
*/
function disabled( $disabled, $current = true, $display = true ) {
return __checked_selected_helper( $disabled, $current, $display, 'disabled' );
}
/**
* Outputs the HTML readonly attribute.
*
* Compares the first two arguments and if identical marks as readonly.
*
* @since 5.9.0
*
* @param mixed $readonly_value One of the values to compare.
* @param mixed $current Optional. The other value to compare if not just true.
* Default true.
* @param bool $display Optional. Whether to echo or just return the string.
* Default true.
* @return string HTML attribute or empty string.
*/
function wp_readonly( $readonly_value, $current = true, $display = true ) {
return __checked_selected_helper( $readonly_value, $current, $display, 'readonly' );
}
/*
* Include a compat `readonly()` function on PHP < 8.1. Since PHP 8.1,
* `readonly` is a reserved keyword and cannot be used as a function name.
* In order to avoid PHP parser errors, this function was extracted
* to a separate file and is only included conditionally on PHP < 8.1.
*/
if ( PHP_VERSION_ID < 80100 ) {
require_once __DIR__ . '/php-compat/readonly.php';
}
/**
* Private helper function for checked, selected, disabled and readonly.
*
* Compares the first two arguments and if identical marks as `$type`.
*
* @since 2.8.0
* @access private
*
* @param mixed $helper One of the values to compare.
* @param mixed $current The other value to compare if not just true.
* @param bool $display Whether to echo or just return the string.
* @param string $type The type of checked|selected|disabled|readonly we are doing.
* @return string HTML attribute or empty string.
*/
function __checked_selected_helper( $helper, $current, $display, $type ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
if ( (string) $helper === (string) $current ) {
$result = " $type='$type'";
} else {
$result = '';
}
if ( $display ) {
echo $result;
}
return $result;
}
/**
* Assigns a visual indicator for required form fields.
*
* @since 6.1.0
*
* @return string Indicator glyph wrapped in a `span` tag.
*/
function wp_required_field_indicator() {
/* translators: Character to identify required form fields. */
$glyph = __( '*' );
$indicator = '<span class="required">' . esc_html( $glyph ) . '</span>';
/**
* Filters the markup for a visual indicator of required form fields.
*
* @since 6.1.0
*
* @param string $indicator Markup for the indicator element.
*/
return apply_filters( 'wp_required_field_indicator', $indicator );
}
/**
* Creates a message to explain required form fields.
*
* @since 6.1.0
*
* @return string Message text and glyph wrapped in a `span` tag.
*/
function wp_required_field_message() {
$message = sprintf(
'<span class="required-field-message">%s</span>',
/* translators: %s: Asterisk symbol (*). */
sprintf( __( 'Required fields are marked %s' ), wp_required_field_indicator() )
);
/**
* Filters the message to explain required form fields.
*
* @since 6.1.0
*
* @param string $message Message text and glyph wrapped in a `span` tag.
*/
return apply_filters( 'wp_required_field_message', $message );
}
/**
* Default settings for heartbeat.
*
* Outputs the nonce used in the heartbeat XHR.
*
* @since 3.6.0
*
* @param array $settings
* @return array Heartbeat settings.
*/
function wp_heartbeat_settings( $settings ) {
if ( ! is_admin() ) {
$settings['ajaxurl'] = admin_url( 'admin-ajax.php', 'relative' );
}
if ( is_user_logged_in() ) {
$settings['nonce'] = wp_create_nonce( 'heartbeat-nonce' );
}
return $settings;
}