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<?php
/**
* Genesis Framework.
*
* WARNING: This file is part of the core Genesis Framework. DO NOT edit this file under any circumstances.
* Please do all modifications in the form of a child theme.
*
* @package StudioPress\Genesis
* @author StudioPress
* @license GPL-2.0-or-later
* @link https://my.studiopress.com/themes/genesis/
*/
/**
* Enable the author box for ALL users.
*
* @since 1.4.1
*
* @param array $args Optional. Arguments for enabling author box. Default is empty array.
*/
function genesis_enable_author_box( $args = array() ) {
$args = wp_parse_args(
$args,
array(
'type' => 'single',
)
);
if ( 'single' === $args['type'] ) {
add_filter( 'get_the_author_genesis_author_box_single', '__return_true' );
} elseif ( 'archive' === $args['type'] ) {
add_filter( 'get_the_author_genesis_author_box_archive', '__return_true' );
}
}
/**
* Redirect the user to an admin page, and add query args to the URL string for alerts, etc.
*
* @since 1.6.0
*
* @param string $page Menu slug.
* @param array $query_args Optional. Associative array of query string arguments (key => value). Default is an empty array.
* @return void Return early if first argument, `$page`, is falsy.
*/
function genesis_admin_redirect( $page, array $query_args = array() ) {
if ( ! $page ) {
return;
}
$url = html_entity_decode( menu_page_url( $page, 0 ) );
foreach ( (array) $query_args as $key => $value ) {
if ( empty( $key ) && empty( $value ) ) {
unset( $query_args[ $key ] );
}
}
$url = add_query_arg( $query_args, $url );
wp_safe_redirect( esc_url_raw( $url ) );
}
add_action( 'template_redirect', 'genesis_custom_field_redirect', 20 );
/**
* Redirect singular page to an alternate URL.
*
* @since 2.0.0
*
* @return void Return early if not a singular entry.
*/
function genesis_custom_field_redirect() {
if ( ! is_singular() ) {
return;
}
$url = genesis_get_custom_field( 'redirect' );
if ( $url ) {
wp_redirect( esc_url_raw( $url ), 301 ); // phpcs:ignore WordPress.Security.SafeRedirect.wp_redirect_wp_redirect -- Can't whitelist what we don't know.
exit;
}
}
/**
* Return a specific value from the array passed as the second argument to `add_theme_support()`.
*
* Supports associative and index array of theme support arguments.
*
* @since 1.9.0
*
* @param string $feature The theme feature.
* @param string $arg The theme feature argument.
* @param string $default Optional. Fallback if value is blank or doesn't exist.
* Default is empty string.
* @return mixed Return value if associative array, true if indexed array, or
* `$default` if theme does not support `$feature` or `$arg` does not exist.
*/
function genesis_get_theme_support_arg( $feature, $arg, $default = '' ) {
$support = get_theme_support( $feature );
if ( ! $arg && $support ) {
return true;
}
if ( ! $support || ! isset( $support[0] ) ) {
return $default;
}
if ( array_key_exists( $arg, (array) $support[0] ) ) {
return $support[0][ $arg ];
}
if ( in_array( $arg, (array) $support[0] ) ) {
return true;
}
return $default;
}
/**
* Locate and require a config file.
*
* First, search child theme for the config. If config file doesn't exist in the child,
* search the parent for the config file.
*
* @since 2.8.0
*
* @param string $config The config file to look for (not including .php file extension).
* @return array The config data.
*/
function genesis_get_config( $config ) {
$parent_file = sprintf( '%s/config/%s.php', get_template_directory(), $config );
$child_file = sprintf( '%s/config/%s.php', get_stylesheet_directory(), $config );
$data = array();
if ( is_readable( $child_file ) ) {
$data = require $child_file;
}
if ( empty( $data ) && is_readable( $parent_file ) ) {
$data = require $parent_file;
}
return (array) $data;
}
/**
* Detect active plugin by constant, class or function existence.
*
* @since 1.6.0
*
* @param array $plugins Array of array for constants, classes and / or functions to check for plugin existence.
* @return bool True if plugin exists or false if plugin constant, class or function not detected.
*/
function genesis_detect_plugin( array $plugins ) {
// Check for classes.
if ( isset( $plugins['classes'] ) ) {
foreach ( $plugins['classes'] as $name ) {
if ( class_exists( $name ) ) {
return true;
}
}
}
// Check for functions.
if ( isset( $plugins['functions'] ) ) {
foreach ( $plugins['functions'] as $name ) {
if ( function_exists( $name ) ) {
return true;
}
}
}
// Check for constants.
if ( isset( $plugins['constants'] ) ) {
foreach ( $plugins['constants'] as $name ) {
if ( defined( $name ) ) {
return true;
}
}
}
// No class, function or constant found to exist.
return false;
}
/**
* Check that we're targeting a specific Genesis admin page.
*
* The `$pagehook` argument is expected to be one of 'genesis', 'seo-settings' or 'genesis-import-export' although
* others can be accepted.
*
* @since 1.8.0
*
* @global string $page_hook Page hook for current page.
*
* @param string $pagehook Page hook string to check.
* @return bool Return `true` if the global `$page_hook` matches given `$pagehook`, `false` otherwise.
*/
function genesis_is_menu_page( $pagehook = '' ) {
global $page_hook;
if ( isset( $page_hook ) && $page_hook === $pagehook ) {
return true;
}
// May be too early for $page_hook.
if ( isset( $_REQUEST['page'] ) && $_REQUEST['page'] === $pagehook ) { // phpcs:ignore WordPress.Security.NonceVerification.NoNonceVerification -- Checking request inside wp-admin, no further processing.
return true;
}
return false;
}
/**
* Check whether we are currently viewing the site via the WordPress Customizer.
*
* @since 2.0.0
*
* @global WP_Customize_Manager $wp_customize Customizer instance.
*
* @return bool Return true if viewing page via Customizer, false otherwise.
*/
function genesis_is_customizer() {
global $wp_customize;
return is_a( $wp_customize, 'WP_Customize_Manager' ) && $wp_customize->is_preview();
}
/**
* Determine if the Blog template is being used.
*
* `is_page_template()` is not available within the loop or any loop that
* modifies $wp_query because it changes all the conditionals therein.
* Since the conditionals change, is_page() no longer returns true, thus
* is_page_template() will always return false.
*
* @since 2.1.0
*
* @link http://codex.wordpress.org/Function_Reference/is_page_template#Cannot_Be_Used_Inside_The_Loop
*
* @return bool True if Blog template is being used, false otherwise.
*/
function genesis_is_blog_template() {
global $wp_the_query;
return 'page_blog.php' === get_post_meta( $wp_the_query->get_queried_object_id(), '_wp_page_template', true );
}
/**
* Get the `post_type` from the global `$post` if supplied value is empty.
*
* @since 2.0.0
*
* @param string $post_type_name Post type name.
* @return string Post type name of global `$post`.
*/
function genesis_get_global_post_type_name( $post_type_name = '' ) {
if ( ! $post_type_name ) {
$post_type_name = get_post_type();
if ( false === get_post_type() ) {
$post_type_name = get_query_var( 'post_type' );
}
}
return $post_type_name;
}
/**
* Get list of custom post type objects which need an archive settings page.
*
* Archive settings pages are added for CPTs that:
*
* - are public,
* - are set to show the UI,
* - are set to show in the admin menu,
* - have an archive enabled,
* - not one of the built-in types,
* - support "genesis-cpt-archives-settings".
*
* This last item means that if you're using an archive template and don't want Genesis interfering with it with these
* archive settings, then don't add the support. This support check is handled in
* {@link genesis_has_post_type_archive_support()}.
*
* Applies the `genesis_cpt_archives_args` filter, to change the conditions for which post types are deemed valid.
*
* The results are held in a static variable, since they won't change over the course of a request.
*
* @since 2.0.0
*
* @return array A list of post type names or objects.
*/
function genesis_get_cpt_archive_types() {
static $genesis_cpt_archive_types;
if ( $genesis_cpt_archive_types ) {
return $genesis_cpt_archive_types;
}
$args = apply_filters(
'genesis_cpt_archives_args',
array(
'public' => true,
'show_ui' => true,
'show_in_menu' => true,
'has_archive' => true,
'_builtin' => false,
)
);
$genesis_cpt_archive_types = get_post_types( $args, 'objects' );
return $genesis_cpt_archive_types;
}
/**
* Get list of custom post type names which need an archive settings page.
*
* @since 2.0.0
*
* @return array Custom post type names.
*/
function genesis_get_cpt_archive_types_names() {
$post_type_names = array();
foreach ( genesis_get_cpt_archive_types() as $post_type ) {
$post_type_names[] = $post_type->name;
}
return $post_type_names;
}
/**
* Check if a post type supports an archive setting page.
*
* @since 2.0.0
*
* @param string $post_type_name Post type name.
* @return bool `true` if custom post type name has `genesis-cpt-archives-settings` support, `false` otherwise.
*/
function genesis_has_post_type_archive_support( $post_type_name = '' ) {
$post_type_name = genesis_get_global_post_type_name( $post_type_name );
return in_array( $post_type_name, genesis_get_cpt_archive_types_names() ) &&
post_type_supports( $post_type_name, 'genesis-cpt-archives-settings' );
}
/**
* Determine if HTML5 is activated by the child theme.
*
* @since 2.0.0
*
* @return bool `true` if current theme supports `html5`, `false` otherwise.
*/
function genesis_html5() {
return current_theme_supports( 'html5' );
}
/**
* Determine if theme support genesis-accessibility is activated by the child theme.
* Assumes the presence of a screen-reader-text class in the stylesheet (required generated class as from WordPress 4.2)
*
* Adds screen-reader-text by default.
* Skip links to primary navigation, main content, sidebars and footer, semantic headings and a keyboard accessible dropdown menu
* can be added as extra features as: 'skip-links', 'headings', 'drop-down-menu'
*
* @since 2.2.0
*
* @param string $arg Optional. Specific accessibility feature to check for support. Default is screen-reader-text.
* @return bool `true` if current theme supports `genesis-accessibility`, or a specific feature of it, `false` otherwise.
*/
function genesis_a11y( $arg = 'screen-reader-text' ) {
// No a11y if not html5.
if ( ! genesis_html5() ) {
return false;
}
$feature = 'genesis-accessibility';
if ( 'screen-reader-text' === $arg ) {
return current_theme_supports( $feature );
}
$support = get_theme_support( $feature );
// No support for feature.
if ( ! $support ) {
return false;
}
// No args passed in to add_theme_support(), so accept none.
if ( ! isset( $support[0] ) ) {
return false;
}
// Support for specific arg found.
if ( in_array( $arg, $support[0] ) ) {
return true;
}
return false;
}
/**
* Display a HTML sitemap.
*
* Used in `page_archive.php` and `404.php`.
*
* @see genesis_get_sitemap()
*
* @since 2.2.0
*
* @param string $heading Optional. Heading element. Default is `h2`.
*/
function genesis_sitemap( $heading = 'h2' ) {
echo wp_kses_post( genesis_get_sitemap( $heading ) );
}
/**
* Get markup for a HTML sitemap.
*
* Can be filtered with `genesis_sitemap_output`.
*
* If the number of published posts is 0, then Categories, Authors,
* Monthly and Recent Posts headings will not be shown.
*
* $heading: genesis_a11y( 'headings' ) ? 'h2' : 'h4' );
*
* @since 2.4.0
*
* @param string $heading Optional. Heading element. Default is `h2`.
* @return string $heading Sitemap content.
*/
function genesis_get_sitemap( $heading = 'h2' ) {
/**
* Filter the sitemap before the default sitemap is built.
*
* @since 2.5.0
*
* @param null $sitemap Null value. Change to something else to have that be returned.
*/
$pre = apply_filters( 'genesis_pre_get_sitemap', null );
if ( null !== $pre ) {
return $pre;
}
$sitemap = sprintf( '<%2$s>%1$s</%2$s>', __( 'Pages:', 'genesis' ), $heading );
$sitemap .= sprintf( '<ul>%s</ul>', wp_list_pages( 'title_li=&echo=0' ) );
$post_counts = wp_count_posts();
if ( $post_counts->publish > 0 ) {
$sitemap .= sprintf( '<%2$s>%1$s</%2$s>', __( 'Categories:', 'genesis' ), $heading );
$sitemap .= sprintf( '<ul>%s</ul>', wp_list_categories( 'sort_column=name&title_li=&echo=0' ) );
$sitemap .= sprintf( '<%2$s>%1$s</%2$s>', __( 'Authors:', 'genesis' ), $heading );
$sitemap .= sprintf( '<ul>%s</ul>', wp_list_authors( 'exclude_admin=0&optioncount=1&echo=0' ) );
$sitemap .= sprintf( '<%2$s>%1$s</%2$s>', __( 'Monthly:', 'genesis' ), $heading );
$sitemap .= sprintf( '<ul>%s</ul>', wp_get_archives( 'type=monthly&echo=0' ) );
$sitemap .= sprintf( '<%2$s>%1$s</%2$s>', __( 'Recent Posts:', 'genesis' ), $heading );
$sitemap .= sprintf( '<ul>%s</ul>', wp_get_archives( 'type=postbypost&limit=100&echo=0' ) );
}
/**
* Filter the sitemap.
*
* @since 2.2.0
*
* @param string $sitemap Default sitemap.
*/
return apply_filters( 'genesis_sitemap_output', $sitemap );
}
/**
* Build links to install plugins.
*
* @since 2.0.0
*
* @param string $plugin_slug Plugin slug.
* @param string $text Plugin name.
* @return string HTML markup for links.
*/
function genesis_plugin_install_link( $plugin_slug = '', $text = '' ) {
$page = 'plugin-install.php';
$args = array(
'tab' => 'plugin-information',
'TB_iframe' => true,
'width' => 600,
'height' => 550,
'plugin' => $plugin_slug,
);
$url = add_query_arg( $args, admin_url( $page ) );
if ( is_main_site() ) {
$url = add_query_arg( $args, network_admin_url( $page ) );
}
return sprintf( '<a href="%s" class="thickbox">%s</a>', esc_url( $url ), esc_html( $text ) );
}
/**
* Check if the root page of the site is being viewed.
*
* `is_front_page()` returns false for the root page of a website when
* - the WordPress "Front page displays" setting is set to "A static page"
* - "Front page" is left undefined
* - "Posts page" is assigned to an existing page
*
* This function checks for is_front_page() or the root page of the website
* in this edge case.
*
* @since 2.2.0
*
* @return bool `true` if this is the root page of the site, `false` otherwise.
*/
function genesis_is_root_page() {
return is_front_page() || ( is_home() && get_option( 'page_for_posts' ) && ! get_option( 'page_on_front' ) && ! get_queried_object() );
}
/**
* Calculate and return the canonical URL.
*
* @since 2.2.0
*
* @return null|string The canonical URL if one exists, `null` otherwise.
*/
function genesis_canonical_url() {
global $wp_query;
$canonical = '';
$paged = (int) get_query_var( 'paged' );
$page = (int) get_query_var( 'page' );
if ( is_front_page() ) {
if ( $paged ) {
$canonical = get_pagenum_link( $paged );
} else {
$canonical = trailingslashit( home_url() );
}
}
if ( is_singular() ) {
$numpages = substr_count( $wp_query->post->post_content, '<!--nextpage-->' ) + 1;
$id = $wp_query->get_queried_object_id();
if ( ! $id ) {
return null;
}
$cf = genesis_get_custom_field( '_genesis_canonical_uri' );
if ( $cf ) {
$canonical = $cf;
} elseif ( $numpages > 1 && $page > 1 ) {
$canonical = genesis_paged_post_url( $page, $id );
} else {
$canonical = get_permalink( $id );
}
}
if ( is_category() || is_tag() || is_tax() ) {
$id = $wp_query->get_queried_object_id();
if ( ! $id ) {
return null;
}
$taxonomy = $wp_query->queried_object->taxonomy;
$canonical = $paged ? get_pagenum_link( $paged ) : get_term_link( (int) $id, $taxonomy );
}
if ( is_author() ) {
$id = $wp_query->get_queried_object_id();
if ( ! $id ) {
return null;
}
$canonical = $paged ? get_pagenum_link( $paged ) : get_author_posts_url( $id );
}
if ( is_search() ) {
$canonical = get_search_link();
}
return apply_filters( 'genesis_canonical_url', $canonical );
}
/**
* Checks if this web page is an AMP URL.
*
* @since 2.7.0
*
* @return bool `true` if AMP URL; else `false`.
*/
function genesis_is_amp() {
// If the AMP plugin is not installed, bail out and return `false`.
if ( ! function_exists( 'is_amp_endpoint' ) ) {
return false;
}
return is_amp_endpoint();
}