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<?php
/**
* Comment template functions
*
* These functions are meant to live inside of the WordPress loop.
*
* @package WordPress
* @subpackage Template
*/
/**
* Retrieves the author of the current comment.
*
* If the comment has an empty comment_author field, then 'Anonymous' person is
* assumed.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to retrieve the author.
* Default current comment.
* @return string The comment author
*/
function get_comment_author( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$comment_ID = ! empty( $comment->comment_ID ) ? $comment->comment_ID : $comment_ID;
if ( empty( $comment->comment_author ) ) {
$user = ! empty( $comment->user_id ) ? get_userdata( $comment->user_id ) : false;
if ( $user ) {
$author = $user->display_name;
} else {
$author = __( 'Anonymous' );
}
} else {
$author = $comment->comment_author;
}
/**
* Filters the returned comment author name.
*
* @since 1.5.0
* @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
*
* @param string $author The comment author's username.
* @param string $comment_ID The comment ID as a numeric string.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_author', $author, $comment_ID, $comment );
}
/**
* Displays the author of the current comment.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author.
* Default current comment.
*/
function comment_author( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$author = get_comment_author( $comment );
/**
* Filters the comment author's name for display.
*
* @since 1.2.0
* @since 4.1.0 The `$comment_ID` parameter was added.
*
* @param string $author The comment author's username.
* @param string $comment_ID The comment ID as a numeric string.
*/
echo apply_filters( 'comment_author', $author, $comment->comment_ID );
}
/**
* Retrieves the email of the author of the current comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's email.
* Default current comment.
* @return string The current comment author's email
*/
function get_comment_author_email( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
/**
* Filters the comment author's returned email address.
*
* @since 1.5.0
* @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
*
* @param string $comment_author_email The comment author's email address.
* @param string $comment_ID The comment ID as a numeric string.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_author_email', $comment->comment_author_email, $comment->comment_ID, $comment );
}
/**
* Displays the email of the author of the current global $comment.
*
* Care should be taken to protect the email address and assure that email
* harvesters do not capture your commenter's email address. Most assume that
* their email address will not appear in raw form on the site. Doing so will
* enable anyone, including those that people don't want to get the email
* address and use it for their own means good and bad.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's email.
* Default current comment.
*/
function comment_author_email( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$author_email = get_comment_author_email( $comment );
/**
* Filters the comment author's email for display.
*
* @since 1.2.0
* @since 4.1.0 The `$comment_ID` parameter was added.
*
* @param string $author_email The comment author's email address.
* @param string $comment_ID The comment ID as a numeric string.
*/
echo apply_filters( 'author_email', $author_email, $comment->comment_ID );
}
/**
* Displays the HTML email link to the author of the current comment.
*
* Care should be taken to protect the email address and assure that email
* harvesters do not capture your commenter's email address. Most assume that
* their email address will not appear in raw form on the site. Doing so will
* enable anyone, including those that people don't want to get the email
* address and use it for their own means good and bad.
*
* @since 0.71
* @since 4.6.0 Added the `$comment` parameter.
*
* @param string $linktext Optional. Text to display instead of the comment author's email address.
* Default empty.
* @param string $before Optional. Text or HTML to display before the email link. Default empty.
* @param string $after Optional. Text or HTML to display after the email link. Default empty.
* @param int|WP_Comment $comment Optional. Comment ID or WP_Comment object. Default is the current comment.
*/
function comment_author_email_link( $linktext = '', $before = '', $after = '', $comment = null ) {
$link = get_comment_author_email_link( $linktext, $before, $after, $comment );
if ( $link ) {
echo $link;
}
}
/**
* Returns the HTML email link to the author of the current comment.
*
* Care should be taken to protect the email address and assure that email
* harvesters do not capture your commenter's email address. Most assume that
* their email address will not appear in raw form on the site. Doing so will
* enable anyone, including those that people don't want to get the email
* address and use it for their own means good and bad.
*
* @since 2.7.0
* @since 4.6.0 Added the `$comment` parameter.
*
* @param string $linktext Optional. Text to display instead of the comment author's email address.
* Default empty.
* @param string $before Optional. Text or HTML to display before the email link. Default empty.
* @param string $after Optional. Text or HTML to display after the email link. Default empty.
* @param int|WP_Comment $comment Optional. Comment ID or WP_Comment object. Default is the current comment.
* @return string HTML markup for the comment author email link. By default, the email address is obfuscated
* via the {@see 'comment_email'} filter with antispambot().
*/
function get_comment_author_email_link( $linktext = '', $before = '', $after = '', $comment = null ) {
$comment = get_comment( $comment );
/**
* Filters the comment author's email for display.
*
* Care should be taken to protect the email address and assure that email
* harvesters do not capture your commenter's email address.
*
* @since 1.2.0
* @since 4.1.0 The `$comment` parameter was added.
*
* @param string $comment_author_email The comment author's email address.
* @param WP_Comment $comment The comment object.
*/
$email = apply_filters( 'comment_email', $comment->comment_author_email, $comment );
if ( ( ! empty( $email ) ) && ( '@' !== $email ) ) {
$display = ( '' !== $linktext ) ? $linktext : $email;
$return = $before;
$return .= sprintf( '<a href="%1$s">%2$s</a>', esc_url( 'mailto:' . $email ), esc_html( $display ) );
$return .= $after;
return $return;
} else {
return '';
}
}
/**
* Retrieves the HTML link to the URL of the author of the current comment.
*
* Both get_comment_author_url() and get_comment_author() rely on get_comment(),
* which falls back to the global comment variable if the $comment_ID argument is empty.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's link.
* Default current comment.
* @return string The comment author name or HTML link for author's URL.
*/
function get_comment_author_link( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$url = get_comment_author_url( $comment );
$author = get_comment_author( $comment );
if ( empty( $url ) || 'http://' === $url ) {
$return = $author;
} else {
$return = "<a href='$url' rel='external nofollow ugc' class='url'>$author</a>";
}
/**
* Filters the comment author's link for display.
*
* @since 1.5.0
* @since 4.1.0 The `$author` and `$comment_ID` parameters were added.
*
* @param string $return The HTML-formatted comment author link.
* Empty for an invalid URL.
* @param string $author The comment author's username.
* @param string $comment_ID The comment ID as a numeric string.
*/
return apply_filters( 'get_comment_author_link', $return, $author, $comment->comment_ID );
}
/**
* Displays the HTML link to the URL of the author of the current comment.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's link.
* Default current comment.
*/
function comment_author_link( $comment_ID = 0 ) {
echo get_comment_author_link( $comment_ID );
}
/**
* Retrieves the IP address of the author of the current comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's IP address.
* Default current comment.
* @return string Comment author's IP address, or an empty string if it's not available.
*/
function get_comment_author_IP( $comment_ID = 0 ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
$comment = get_comment( $comment_ID );
/**
* Filters the comment author's returned IP address.
*
* @since 1.5.0
* @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
*
* @param string $comment_author_ip The comment author's IP address, or an empty string if it's not available.
* @param string $comment_ID The comment ID as a numeric string.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_author_IP', $comment->comment_author_IP, $comment->comment_ID, $comment ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
}
/**
* Displays the IP address of the author of the current comment.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's IP address.
* Default current comment.
*/
function comment_author_IP( $comment_ID = 0 ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
echo esc_html( get_comment_author_IP( $comment_ID ) );
}
/**
* Retrieves the URL of the author of the current comment, not linked.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's URL.
* Default current comment.
* @return string Comment author URL, if provided, an empty string otherwise.
*/
function get_comment_author_url( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$url = '';
$id = 0;
if ( ! empty( $comment ) ) {
$author_url = ( 'http://' === $comment->comment_author_url ) ? '' : $comment->comment_author_url;
$url = esc_url( $author_url, array( 'http', 'https' ) );
$id = $comment->comment_ID;
}
/**
* Filters the comment author's URL.
*
* @since 1.5.0
* @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
*
* @param string $url The comment author's URL, or an empty string.
* @param string|int $comment_ID The comment ID as a numeric string, or 0 if not found.
* @param WP_Comment|null $comment The comment object, or null if not found.
*/
return apply_filters( 'get_comment_author_url', $url, $id, $comment );
}
/**
* Displays the URL of the author of the current comment, not linked.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's URL.
* Default current comment.
*/
function comment_author_url( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$author_url = get_comment_author_url( $comment );
/**
* Filters the comment author's URL for display.
*
* @since 1.2.0
* @since 4.1.0 The `$comment_ID` parameter was added.
*
* @param string $author_url The comment author's URL.
* @param string $comment_ID The comment ID as a numeric string.
*/
echo apply_filters( 'comment_url', $author_url, $comment->comment_ID );
}
/**
* Retrieves the HTML link of the URL of the author of the current comment.
*
* $linktext parameter is only used if the URL does not exist for the comment
* author. If the URL does exist then the URL will be used and the $linktext
* will be ignored.
*
* Encapsulate the HTML link between the $before and $after. So it will appear
* in the order of $before, link, and finally $after.
*
* @since 1.5.0
* @since 4.6.0 Added the `$comment` parameter.
*
* @param string $linktext Optional. The text to display instead of the comment
* author's email address. Default empty.
* @param string $before Optional. The text or HTML to display before the email link.
* Default empty.
* @param string $after Optional. The text or HTML to display after the email link.
* Default empty.
* @param int|WP_Comment $comment Optional. Comment ID or WP_Comment object.
* Default is the current comment.
* @return string The HTML link between the $before and $after parameters.
*/
function get_comment_author_url_link( $linktext = '', $before = '', $after = '', $comment = 0 ) {
$url = get_comment_author_url( $comment );
$display = ( '' !== $linktext ) ? $linktext : $url;
$display = str_replace( 'http://www.', '', $display );
$display = str_replace( 'http://', '', $display );
if ( '/' === substr( $display, -1 ) ) {
$display = substr( $display, 0, -1 );
}
$return = "$before<a href='$url' rel='external'>$display</a>$after";
/**
* Filters the comment author's returned URL link.
*
* @since 1.5.0
*
* @param string $return The HTML-formatted comment author URL link.
*/
return apply_filters( 'get_comment_author_url_link', $return );
}
/**
* Displays the HTML link of the URL of the author of the current comment.
*
* @since 0.71
* @since 4.6.0 Added the `$comment` parameter.
*
* @param string $linktext Optional. Text to display instead of the comment author's
* email address. Default empty.
* @param string $before Optional. Text or HTML to display before the email link.
* Default empty.
* @param string $after Optional. Text or HTML to display after the email link.
* Default empty.
* @param int|WP_Comment $comment Optional. Comment ID or WP_Comment object.
* Default is the current comment.
*/
function comment_author_url_link( $linktext = '', $before = '', $after = '', $comment = 0 ) {
echo get_comment_author_url_link( $linktext, $before, $after, $comment );
}
/**
* Generates semantic classes for each comment element.
*
* @since 2.7.0
* @since 4.4.0 Added the ability for `$comment` to also accept a WP_Comment object.
*
* @param string|string[] $css_class Optional. One or more classes to add to the class list.
* Default empty.
* @param int|WP_Comment $comment Comment ID or WP_Comment object. Default current comment.
* @param int|WP_Post $post Post ID or WP_Post object. Default current post.
* @param bool $display Optional. Whether to print or return the output.
* Default true.
* @return void|string Void if `$display` argument is true, comment classes if `$display` is false.
*/
function comment_class( $css_class = '', $comment = null, $post = null, $display = true ) {
// Separates classes with a single space, collates classes for comment DIV.
$css_class = 'class="' . implode( ' ', get_comment_class( $css_class, $comment, $post ) ) . '"';
if ( $display ) {
echo $css_class;
} else {
return $css_class;
}
}
/**
* Returns the classes for the comment div as an array.
*
* @since 2.7.0
* @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
*
* @global int $comment_alt
* @global int $comment_depth
* @global int $comment_thread_alt
*
* @param string|string[] $css_class Optional. One or more classes to add to the class list. Default empty.
* @param int|WP_Comment $comment_id Comment ID or WP_Comment object. Default current comment.
* @param int|WP_Post $post Post ID or WP_Post object. Default current post.
* @return string[] An array of classes.
*/
function get_comment_class( $css_class = '', $comment_id = null, $post = null ) {
global $comment_alt, $comment_depth, $comment_thread_alt;
$classes = array();
$comment = get_comment( $comment_id );
if ( ! $comment ) {
return $classes;
}
// Get the comment type (comment, trackback).
$classes[] = ( empty( $comment->comment_type ) ) ? 'comment' : $comment->comment_type;
// Add classes for comment authors that are registered users.
$user = $comment->user_id ? get_userdata( $comment->user_id ) : false;
if ( $user ) {
$classes[] = 'byuser';
$classes[] = 'comment-author-' . sanitize_html_class( $user->user_nicename, $comment->user_id );
// For comment authors who are the author of the post.
$_post = get_post( $post );
if ( $_post ) {
if ( $comment->user_id === $_post->post_author ) {
$classes[] = 'bypostauthor';
}
}
}
if ( empty( $comment_alt ) ) {
$comment_alt = 0;
}
if ( empty( $comment_depth ) ) {
$comment_depth = 1;
}
if ( empty( $comment_thread_alt ) ) {
$comment_thread_alt = 0;
}
if ( $comment_alt % 2 ) {
$classes[] = 'odd';
$classes[] = 'alt';
} else {
$classes[] = 'even';
}
$comment_alt++;
// Alt for top-level comments.
if ( 1 == $comment_depth ) {
if ( $comment_thread_alt % 2 ) {
$classes[] = 'thread-odd';
$classes[] = 'thread-alt';
} else {
$classes[] = 'thread-even';
}
$comment_thread_alt++;
}
$classes[] = "depth-$comment_depth";
if ( ! empty( $css_class ) ) {
if ( ! is_array( $css_class ) ) {
$css_class = preg_split( '#\s+#', $css_class );
}
$classes = array_merge( $classes, $css_class );
}
$classes = array_map( 'esc_attr', $classes );
/**
* Filters the returned CSS classes for the current comment.
*
* @since 2.7.0
*
* @param string[] $classes An array of comment classes.
* @param string[] $css_class An array of additional classes added to the list.
* @param string $comment_id The comment ID as a numeric string.
* @param WP_Comment $comment The comment object.
* @param int|WP_Post $post The post ID or WP_Post object.
*/
return apply_filters( 'comment_class', $classes, $css_class, $comment->comment_ID, $comment, $post );
}
/**
* Retrieves the comment date of the current comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param string $format Optional. PHP date format. Defaults to the 'date_format' option.
* @param int|WP_Comment $comment_ID WP_Comment or ID of the comment for which to get the date.
* Default current comment.
* @return string The comment's date.
*/
function get_comment_date( $format = '', $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$_format = ! empty( $format ) ? $format : get_option( 'date_format' );
$date = mysql2date( $_format, $comment->comment_date );
/**
* Filters the returned comment date.
*
* @since 1.5.0
*
* @param string|int $date Formatted date string or Unix timestamp.
* @param string $format PHP date format.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_date', $date, $format, $comment );
}
/**
* Displays the comment date of the current comment.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param string $format Optional. PHP date format. Defaults to the 'date_format' option.
* @param int|WP_Comment $comment_ID WP_Comment or ID of the comment for which to print the date.
* Default current comment.
*/
function comment_date( $format = '', $comment_ID = 0 ) {
echo get_comment_date( $format, $comment_ID );
}
/**
* Retrieves the excerpt of the given comment.
*
* Returns a maximum of 20 words with an ellipsis appended if necessary.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID WP_Comment or ID of the comment for which to get the excerpt.
* Default current comment.
* @return string The possibly truncated comment excerpt.
*/
function get_comment_excerpt( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
if ( ! post_password_required( $comment->comment_post_ID ) ) {
$comment_text = strip_tags( str_replace( array( "\n", "\r" ), ' ', $comment->comment_content ) );
} else {
$comment_text = __( 'Password protected' );
}
/* translators: Maximum number of words used in a comment excerpt. */
$comment_excerpt_length = (int) _x( '20', 'comment_excerpt_length' );
/**
* Filters the maximum number of words used in the comment excerpt.
*
* @since 4.4.0
*
* @param int $comment_excerpt_length The amount of words you want to display in the comment excerpt.
*/
$comment_excerpt_length = apply_filters( 'comment_excerpt_length', $comment_excerpt_length );
$excerpt = wp_trim_words( $comment_text, $comment_excerpt_length, '…' );
/**
* Filters the retrieved comment excerpt.
*
* @since 1.5.0
* @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
*
* @param string $excerpt The comment excerpt text.
* @param string $comment_ID The comment ID as a numeric string.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_excerpt', $excerpt, $comment->comment_ID, $comment );
}
/**
* Displays the excerpt of the current comment.
*
* @since 1.2.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID WP_Comment or ID of the comment for which to print the excerpt.
* Default current comment.
*/
function comment_excerpt( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$comment_excerpt = get_comment_excerpt( $comment );
/**
* Filters the comment excerpt for display.
*
* @since 1.2.0
* @since 4.1.0 The `$comment_ID` parameter was added.
*
* @param string $comment_excerpt The comment excerpt text.
* @param string $comment_ID The comment ID as a numeric string.
*/
echo apply_filters( 'comment_excerpt', $comment_excerpt, $comment->comment_ID );
}
/**
* Retrieves the comment ID of the current comment.
*
* @since 1.5.0
*
* @return string The comment ID as a numeric string.
*/
function get_comment_ID() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
$comment = get_comment();
$comment_ID = ! empty( $comment->comment_ID ) ? $comment->comment_ID : '0';
/**
* Filters the returned comment ID.
*
* @since 1.5.0
* @since 4.1.0 The `$comment` parameter was added.
*
* @param string $comment_ID The current comment ID as a numeric string.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_ID', $comment_ID, $comment ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
}
/**
* Displays the comment ID of the current comment.
*
* @since 0.71
*/
function comment_ID() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
echo get_comment_ID();
}
/**
* Retrieves the link to a given comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment` to also accept a WP_Comment object. Added `$cpage` argument.
*
* @see get_page_of_comment()
*
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
* @global bool $in_comment_loop
*
* @param WP_Comment|int|null $comment Comment to retrieve. Default current comment.
* @param array $args {
* An array of optional arguments to override the defaults.
*
* @type string $type Passed to get_page_of_comment().
* @type int $page Current page of comments, for calculating comment pagination.
* @type int $per_page Per-page value for comment pagination.
* @type int $max_depth Passed to get_page_of_comment().
* @type int|string $cpage Value to use for the comment's "comment-page" or "cpage" value.
* If provided, this value overrides any value calculated from `$page`
* and `$per_page`.
* }
* @return string The permalink to the given comment.
*/
function get_comment_link( $comment = null, $args = array() ) {
global $wp_rewrite, $in_comment_loop;
$comment = get_comment( $comment );
// Back-compat.
if ( ! is_array( $args ) ) {
$args = array( 'page' => $args );
}
$defaults = array(
'type' => 'all',
'page' => '',
'per_page' => '',
'max_depth' => '',
'cpage' => null,
);
$args = wp_parse_args( $args, $defaults );
$link = get_permalink( $comment->comment_post_ID );
// The 'cpage' param takes precedence.
if ( ! is_null( $args['cpage'] ) ) {
$cpage = $args['cpage'];
// No 'cpage' is provided, so we calculate one.
} else {
if ( '' === $args['per_page'] && get_option( 'page_comments' ) ) {
$args['per_page'] = get_option( 'comments_per_page' );
}
if ( empty( $args['per_page'] ) ) {
$args['per_page'] = 0;
$args['page'] = 0;
}
$cpage = $args['page'];
if ( '' == $cpage ) {
if ( ! empty( $in_comment_loop ) ) {
$cpage = get_query_var( 'cpage' );
} else {
// Requires a database hit, so we only do it when we can't figure out from context.
$cpage = get_page_of_comment( $comment->comment_ID, $args );
}
}
/*
* If the default page displays the oldest comments, the permalinks for comments on the default page
* do not need a 'cpage' query var.
*/
if ( 'oldest' === get_option( 'default_comments_page' ) && 1 === $cpage ) {
$cpage = '';
}
}
if ( $cpage && get_option( 'page_comments' ) ) {
if ( $wp_rewrite->using_permalinks() ) {
if ( $cpage ) {
$link = trailingslashit( $link ) . $wp_rewrite->comments_pagination_base . '-' . $cpage;
}
$link = user_trailingslashit( $link, 'comment' );
} elseif ( $cpage ) {
$link = add_query_arg( 'cpage', $cpage, $link );
}
}
if ( $wp_rewrite->using_permalinks() ) {
$link = user_trailingslashit( $link, 'comment' );
}
$link = $link . '#comment-' . $comment->comment_ID;
/**
* Filters the returned single comment permalink.
*
* @since 2.8.0
* @since 4.4.0 Added the `$cpage` parameter.
*
* @see get_page_of_comment()
*
* @param string $link The comment permalink with '#comment-$id' appended.
* @param WP_Comment $comment The current comment object.
* @param array $args An array of arguments to override the defaults.
* @param int $cpage The calculated 'cpage' value.
*/
return apply_filters( 'get_comment_link', $link, $comment, $args, $cpage );
}
/**
* Retrieves the link to the current post comments.
*
* @since 1.5.0
*
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
* @return string The link to the comments.
*/
function get_comments_link( $post = 0 ) {
$hash = get_comments_number( $post ) ? '#comments' : '#respond';
$comments_link = get_permalink( $post ) . $hash;
/**
* Filters the returned post comments permalink.
*
* @since 3.6.0
*
* @param string $comments_link Post comments permalink with '#comments' appended.
* @param int|WP_Post $post Post ID or WP_Post object.
*/
return apply_filters( 'get_comments_link', $comments_link, $post );
}
/**
* Displays the link to the current post comments.
*
* @since 0.71
*
* @param string $deprecated Not Used.
* @param string $deprecated_2 Not Used.
*/
function comments_link( $deprecated = '', $deprecated_2 = '' ) {
if ( ! empty( $deprecated ) ) {
_deprecated_argument( __FUNCTION__, '0.72' );
}
if ( ! empty( $deprecated_2 ) ) {
_deprecated_argument( __FUNCTION__, '1.3.0' );
}
echo esc_url( get_comments_link() );
}
/**
* Retrieves the amount of comments a post has.
*
* @since 1.5.0
*
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is the global `$post`.
* @return string|int If the post exists, a numeric string representing the number of comments
* the post has, otherwise 0.
*/
function get_comments_number( $post = 0 ) {
$post = get_post( $post );
$count = $post ? $post->comment_count : 0;
$post_id = $post ? $post->ID : 0;
/**
* Filters the returned comment count for a post.
*
* @since 1.5.0
*
* @param string|int $count A string representing the number of comments a post has, otherwise 0.
* @param int $post_id Post ID.
*/
return apply_filters( 'get_comments_number', $count, $post_id );
}
/**
* Displays the language string for the number of comments the current post has.
*
* @since 0.71
* @since 5.4.0 The `$deprecated` parameter was changed to `$post`.
*
* @param string|false $zero Optional. Text for no comments. Default false.
* @param string|false $one Optional. Text for one comment. Default false.
* @param string|false $more Optional. Text for more than one comment. Default false.
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is the global `$post`.
*/
function comments_number( $zero = false, $one = false, $more = false, $post = 0 ) {
echo get_comments_number_text( $zero, $one, $more, $post );
}
/**
* Displays the language string for the number of comments the current post has.
*
* @since 4.0.0
* @since 5.4.0 Added the `$post` parameter to allow using the function outside of the loop.
*
* @param string $zero Optional. Text for no comments. Default false.
* @param string $one Optional. Text for one comment. Default false.
* @param string $more Optional. Text for more than one comment. Default false.
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is the global `$post`.
* @return string Language string for the number of comments a post has.
*/
function get_comments_number_text( $zero = false, $one = false, $more = false, $post = 0 ) {
$number = get_comments_number( $post );
if ( $number > 1 ) {
if ( false === $more ) {
/* translators: %s: Number of comments. */
$output = sprintf( _n( '%s Comment', '%s Comments', $number ), number_format_i18n( $number ) );
} else {
// % Comments
/*
* translators: If comment number in your language requires declension,
* translate this to 'on'. Do not translate into your own language.
*/
if ( 'on' === _x( 'off', 'Comment number declension: on or off' ) ) {
$text = preg_replace( '#<span class="screen-reader-text">.+?</span>#', '', $more );
$text = preg_replace( '/&.+?;/', '', $text ); // Kill entities.
$text = trim( strip_tags( $text ), '% ' );
// Replace '% Comments' with a proper plural form.
if ( $text && ! preg_match( '/[0-9]+/', $text ) && false !== strpos( $more, '%' ) ) {
/* translators: %s: Number of comments. */
$new_text = _n( '%s Comment', '%s Comments', $number );
$new_text = trim( sprintf( $new_text, '' ) );
$more = str_replace( $text, $new_text, $more );
if ( false === strpos( $more, '%' ) ) {
$more = '% ' . $more;
}
}
}
$output = str_replace( '%', number_format_i18n( $number ), $more );
}
} elseif ( 0 == $number ) {
$output = ( false === $zero ) ? __( 'No Comments' ) : $zero;
} else { // Must be one.
$output = ( false === $one ) ? __( '1 Comment' ) : $one;
}
/**
* Filters the comments count for display.
*
* @since 1.5.0
*
* @see _n()
*
* @param string $output A translatable string formatted based on whether the count
* is equal to 0, 1, or 1+.
* @param int $number The number of post comments.
*/
return apply_filters( 'comments_number', $output, $number );
}
/**
* Retrieves the text of the current comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
* @since 5.4.0 Added 'In reply to %s.' prefix to child comments in comments feed.
*
* @see Walker_Comment::comment()
*
* @param int|WP_Comment $comment_ID WP_Comment or ID of the comment for which to get the text.
* Default current comment.
* @param array $args Optional. An array of arguments. Default empty array.
* @return string The comment content.
*/
function get_comment_text( $comment_ID = 0, $args = array() ) {
$comment = get_comment( $comment_ID );
$comment_content = $comment->comment_content;
if ( is_comment_feed() && $comment->comment_parent ) {
$parent = get_comment( $comment->comment_parent );
if ( $parent ) {
$parent_link = esc_url( get_comment_link( $parent ) );
$name = get_comment_author( $parent );
$comment_content = sprintf(
/* translators: %s: Comment link. */
ent2ncr( __( 'In reply to %s.' ) ),
'<a href="' . $parent_link . '">' . $name . '</a>'
) . "\n\n" . $comment_content;
}
}
/**
* Filters the text of a comment.
*
* @since 1.5.0
*
* @see Walker_Comment::comment()
*
* @param string $comment_content Text of the comment.
* @param WP_Comment $comment The comment object.
* @param array $args An array of arguments.
*/
return apply_filters( 'get_comment_text', $comment_content, $comment, $args );
}
/**
* Displays the text of the current comment.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @see Walker_Comment::comment()
*
* @param int|WP_Comment $comment_ID WP_Comment or ID of the comment for which to print the text.
* Default current comment.
* @param array $args Optional. An array of arguments. Default empty array.
*/
function comment_text( $comment_ID = 0, $args = array() ) {
$comment = get_comment( $comment_ID );
$comment_text = get_comment_text( $comment, $args );
/**
* Filters the text of a comment to be displayed.
*
* @since 1.2.0
*
* @see Walker_Comment::comment()
*
* @param string $comment_text Text of the current comment.
* @param WP_Comment|null $comment The comment object. Null if not found.
* @param array $args An array of arguments.
*/
echo apply_filters( 'comment_text', $comment_text, $comment, $args );
}
/**
* Retrieves the comment time of the current comment.
*
* @since 1.5.0
*
* @param string $format Optional. PHP time format. Defaults to the 'time_format' option.
* @param bool $gmt Optional. Whether to use the GMT date. Default false.
* @param bool $translate Optional. Whether to translate the time (for use in feeds).
* Default true.
* @return string The formatted time.
*/
function get_comment_time( $format = '', $gmt = false, $translate = true ) {
$comment = get_comment();
$comment_date = $gmt ? $comment->comment_date_gmt : $comment->comment_date;
$_format = ! empty( $format ) ? $format : get_option( 'time_format' );
$date = mysql2date( $_format, $comment_date, $translate );
/**
* Filters the returned comment time.
*
* @since 1.5.0
*
* @param string|int $date The comment time, formatted as a date string or Unix timestamp.
* @param string $format PHP date format.
* @param bool $gmt Whether the GMT date is in use.
* @param bool $translate Whether the time is translated.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_time', $date, $format, $gmt, $translate, $comment );
}
/**
* Displays the comment time of the current comment.
*
* @since 0.71
*
* @param string $format Optional. PHP time format. Defaults to the 'time_format' option.
*/
function comment_time( $format = '' ) {
echo get_comment_time( $format );
}
/**
* Retrieves the comment type of the current comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param int|WP_Comment $comment_ID Optional. WP_Comment or ID of the comment for which to get the type.
* Default current comment.
* @return string The comment type.
*/
function get_comment_type( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
if ( '' === $comment->comment_type ) {
$comment->comment_type = 'comment';
}
/**
* Filters the returned comment type.
*
* @since 1.5.0
* @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
*
* @param string $comment_type The type of comment, such as 'comment', 'pingback', or 'trackback'.
* @param string $comment_ID The comment ID as a numeric string.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_type', $comment->comment_type, $comment->comment_ID, $comment );
}
/**
* Displays the comment type of the current comment.
*
* @since 0.71
*
* @param string|false $commenttxt Optional. String to display for comment type. Default false.
* @param string|false $trackbacktxt Optional. String to display for trackback type. Default false.
* @param string|false $pingbacktxt Optional. String to display for pingback type. Default false.
*/
function comment_type( $commenttxt = false, $trackbacktxt = false, $pingbacktxt = false ) {
if ( false === $commenttxt ) {
$commenttxt = _x( 'Comment', 'noun' );
}
if ( false === $trackbacktxt ) {
$trackbacktxt = __( 'Trackback' );
}
if ( false === $pingbacktxt ) {
$pingbacktxt = __( 'Pingback' );
}
$type = get_comment_type();
switch ( $type ) {
case 'trackback':
echo $trackbacktxt;
break;
case 'pingback':
echo $pingbacktxt;
break;
default:
echo $commenttxt;
}
}
/**
* Retrieves the current post's trackback URL.
*
* There is a check to see if permalink's have been enabled and if so, will
* retrieve the pretty path. If permalinks weren't enabled, the ID of the
* current post is used and appended to the correct page to go to.
*
* @since 1.5.0
*
* @return string The trackback URL after being filtered.
*/
function get_trackback_url() {
if ( get_option( 'permalink_structure' ) ) {
$trackback_url = trailingslashit( get_permalink() ) . user_trailingslashit( 'trackback', 'single_trackback' );
} else {
$trackback_url = get_option( 'siteurl' ) . '/wp-trackback.php?p=' . get_the_ID();
}
/**
* Filters the returned trackback URL.
*
* @since 2.2.0
*
* @param string $trackback_url The trackback URL.
*/
return apply_filters( 'trackback_url', $trackback_url );
}
/**
* Displays the current post's trackback URL.
*
* @since 0.71
*
* @param bool $deprecated_echo Not used.
* @return void|string Should only be used to echo the trackback URL, use get_trackback_url()
* for the result instead.
*/
function trackback_url( $deprecated_echo = true ) {
if ( true !== $deprecated_echo ) {
_deprecated_argument(
__FUNCTION__,
'2.5.0',
sprintf(
/* translators: %s: get_trackback_url() */
__( 'Use %s instead if you do not want the value echoed.' ),
'<code>get_trackback_url()</code>'
)
);
}
if ( $deprecated_echo ) {
echo get_trackback_url();
} else {
return get_trackback_url();
}
}
/**
* Generates and displays the RDF for the trackback information of current post.
*
* Deprecated in 3.0.0, and restored in 3.0.1.
*
* @since 0.71
*
* @param int|string $deprecated Not used (Was $timezone = 0).
*/
function trackback_rdf( $deprecated = '' ) {
if ( ! empty( $deprecated ) ) {
_deprecated_argument( __FUNCTION__, '2.5.0' );
}
if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && false !== stripos( $_SERVER['HTTP_USER_AGENT'], 'W3C_Validator' ) ) {
return;
}
echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
<rdf:Description rdf:about="';
the_permalink();
echo '"' . "\n";
echo ' dc:identifier="';
the_permalink();
echo '"' . "\n";
echo ' dc:title="' . str_replace( '--', '--', wptexturize( strip_tags( get_the_title() ) ) ) . '"' . "\n";
echo ' trackback:ping="' . get_trackback_url() . '"' . " />\n";
echo '</rdf:RDF>';
}
/**
* Determines whether the current post is open for comments.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 1.5.0
*
* @param int|WP_Post $post Post ID or WP_Post object. Default current post.
* @return bool True if the comments are open.
*/
function comments_open( $post = null ) {
$_post = get_post( $post );
$post_id = $_post ? $_post->ID : 0;
$open = ( $_post && ( 'open' === $_post->comment_status ) );
/**
* Filters whether the current post is open for comments.
*
* @since 2.5.0
*
* @param bool $open Whether the current post is open for comments.
* @param int $post_id The post ID.
*/
return apply_filters( 'comments_open', $open, $post_id );
}
/**
* Determines whether the current post is open for pings.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 1.5.0
*
* @param int|WP_Post $post Post ID or WP_Post object. Default current post.
* @return bool True if pings are accepted
*/
function pings_open( $post = null ) {
$_post = get_post( $post );
$post_id = $_post ? $_post->ID : 0;
$open = ( $_post && ( 'open' === $_post->ping_status ) );
/**
* Filters whether the current post is open for pings.
*
* @since 2.5.0
*
* @param bool $open Whether the current post is open for pings.
* @param int $post_id The post ID.
*/
return apply_filters( 'pings_open', $open, $post_id );
}
/**
* Displays form token for unfiltered comments.
*
* Will only display nonce token if the current user has permissions for
* unfiltered html. Won't display the token for other users.
*
* The function was backported to 2.0.10 and was added to versions 2.1.3 and
* above. Does not exist in versions prior to 2.0.10 in the 2.0 branch and in
* the 2.1 branch, prior to 2.1.3. Technically added in 2.2.0.
*
* Backported to 2.0.10.
*
* @since 2.1.3
*/
function wp_comment_form_unfiltered_html_nonce() {
$post = get_post();
$post_id = $post ? $post->ID : 0;
if ( current_user_can( 'unfiltered_html' ) ) {
wp_nonce_field( 'unfiltered-html-comment_' . $post_id, '_wp_unfiltered_html_comment_disabled', false );
echo "<script>(function(){if(window===window.parent){document.getElementById('_wp_unfiltered_html_comment_disabled').name='_wp_unfiltered_html_comment';}})();</script>\n";
}
}
/**
* Loads the comment template specified in $file.
*
* Will not display the comments template if not on single post or page, or if
* the post does not have comments.
*
* Uses the WordPress database object to query for the comments. The comments
* are passed through the {@see 'comments_array'} filter hook with the list of comments
* and the post ID respectively.
*
* The `$file` path is passed through a filter hook called {@see 'comments_template'},
* which includes the TEMPLATEPATH and $file combined. Tries the $filtered path
* first and if it fails it will require the default comment template from the
* default theme. If either does not exist, then the WordPress process will be
* halted. It is advised for that reason, that the default theme is not deleted.
*
* Will not try to get the comments if the post has none.
*
* @since 1.5.0
*
* @global WP_Query $wp_query WordPress Query object.
* @global WP_Post $post Global post object.
* @global wpdb $wpdb WordPress database abstraction object.
* @global int $id
* @global WP_Comment $comment Global comment object.
* @global string $user_login
* @global string $user_identity
* @global bool $overridden_cpage
* @global bool $withcomments
*
* @param string $file Optional. The file to load. Default '/comments.php'.
* @param bool $separate_comments Optional. Whether to separate the comments by comment type.
* Default false.
*/
function comments_template( $file = '/comments.php', $separate_comments = false ) {
global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_identity, $overridden_cpage;
if ( ! ( is_single() || is_page() || $withcomments ) || empty( $post ) ) {
return;
}
if ( empty( $file ) ) {
$file = '/comments.php';
}
$req = get_option( 'require_name_email' );
/*
* Comment author information fetched from the comment cookies.
*/
$commenter = wp_get_current_commenter();
/*
* The name of the current comment author escaped for use in attributes.
* Escaped by sanitize_comment_cookies().
*/
$comment_author = $commenter['comment_author'];
/*
* The email address of the current comment author escaped for use in attributes.
* Escaped by sanitize_comment_cookies().
*/
$comment_author_email = $commenter['comment_author_email'];
/*
* The URL of the current comment author escaped for use in attributes.
*/
$comment_author_url = esc_url( $commenter['comment_author_url'] );
$comment_args = array(
'orderby' => 'comment_date_gmt',
'order' => 'ASC',
'status' => 'approve',
'post_id' => $post->ID,
'no_found_rows' => false,
'update_comment_meta_cache' => false, // We lazy-load comment meta for performance.
);
if ( get_option( 'thread_comments' ) ) {
$comment_args['hierarchical'] = 'threaded';
} else {
$comment_args['hierarchical'] = false;
}
if ( is_user_logged_in() ) {
$comment_args['include_unapproved'] = array( get_current_user_id() );
} else {
$unapproved_email = wp_get_unapproved_comment_author_email();
if ( $unapproved_email ) {
$comment_args['include_unapproved'] = array( $unapproved_email );
}
}
$per_page = 0;
if ( get_option( 'page_comments' ) ) {
$per_page = (int) get_query_var( 'comments_per_page' );
if ( 0 === $per_page ) {
$per_page = (int) get_option( 'comments_per_page' );
}
$comment_args['number'] = $per_page;
$page = (int) get_query_var( 'cpage' );
if ( $page ) {
$comment_args['offset'] = ( $page - 1 ) * $per_page;
} elseif ( 'oldest' === get_option( 'default_comments_page' ) ) {
$comment_args['offset'] = 0;
} else {
// If fetching the first page of 'newest', we need a top-level comment count.
$top_level_query = new WP_Comment_Query();
$top_level_args = array(
'count' => true,
'orderby' => false,
'post_id' => $post->ID,
'status' => 'approve',
);
if ( $comment_args['hierarchical'] ) {
$top_level_args['parent'] = 0;
}
if ( isset( $comment_args['include_unapproved'] ) ) {
$top_level_args['include_unapproved'] = $comment_args['include_unapproved'];
}
/**
* Filters the arguments used in the top level comments query.
*
* @since 5.6.0
*
* @see WP_Comment_Query::__construct()
*
* @param array $top_level_args {
* The top level query arguments for the comments template.
*
* @type bool $count Whether to return a comment count.
* @type string|array $orderby The field(s) to order by.
* @type int $post_id The post ID.
* @type string|array $status The comment status to limit results by.
* }
*/
$top_level_args = apply_filters( 'comments_template_top_level_query_args', $top_level_args );
$top_level_count = $top_level_query->query( $top_level_args );
$comment_args['offset'] = ( ceil( $top_level_count / $per_page ) - 1 ) * $per_page;
}
}
/**
* Filters the arguments used to query comments in comments_template().
*
* @since 4.5.0
*
* @see WP_Comment_Query::__construct()
*
* @param array $comment_args {
* Array of WP_Comment_Query arguments.
*
* @type string|array $orderby Field(s) to order by.
* @type string $order Order of results. Accepts 'ASC' or 'DESC'.
* @type string $status Comment status.
* @type array $include_unapproved Array of IDs or email addresses whose unapproved comments
* will be included in results.
* @type int $post_id ID of the post.
* @type bool $no_found_rows Whether to refrain from querying for found rows.
* @type bool $update_comment_meta_cache Whether to prime cache for comment meta.
* @type bool|string $hierarchical Whether to query for comments hierarchically.
* @type int $offset Comment offset.
* @type int $number Number of comments to fetch.
* }
*/
$comment_args = apply_filters( 'comments_template_query_args', $comment_args );
$comment_query = new WP_Comment_Query( $comment_args );
$_comments = $comment_query->comments;
// Trees must be flattened before they're passed to the walker.
if ( $comment_args['hierarchical'] ) {
$comments_flat = array();
foreach ( $_comments as $_comment ) {
$comments_flat[] = $_comment;
$comment_children = $_comment->get_children(
array(
'format' => 'flat',
'status' => $comment_args['status'],
'orderby' => $comment_args['orderby'],
)
);
foreach ( $comment_children as $comment_child ) {
$comments_flat[] = $comment_child;
}
}
} else {
$comments_flat = $_comments;
}
/**
* Filters the comments array.
*
* @since 2.1.0
*
* @param array $comments Array of comments supplied to the comments template.
* @param int $post_id Post ID.
*/
$wp_query->comments = apply_filters( 'comments_array', $comments_flat, $post->ID );
$comments = &$wp_query->comments;
$wp_query->comment_count = count( $wp_query->comments );
$wp_query->max_num_comment_pages = $comment_query->max_num_pages;
if ( $separate_comments ) {
$wp_query->comments_by_type = separate_comments( $comments );
$comments_by_type = &$wp_query->comments_by_type;
} else {
$wp_query->comments_by_type = array();
}
$overridden_cpage = false;
if ( '' == get_query_var( 'cpage' ) && $wp_query->max_num_comment_pages > 1 ) {
set_query_var( 'cpage', 'newest' === get_option( 'default_comments_page' ) ? get_comment_pages_count() : 1 );
$overridden_cpage = true;
}
if ( ! defined( 'COMMENTS_TEMPLATE' ) ) {
define( 'COMMENTS_TEMPLATE', true );
}
$theme_template = STYLESHEETPATH . $file;
/**
* Filters the path to the theme template file used for the comments template.
*
* @since 1.5.1
*
* @param string $theme_template The path to the theme template file.
*/
$include = apply_filters( 'comments_template', $theme_template );
if ( file_exists( $include ) ) {
require $include;
} elseif ( file_exists( TEMPLATEPATH . $file ) ) {
require TEMPLATEPATH . $file;
} else { // Backward compat code will be removed in a future release.
require ABSPATH . WPINC . '/theme-compat/comments.php';
}
}
/**
* Displays the link to the comments for the current post ID.
*
* @since 0.71
*
* @param false|string $zero Optional. String to display when no comments. Default false.
* @param false|string $one Optional. String to display when only one comment is available. Default false.
* @param false|string $more Optional. String to display when there are more than one comment. Default false.
* @param string $css_class Optional. CSS class to use for comments. Default empty.
* @param false|string $none Optional. String to display when comments have been turned off. Default false.
*/
function comments_popup_link( $zero = false, $one = false, $more = false, $css_class = '', $none = false ) {
$post_id = get_the_ID();
$post_title = get_the_title();
$number = get_comments_number( $post_id );
if ( false === $zero ) {
/* translators: %s: Post title. */
$zero = sprintf( __( 'No Comments<span class="screen-reader-text"> on %s</span>' ), $post_title );
}
if ( false === $one ) {
/* translators: %s: Post title. */
$one = sprintf( __( '1 Comment<span class="screen-reader-text"> on %s</span>' ), $post_title );
}
if ( false === $more ) {
/* translators: 1: Number of comments, 2: Post title. */
$more = _n( '%1$s Comment<span class="screen-reader-text"> on %2$s</span>', '%1$s Comments<span class="screen-reader-text"> on %2$s</span>', $number );
$more = sprintf( $more, number_format_i18n( $number ), $post_title );
}
if ( false === $none ) {
/* translators: %s: Post title. */
$none = sprintf( __( 'Comments Off<span class="screen-reader-text"> on %s</span>' ), $post_title );
}
if ( 0 == $number && ! comments_open() && ! pings_open() ) {
echo '<span' . ( ( ! empty( $css_class ) ) ? ' class="' . esc_attr( $css_class ) . '"' : '' ) . '>' . $none . '</span>';
return;
}
if ( post_password_required() ) {
_e( 'Enter your password to view comments.' );
return;
}
echo '<a href="';
if ( 0 == $number ) {
$respond_link = get_permalink() . '#respond';
/**
* Filters the respond link when a post has no comments.
*
* @since 4.4.0
*
* @param string $respond_link The default response link.
* @param int $post_id The post ID.
*/
echo apply_filters( 'respond_link', $respond_link, $post_id );
} else {
comments_link();
}
echo '"';
if ( ! empty( $css_class ) ) {
echo ' class="' . $css_class . '" ';
}
$attributes = '';
/**
* Filters the comments link attributes for display.
*
* @since 2.5.0
*
* @param string $attributes The comments link attributes. Default empty.
*/
echo apply_filters( 'comments_popup_link_attributes', $attributes );
echo '>';
comments_number( $zero, $one, $more );
echo '</a>';
}
/**
* Retrieves HTML content for reply to comment link.
*
* @since 2.7.0
* @since 4.4.0 Added the ability for `$comment` to also accept a WP_Comment object.
*
* @param array $args {
* Optional. Override default arguments.
*
* @type string $add_below The first part of the selector used to identify the comment to respond below.
* The resulting value is passed as the first parameter to addComment.moveForm(),
* concatenated as $add_below-$comment->comment_ID. Default 'comment'.
* @type string $respond_id The selector identifying the responding comment. Passed as the third parameter
* to addComment.moveForm(), and appended to the link URL as a hash value.
* Default 'respond'.
* @type string $reply_text The text of the Reply link. Default 'Reply'.
* @type string $login_text The text of the link to reply if logged out. Default 'Log in to Reply'.
* @type int $max_depth The max depth of the comment tree. Default 0.
* @type int $depth The depth of the new comment. Must be greater than 0 and less than the value
* of the 'thread_comments_depth' option set in Settings > Discussion. Default 0.
* @type string $before The text or HTML to add before the reply link. Default empty.
* @type string $after The text or HTML to add after the reply link. Default empty.
* }
* @param int|WP_Comment $comment Comment being replied to. Default current comment.
* @param int|WP_Post $post Post ID or WP_Post object the comment is going to be displayed on.
* Default current post.
* @return string|false|null Link to show comment form, if successful. False, if comments are closed.
*/
function get_comment_reply_link( $args = array(), $comment = null, $post = null ) {
$defaults = array(
'add_below' => 'comment',
'respond_id' => 'respond',
'reply_text' => __( 'Reply' ),
/* translators: Comment reply button text. %s: Comment author name. */
'reply_to_text' => __( 'Reply to %s' ),
'login_text' => __( 'Log in to Reply' ),
'max_depth' => 0,
'depth' => 0,
'before' => '',
'after' => '',
);
$args = wp_parse_args( $args, $defaults );
if ( 0 == $args['depth'] || $args['max_depth'] <= $args['depth'] ) {
return;
}
$comment = get_comment( $comment );
if ( empty( $comment ) ) {
return;
}
if ( empty( $post ) ) {
$post = $comment->comment_post_ID;
}
$post = get_post( $post );
if ( ! comments_open( $post->ID ) ) {
return false;
}
if ( get_option( 'page_comments' ) ) {
$permalink = str_replace( '#comment-' . $comment->comment_ID, '', get_comment_link( $comment ) );
} else {
$permalink = get_permalink( $post->ID );
}
/**
* Filters the comment reply link arguments.
*
* @since 4.1.0
*
* @param array $args Comment reply link arguments. See get_comment_reply_link()
* for more information on accepted arguments.
* @param WP_Comment $comment The object of the comment being replied to.
* @param WP_Post $post The WP_Post object.
*/
$args = apply_filters( 'comment_reply_link_args', $args, $comment, $post );
if ( get_option( 'comment_registration' ) && ! is_user_logged_in() ) {
$link = sprintf(
'<a rel="nofollow" class="comment-reply-login" href="%s">%s</a>',
esc_url( wp_login_url( get_permalink() ) ),
$args['login_text']
);
} else {
$data_attributes = array(
'commentid' => $comment->comment_ID,
'postid' => $post->ID,
'belowelement' => $args['add_below'] . '-' . $comment->comment_ID,
'respondelement' => $args['respond_id'],
'replyto' => sprintf( $args['reply_to_text'], get_comment_author( $comment ) ),
);
$data_attribute_string = '';
foreach ( $data_attributes as $name => $value ) {
$data_attribute_string .= " data-{$name}=\"" . esc_attr( $value ) . '"';
}
$data_attribute_string = trim( $data_attribute_string );
$link = sprintf(
"<a rel='nofollow' class='comment-reply-link' href='%s' %s aria-label='%s'>%s</a>",
esc_url(
add_query_arg(
array(
'replytocom' => $comment->comment_ID,
'unapproved' => false,
'moderation-hash' => false,
),
$permalink
)
) . '#' . $args['respond_id'],
$data_attribute_string,
esc_attr( sprintf( $args['reply_to_text'], get_comment_author( $comment ) ) ),
$args['reply_text']
);
}
/**
* Filters the comment reply link.
*
* @since 2.7.0
*
* @param string $link The HTML markup for the comment reply link.
* @param array $args An array of arguments overriding the defaults.
* @param WP_Comment $comment The object of the comment being replied.
* @param WP_Post $post The WP_Post object.
*/
return apply_filters( 'comment_reply_link', $args['before'] . $link . $args['after'], $args, $comment, $post );
}
/**
* Displays the HTML content for reply to comment link.
*
* @since 2.7.0
*
* @see get_comment_reply_link()
*
* @param array $args Optional. Override default options. Default empty array.
* @param int|WP_Comment $comment Comment being replied to. Default current comment.
* @param int|WP_Post $post Post ID or WP_Post object the comment is going to be displayed on.
* Default current post.
*/
function comment_reply_link( $args = array(), $comment = null, $post = null ) {
echo get_comment_reply_link( $args, $comment, $post );
}
/**
* Retrieves HTML content for reply to post link.
*
* @since 2.7.0
*
* @param array $args {
* Optional. Override default arguments.
*
* @type string $add_below The first part of the selector used to identify the comment to respond below.
* The resulting value is passed as the first parameter to addComment.moveForm(),
* concatenated as $add_below-$comment->comment_ID. Default is 'post'.
* @type string $respond_id The selector identifying the responding comment. Passed as the third parameter
* to addComment.moveForm(), and appended to the link URL as a hash value.
* Default 'respond'.
* @type string $reply_text Text of the Reply link. Default is 'Leave a Comment'.
* @type string $login_text Text of the link to reply if logged out. Default is 'Log in to leave a Comment'.
* @type string $before Text or HTML to add before the reply link. Default empty.
* @type string $after Text or HTML to add after the reply link. Default empty.
* }
* @param int|WP_Post $post Optional. Post ID or WP_Post object the comment is going to be displayed on.
* Default current post.
* @return string|false|null Link to show comment form, if successful. False, if comments are closed.
*/
function get_post_reply_link( $args = array(), $post = null ) {
$defaults = array(
'add_below' => 'post',
'respond_id' => 'respond',
'reply_text' => __( 'Leave a Comment' ),
'login_text' => __( 'Log in to leave a Comment' ),
'before' => '',
'after' => '',
);
$args = wp_parse_args( $args, $defaults );
$post = get_post( $post );
if ( ! comments_open( $post->ID ) ) {
return false;
}
if ( get_option( 'comment_registration' ) && ! is_user_logged_in() ) {
$link = sprintf(
'<a rel="nofollow" class="comment-reply-login" href="%s">%s</a>',
wp_login_url( get_permalink() ),
$args['login_text']
);
} else {
$onclick = sprintf(
'return addComment.moveForm( "%1$s-%2$s", "0", "%3$s", "%2$s" )',
$args['add_below'],
$post->ID,
$args['respond_id']
);
$link = sprintf(
"<a rel='nofollow' class='comment-reply-link' href='%s' onclick='%s'>%s</a>",
get_permalink( $post->ID ) . '#' . $args['respond_id'],
$onclick,
$args['reply_text']
);
}
$formatted_link = $args['before'] . $link . $args['after'];
/**
* Filters the formatted post comments link HTML.
*
* @since 2.7.0
*
* @param string $formatted The HTML-formatted post comments link.
* @param int|WP_Post $post The post ID or WP_Post object.
*/
return apply_filters( 'post_comments_link', $formatted_link, $post );
}
/**
* Displays the HTML content for reply to post link.
*
* @since 2.7.0
*
* @see get_post_reply_link()
*
* @param array $args Optional. Override default options. Default empty array.
* @param int|WP_Post $post Post ID or WP_Post object the comment is going to be displayed on.
* Default current post.
*/
function post_reply_link( $args = array(), $post = null ) {
echo get_post_reply_link( $args, $post );
}
/**
* Retrieves HTML content for cancel comment reply link.
*
* @since 2.7.0
*
* @param string $text Optional. Text to display for cancel reply link. If empty,
* defaults to 'Click here to cancel reply'. Default empty.
* @return string
*/
function get_cancel_comment_reply_link( $text = '' ) {
if ( empty( $text ) ) {
$text = __( 'Click here to cancel reply.' );
}
$style = isset( $_GET['replytocom'] ) ? '' : ' style="display:none;"';
$link = esc_html( remove_query_arg( array( 'replytocom', 'unapproved', 'moderation-hash' ) ) ) . '#respond';
$formatted_link = '<a rel="nofollow" id="cancel-comment-reply-link" href="' . $link . '"' . $style . '>' . $text . '</a>';
/**
* Filters the cancel comment reply link HTML.
*
* @since 2.7.0
*
* @param string $formatted_link The HTML-formatted cancel comment reply link.
* @param string $link Cancel comment reply link URL.
* @param string $text Cancel comment reply link text.
*/
return apply_filters( 'cancel_comment_reply_link', $formatted_link, $link, $text );
}
/**
* Displays HTML content for cancel comment reply link.
*
* @since 2.7.0
*
* @param string $text Optional. Text to display for cancel reply link. If empty,
* defaults to 'Click here to cancel reply'. Default empty.
*/
function cancel_comment_reply_link( $text = '' ) {
echo get_cancel_comment_reply_link( $text );
}
/**
* Retrieves hidden input HTML for replying to comments.
*
* @since 3.0.0
*
* @param int $post_id Optional. Post ID. Defaults to the current post ID.
* @return string Hidden input HTML for replying to comments.
*/
function get_comment_id_fields( $post_id = 0 ) {
if ( empty( $post_id ) ) {
$post_id = get_the_ID();
}
$reply_to_id = isset( $_GET['replytocom'] ) ? (int) $_GET['replytocom'] : 0;
$result = "<input type='hidden' name='comment_post_ID' value='$post_id' id='comment_post_ID' />\n";
$result .= "<input type='hidden' name='comment_parent' id='comment_parent' value='$reply_to_id' />\n";
/**
* Filters the returned comment ID fields.
*
* @since 3.0.0
*
* @param string $result The HTML-formatted hidden ID field comment elements.
* @param int $post_id The post ID.
* @param int $reply_to_id The ID of the comment being replied to.
*/
return apply_filters( 'comment_id_fields', $result, $post_id, $reply_to_id );
}
/**
* Outputs hidden input HTML for replying to comments.
*
* Adds two hidden inputs to the comment form to identify the `comment_post_ID`
* and `comment_parent` values for threaded comments.
*
* This tag must be within the `<form>` section of the `comments.php` template.
*
* @since 2.7.0
*
* @see get_comment_id_fields()
*
* @param int $post_id Optional. Post ID. Defaults to the current post ID.
*/
function comment_id_fields( $post_id = 0 ) {
echo get_comment_id_fields( $post_id );
}
/**
* Displays text based on comment reply status.
*
* Only affects users with JavaScript disabled.
*
* @internal The $comment global must be present to allow template tags access to the current
* comment. See https://core.trac.wordpress.org/changeset/36512.
*
* @since 2.7.0
*
* @global WP_Comment $comment Global comment object.
*
* @param string|false $no_reply_text Optional. Text to display when not replying to a comment.
* Default false.
* @param string|false $reply_text Optional. Text to display when replying to a comment.
* Default false. Accepts "%s" for the author of the comment
* being replied to.
* @param bool $link_to_parent Optional. Boolean to control making the author's name a link
* to their comment. Default true.
*/
function comment_form_title( $no_reply_text = false, $reply_text = false, $link_to_parent = true ) {
global $comment;
if ( false === $no_reply_text ) {
$no_reply_text = __( 'Leave a Reply' );
}
if ( false === $reply_text ) {
/* translators: %s: Author of the comment being replied to. */
$reply_text = __( 'Leave a Reply to %s' );
}
$reply_to_id = isset( $_GET['replytocom'] ) ? (int) $_GET['replytocom'] : 0;
if ( 0 == $reply_to_id ) {
echo $no_reply_text;
} else {
// Sets the global so that template tags can be used in the comment form.
$comment = get_comment( $reply_to_id );
if ( $link_to_parent ) {
$author = '<a href="#comment-' . get_comment_ID() . '">' . get_comment_author( $comment ) . '</a>';
} else {
$author = get_comment_author( $comment );
}
printf( $reply_text, $author );
}
}
/**
* Displays a list of comments.
*
* Used in the comments.php template to list comments for a particular post.
*
* @since 2.7.0
*
* @see WP_Query::$comments
*
* @global WP_Query $wp_query WordPress Query object.
* @global int $comment_alt
* @global int $comment_depth
* @global int $comment_thread_alt
* @global bool $overridden_cpage
* @global bool $in_comment_loop
*
* @param string|array $args {
* Optional. Formatting options.
*
* @type object $walker Instance of a Walker class to list comments. Default null.
* @type int $max_depth The maximum comments depth. Default empty.
* @type string $style The style of list ordering. Accepts 'ul', 'ol', or 'div'.
* 'div' will result in no additional list markup. Default 'ul'.
* @type callable $callback Callback function to use. Default null.
* @type callable $end-callback Callback function to use at the end. Default null.
* @type string $type Type of comments to list. Accepts 'all', 'comment',
* 'pingback', 'trackback', 'pings'. Default 'all'.
* @type int $page Page ID to list comments for. Default empty.
* @type int $per_page Number of comments to list per page. Default empty.
* @type int $avatar_size Height and width dimensions of the avatar size. Default 32.
* @type bool $reverse_top_level Ordering of the listed comments. If true, will display
* newest comments first. Default null.
* @type bool $reverse_children Whether to reverse child comments in the list. Default null.
* @type string $format How to format the comments list. Accepts 'html5', 'xhtml'.
* Default 'html5' if the theme supports it.
* @type bool $short_ping Whether to output short pings. Default false.
* @type bool $echo Whether to echo the output or return it. Default true.
* }
* @param WP_Comment[] $comments Optional. Array of WP_Comment objects.
* @return void|string Void if 'echo' argument is true, or no comments to list.
* Otherwise, HTML list of comments.
*/
function wp_list_comments( $args = array(), $comments = null ) {
global $wp_query, $comment_alt, $comment_depth, $comment_thread_alt, $overridden_cpage, $in_comment_loop;
$in_comment_loop = true;
$comment_alt = 0;
$comment_thread_alt = 0;
$comment_depth = 1;
$defaults = array(
'walker' => null,
'max_depth' => '',
'style' => 'ul',
'callback' => null,
'end-callback' => null,
'type' => 'all',
'page' => '',
'per_page' => '',
'avatar_size' => 32,
'reverse_top_level' => null,
'reverse_children' => '',
'format' => current_theme_supports( 'html5', 'comment-list' ) ? 'html5' : 'xhtml',
'short_ping' => false,
'echo' => true,
);
$parsed_args = wp_parse_args( $args, $defaults );
/**
* Filters the arguments used in retrieving the comment list.
*
* @since 4.0.0
*
* @see wp_list_comments()
*
* @param array $parsed_args An array of arguments for displaying comments.
*/
$parsed_args = apply_filters( 'wp_list_comments_args', $parsed_args );
// Figure out what comments we'll be looping through ($_comments).
if ( null !== $comments ) {
$comments = (array) $comments;
if ( empty( $comments ) ) {
return;
}
if ( 'all' !== $parsed_args['type'] ) {
$comments_by_type = separate_comments( $comments );
if ( empty( $comments_by_type[ $parsed_args['type'] ] ) ) {
return;
}
$_comments = $comments_by_type[ $parsed_args['type'] ];
} else {
$_comments = $comments;
}
} else {
/*
* If 'page' or 'per_page' has been passed, and does not match what's in $wp_query,
* perform a separate comment query and allow Walker_Comment to paginate.
*/
if ( $parsed_args['page'] || $parsed_args['per_page'] ) {
$current_cpage = get_query_var( 'cpage' );
if ( ! $current_cpage ) {
$current_cpage = 'newest' === get_option( 'default_comments_page' ) ? 1 : $wp_query->max_num_comment_pages;
}
$current_per_page = get_query_var( 'comments_per_page' );
if ( $parsed_args['page'] != $current_cpage || $parsed_args['per_page'] != $current_per_page ) {
$comment_args = array(
'post_id' => get_the_ID(),
'orderby' => 'comment_date_gmt',
'order' => 'ASC',
'status' => 'approve',
);
if ( is_user_logged_in() ) {
$comment_args['include_unapproved'] = array( get_current_user_id() );
} else {
$unapproved_email = wp_get_unapproved_comment_author_email();
if ( $unapproved_email ) {
$comment_args['include_unapproved'] = array( $unapproved_email );
}
}
$comments = get_comments( $comment_args );
if ( 'all' !== $parsed_args['type'] ) {
$comments_by_type = separate_comments( $comments );
if ( empty( $comments_by_type[ $parsed_args['type'] ] ) ) {
return;
}
$_comments = $comments_by_type[ $parsed_args['type'] ];
} else {
$_comments = $comments;
}
}
// Otherwise, fall back on the comments from `$wp_query->comments`.
} else {
if ( empty( $wp_query->comments ) ) {
return;
}
if ( 'all' !== $parsed_args['type'] ) {
if ( empty( $wp_query->comments_by_type ) ) {
$wp_query->comments_by_type = separate_comments( $wp_query->comments );
}
if ( empty( $wp_query->comments_by_type[ $parsed_args['type'] ] ) ) {
return;
}
$_comments = $wp_query->comments_by_type[ $parsed_args['type'] ];
} else {
$_comments = $wp_query->comments;
}
if ( $wp_query->max_num_comment_pages ) {
$default_comments_page = get_option( 'default_comments_page' );
$cpage = get_query_var( 'cpage' );
if ( 'newest' === $default_comments_page ) {
$parsed_args['cpage'] = $cpage;
/*
* When first page shows oldest comments, post permalink is the same as
* the comment permalink.
*/
} elseif ( 1 == $cpage ) {
$parsed_args['cpage'] = '';
} else {
$parsed_args['cpage'] = $cpage;
}
$parsed_args['page'] = 0;
$parsed_args['per_page'] = 0;
}
}
}
if ( '' === $parsed_args['per_page'] && get_option( 'page_comments' ) ) {
$parsed_args['per_page'] = get_query_var( 'comments_per_page' );
}
if ( empty( $parsed_args['per_page'] ) ) {
$parsed_args['per_page'] = 0;
$parsed_args['page'] = 0;
}
if ( '' === $parsed_args['max_depth'] ) {
if ( get_option( 'thread_comments' ) ) {
$parsed_args['max_depth'] = get_option( 'thread_comments_depth' );
} else {
$parsed_args['max_depth'] = -1;
}
}
if ( '' === $parsed_args['page'] ) {
if ( empty( $overridden_cpage ) ) {
$parsed_args['page'] = get_query_var( 'cpage' );
} else {
$threaded = ( -1 != $parsed_args['max_depth'] );
$parsed_args['page'] = ( 'newest' === get_option( 'default_comments_page' ) ) ? get_comment_pages_count( $_comments, $parsed_args['per_page'], $threaded ) : 1;
set_query_var( 'cpage', $parsed_args['page'] );
}
}
// Validation check.
$parsed_args['page'] = (int) $parsed_args['page'];
if ( 0 == $parsed_args['page'] && 0 != $parsed_args['per_page'] ) {
$parsed_args['page'] = 1;
}
if ( null === $parsed_args['reverse_top_level'] ) {
$parsed_args['reverse_top_level'] = ( 'desc' === get_option( 'comment_order' ) );
}
wp_queue_comments_for_comment_meta_lazyload( $_comments );
if ( empty( $parsed_args['walker'] ) ) {
$walker = new Walker_Comment;
} else {
$walker = $parsed_args['walker'];
}
$output = $walker->paged_walk( $_comments, $parsed_args['max_depth'], $parsed_args['page'], $parsed_args['per_page'], $parsed_args );
$in_comment_loop = false;
if ( $parsed_args['echo'] ) {
echo $output;
} else {
return $output;
}
}
/**
* Outputs a complete commenting form for use within a template.
*
* Most strings and form fields may be controlled through the `$args` array passed
* into the function, while you may also choose to use the {@see 'comment_form_default_fields'}
* filter to modify the array of default fields if you'd just like to add a new
* one or remove a single field. All fields are also individually passed through
* a filter of the {@see 'comment_form_field_$name'} where `$name` is the key used
* in the array of fields.
*
* @since 3.0.0
* @since 4.1.0 Introduced the 'class_submit' argument.
* @since 4.2.0 Introduced the 'submit_button' and 'submit_fields' arguments.
* @since 4.4.0 Introduced the 'class_form', 'title_reply_before', 'title_reply_after',
* 'cancel_reply_before', and 'cancel_reply_after' arguments.
* @since 4.5.0 The 'author', 'email', and 'url' form fields are limited to 245, 100,
* and 200 characters, respectively.
* @since 4.6.0 Introduced the 'action' argument.
* @since 4.9.6 Introduced the 'cookies' default comment field.
* @since 5.5.0 Introduced the 'class_container' argument.
*
* @param array $args {
* Optional. Default arguments and form fields to override.
*
* @type array $fields {
* Default comment fields, filterable by default via the {@see 'comment_form_default_fields'} hook.
*
* @type string $author Comment author field HTML.
* @type string $email Comment author email field HTML.
* @type string $url Comment author URL field HTML.
* @type string $cookies Comment cookie opt-in field HTML.
* }
* @type string $comment_field The comment textarea field HTML.
* @type string $must_log_in HTML element for a 'must be logged in to comment' message.
* @type string $logged_in_as The HTML for the 'logged in as [user]' message, the Edit profile link,
* and the Log out link.
* @type string $comment_notes_before HTML element for a message displayed before the comment fields
* if the user is not logged in.
* Default 'Your email address will not be published.'.
* @type string $comment_notes_after HTML element for a message displayed after the textarea field.
* @type string $action The comment form element action attribute. Default '/wp-comments-post.php'.
* @type string $id_form The comment form element id attribute. Default 'commentform'.
* @type string $id_submit The comment submit element id attribute. Default 'submit'.
* @type string $class_container The comment form container class attribute. Default 'comment-respond'.
* @type string $class_form The comment form element class attribute. Default 'comment-form'.
* @type string $class_submit The comment submit element class attribute. Default 'submit'.
* @type string $name_submit The comment submit element name attribute. Default 'submit'.
* @type string $title_reply The translatable 'reply' button label. Default 'Leave a Reply'.
* @type string $title_reply_to The translatable 'reply-to' button label. Default 'Leave a Reply to %s',
* where %s is the author of the comment being replied to.
* @type string $title_reply_before HTML displayed before the comment form title.
* Default: '<h3 id="reply-title" class="comment-reply-title">'.
* @type string $title_reply_after HTML displayed after the comment form title.
* Default: '</h3>'.
* @type string $cancel_reply_before HTML displayed before the cancel reply link.
* @type string $cancel_reply_after HTML displayed after the cancel reply link.
* @type string $cancel_reply_link The translatable 'cancel reply' button label. Default 'Cancel reply'.
* @type string $label_submit The translatable 'submit' button label. Default 'Post a comment'.
* @type string $submit_button HTML format for the Submit button.
* Default: '<input name="%1$s" type="submit" id="%2$s" class="%3$s" value="%4$s" />'.
* @type string $submit_field HTML format for the markup surrounding the Submit button and comment hidden
* fields. Default: '<p class="form-submit">%1$s %2$s</p>', where %1$s is the
* submit button markup and %2$s is the comment hidden fields.
* @type string $format The comment form format. Default 'xhtml'. Accepts 'xhtml', 'html5'.
* }
* @param int|WP_Post $post Post ID or WP_Post object to generate the form for. Default current post.
*/
function comment_form( $args = array(), $post = null ) {
$post = get_post( $post );
// Exit the function if the post is invalid or comments are closed.
if ( ! $post || ! comments_open( $post ) ) {
/**
* Fires after the comment form if comments are closed.
*
* For backward compatibility, this action also fires if comment_form()
* is called with an invalid post object or ID.
*
* @since 3.0.0
*/
do_action( 'comment_form_comments_closed' );
return;
}
$post_id = $post->ID;
$commenter = wp_get_current_commenter();
$user = wp_get_current_user();
$user_identity = $user->exists() ? $user->display_name : '';
$args = wp_parse_args( $args );
if ( ! isset( $args['format'] ) ) {
$args['format'] = current_theme_supports( 'html5', 'comment-form' ) ? 'html5' : 'xhtml';
}
$req = get_option( 'require_name_email' );
$html5 = 'html5' === $args['format'];
// Define attributes in HTML5 or XHTML syntax.
$required_attribute = ( $html5 ? ' required' : ' required="required"' );
$checked_attribute = ( $html5 ? ' checked' : ' checked="checked"' );
// Identify required fields visually and create a message about the indicator.
$required_indicator = ' ' . wp_required_field_indicator();
$required_text = ' ' . wp_required_field_message();
$fields = array(
'author' => sprintf(
'<p class="comment-form-author">%s %s</p>',
sprintf(
'<label for="author">%s%s</label>',
__( 'Name' ),
( $req ? $required_indicator : '' )
),
sprintf(
'<input id="author" name="author" type="text" value="%s" size="30" maxlength="245" autocomplete="name"%s />',
esc_attr( $commenter['comment_author'] ),
( $req ? $required_attribute : '' )
)
),
'email' => sprintf(
'<p class="comment-form-email">%s %s</p>',
sprintf(
'<label for="email">%s%s</label>',
__( 'Email' ),
( $req ? $required_indicator : '' )
),
sprintf(
'<input id="email" name="email" %s value="%s" size="30" maxlength="100" aria-describedby="email-notes" autocomplete="email"%s />',
( $html5 ? 'type="email"' : 'type="text"' ),
esc_attr( $commenter['comment_author_email'] ),
( $req ? $required_attribute : '' )
)
),
'url' => sprintf(
'<p class="comment-form-url">%s %s</p>',
sprintf(
'<label for="url">%s</label>',
__( 'Website' )
),
sprintf(
'<input id="url" name="url" %s value="%s" size="30" maxlength="200" autocomplete="url" />',
( $html5 ? 'type="url"' : 'type="text"' ),
esc_attr( $commenter['comment_author_url'] )
)
),
);
if ( has_action( 'set_comment_cookies', 'wp_set_comment_cookies' ) && get_option( 'show_comments_cookies_opt_in' ) ) {
$consent = empty( $commenter['comment_author_email'] ) ? '' : $checked_attribute;
$fields['cookies'] = sprintf(
'<p class="comment-form-cookies-consent">%s %s</p>',
sprintf(
'<input id="wp-comment-cookies-consent" name="wp-comment-cookies-consent" type="checkbox" value="yes"%s />',
$consent
),
sprintf(
'<label for="wp-comment-cookies-consent">%s</label>',
__( 'Save my name, email, and website in this browser for the next time I comment.' )
)
);
// Ensure that the passed fields include cookies consent.
if ( isset( $args['fields'] ) && ! isset( $args['fields']['cookies'] ) ) {
$args['fields']['cookies'] = $fields['cookies'];
}
}
/**
* Filters the default comment form fields.
*
* @since 3.0.0
*
* @param string[] $fields Array of the default comment fields.
*/
$fields = apply_filters( 'comment_form_default_fields', $fields );
$defaults = array(
'fields' => $fields,
'comment_field' => sprintf(
'<p class="comment-form-comment">%s %s</p>',
sprintf(
'<label for="comment">%s%s</label>',
_x( 'Comment', 'noun' ),
$required_indicator
),
'<textarea id="comment" name="comment" cols="45" rows="8" maxlength="65525"' . $required_attribute . '></textarea>'
),
'must_log_in' => sprintf(
'<p class="must-log-in">%s</p>',
sprintf(
/* translators: %s: Login URL. */
__( 'You must be <a href="%s">logged in</a> to post a comment.' ),
/** This filter is documented in wp-includes/link-template.php */
wp_login_url( apply_filters( 'the_permalink', get_permalink( $post_id ), $post_id ) )
)
),
'logged_in_as' => sprintf(
'<p class="logged-in-as">%s%s</p>',
sprintf(
/* translators: 1: User name, 2: Edit user link, 3: Logout URL. */
__( 'Logged in as %1$s. <a href="%2$s">Edit your profile</a>. <a href="%3$s">Log out?</a>' ),
$user_identity,
get_edit_user_link(),
/** This filter is documented in wp-includes/link-template.php */
wp_logout_url( apply_filters( 'the_permalink', get_permalink( $post_id ), $post_id ) )
),
$required_text
),
'comment_notes_before' => sprintf(
'<p class="comment-notes">%s%s</p>',
sprintf(
'<span id="email-notes">%s</span>',
__( 'Your email address will not be published.' )
),
$required_text
),
'comment_notes_after' => '',
'action' => site_url( '/wp-comments-post.php' ),
'id_form' => 'commentform',
'id_submit' => 'submit',
'class_container' => 'comment-respond',
'class_form' => 'comment-form',
'class_submit' => 'submit',
'name_submit' => 'submit',
'title_reply' => __( 'Leave a Reply' ),
/* translators: %s: Author of the comment being replied to. */
'title_reply_to' => __( 'Leave a Reply to %s' ),
'title_reply_before' => '<h3 id="reply-title" class="comment-reply-title">',
'title_reply_after' => '</h3>',
'cancel_reply_before' => ' <small>',
'cancel_reply_after' => '</small>',
'cancel_reply_link' => __( 'Cancel reply' ),
'label_submit' => __( 'Post Comment' ),
'submit_button' => '<input name="%1$s" type="submit" id="%2$s" class="%3$s" value="%4$s" />',
'submit_field' => '<p class="form-submit">%1$s %2$s</p>',
'format' => 'xhtml',
);
/**
* Filters the comment form default arguments.
*
* Use {@see 'comment_form_default_fields'} to filter the comment fields.
*
* @since 3.0.0
*
* @param array $defaults The default comment form arguments.
*/
$args = wp_parse_args( $args, apply_filters( 'comment_form_defaults', $defaults ) );
// Ensure that the filtered arguments contain all required default values.
$args = array_merge( $defaults, $args );
// Remove `aria-describedby` from the email field if there's no associated description.
if ( isset( $args['fields']['email'] ) && false === strpos( $args['comment_notes_before'], 'id="email-notes"' ) ) {
$args['fields']['email'] = str_replace(
' aria-describedby="email-notes"',
'',
$args['fields']['email']
);
}
/**
* Fires before the comment form.
*
* @since 3.0.0
*/
do_action( 'comment_form_before' );
?>
<div id="respond" class="<?php echo esc_attr( $args['class_container'] ); ?>">
<?php
echo $args['title_reply_before'];
comment_form_title( $args['title_reply'], $args['title_reply_to'] );
if ( get_option( 'thread_comments' ) ) {
echo $args['cancel_reply_before'];
cancel_comment_reply_link( $args['cancel_reply_link'] );
echo $args['cancel_reply_after'];
}
echo $args['title_reply_after'];
if ( get_option( 'comment_registration' ) && ! is_user_logged_in() ) :
echo $args['must_log_in'];
/**
* Fires after the HTML-formatted 'must log in after' message in the comment form.
*
* @since 3.0.0
*/
do_action( 'comment_form_must_log_in_after' );
else :
printf(
'<form action="%s" method="post" id="%s" class="%s"%s>',
esc_url( $args['action'] ),
esc_attr( $args['id_form'] ),
esc_attr( $args['class_form'] ),
( $html5 ? ' novalidate' : '' )
);
/**
* Fires at the top of the comment form, inside the form tag.
*
* @since 3.0.0
*/
do_action( 'comment_form_top' );
if ( is_user_logged_in() ) :
/**
* Filters the 'logged in' message for the comment form for display.
*
* @since 3.0.0
*
* @param string $args_logged_in The HTML for the 'logged in as [user]' message,
* the Edit profile link, and the Log out link.
* @param array $commenter An array containing the comment author's
* username, email, and URL.
* @param string $user_identity If the commenter is a registered user,
* the display name, blank otherwise.
*/
echo apply_filters( 'comment_form_logged_in', $args['logged_in_as'], $commenter, $user_identity );
/**
* Fires after the is_user_logged_in() check in the comment form.
*
* @since 3.0.0
*
* @param array $commenter An array containing the comment author's
* username, email, and URL.
* @param string $user_identity If the commenter is a registered user,
* the display name, blank otherwise.
*/
do_action( 'comment_form_logged_in_after', $commenter, $user_identity );
else :
echo $args['comment_notes_before'];
endif;
// Prepare an array of all fields, including the textarea.
$comment_fields = array( 'comment' => $args['comment_field'] ) + (array) $args['fields'];
/**
* Filters the comment form fields, including the textarea.
*
* @since 4.4.0
*
* @param array $comment_fields The comment fields.
*/
$comment_fields = apply_filters( 'comment_form_fields', $comment_fields );
// Get an array of field names, excluding the textarea.
$comment_field_keys = array_diff( array_keys( $comment_fields ), array( 'comment' ) );
// Get the first and the last field name, excluding the textarea.
$first_field = reset( $comment_field_keys );
$last_field = end( $comment_field_keys );
foreach ( $comment_fields as $name => $field ) {
if ( 'comment' === $name ) {
/**
* Filters the content of the comment textarea field for display.
*
* @since 3.0.0
*
* @param string $args_comment_field The content of the comment textarea field.
*/
echo apply_filters( 'comment_form_field_comment', $field );
echo $args['comment_notes_after'];
} elseif ( ! is_user_logged_in() ) {
if ( $first_field === $name ) {
/**
* Fires before the comment fields in the comment form, excluding the textarea.
*
* @since 3.0.0
*/
do_action( 'comment_form_before_fields' );
}
/**
* Filters a comment form field for display.
*
* The dynamic portion of the hook name, `$name`, refers to the name
* of the comment form field.
*
* Possible hook names include:
*
* - `comment_form_field_comment`
* - `comment_form_field_author`
* - `comment_form_field_email`
* - `comment_form_field_url`
* - `comment_form_field_cookies`
*
* @since 3.0.0
*
* @param string $field The HTML-formatted output of the comment form field.
*/
echo apply_filters( "comment_form_field_{$name}", $field ) . "\n";
if ( $last_field === $name ) {
/**
* Fires after the comment fields in the comment form, excluding the textarea.
*
* @since 3.0.0
*/
do_action( 'comment_form_after_fields' );
}
}
}
$submit_button = sprintf(
$args['submit_button'],
esc_attr( $args['name_submit'] ),
esc_attr( $args['id_submit'] ),
esc_attr( $args['class_submit'] ),
esc_attr( $args['label_submit'] )
);
/**
* Filters the submit button for the comment form to display.
*
* @since 4.2.0
*
* @param string $submit_button HTML markup for the submit button.
* @param array $args Arguments passed to comment_form().
*/
$submit_button = apply_filters( 'comment_form_submit_button', $submit_button, $args );
$submit_field = sprintf(
$args['submit_field'],
$submit_button,
get_comment_id_fields( $post_id )
);
/**
* Filters the submit field for the comment form to display.
*
* The submit field includes the submit button, hidden fields for the
* comment form, and any wrapper markup.
*
* @since 4.2.0
*
* @param string $submit_field HTML markup for the submit field.
* @param array $args Arguments passed to comment_form().
*/
echo apply_filters( 'comment_form_submit_field', $submit_field, $args );
/**
* Fires at the bottom of the comment form, inside the closing form tag.
*
* @since 1.5.0
*
* @param int $post_id The post ID.
*/
do_action( 'comment_form', $post_id );
echo '</form>';
endif;
?>
</div><!-- #respond -->
<?php
/**
* Fires after the comment form.
*
* @since 3.0.0
*/
do_action( 'comment_form_after' );
}