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comment-template.php
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2458 lines (2213 loc) · 85.1 KB
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<?php
/**
* Comment template functions
*
* These functions are meant to live inside of the WordPress loop.
*
* @package WordPress
* @subpackage Template
*/
/**
* Retrieve 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 );
if ( empty( $comment->comment_author ) ) {
if ( $comment->user_id && $user = get_userdata( $comment->user_id ) )
$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 int $comment_ID The comment ID.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_author', $author, $comment->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 int $comment_ID The comment ID.
*/
echo apply_filters( 'comment_author', $author, $comment->comment_ID );
}
/**
* Retrieve the email of the author of the current comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$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 int $comment_ID The comment ID.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_author_email', $comment->comment_author_email, $comment->comment_ID, $comment );
}
/**
* Display the email of the author of the current global $comment.
*
* Care should be taken to protect the email address and assure that email
* harvesters do not capture your commentors' email address. Most assume that
* their email address will not appear in raw form on the site. Doing so will
* enable anyone, including those that people don't want to get the email
* address and use it for their own means good and bad.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$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 int $comment_ID The comment ID.
*/
echo apply_filters( 'author_email', $author_email, $comment->comment_ID );
}
/**
* Display the html email link to the author of the current comment.
*
* Care should be taken to protect the email address and assure that email
* harvesters do not capture your commentors' email address. Most assume that
* their email address will not appear in raw form on the site. Doing so will
* enable anyone, including those that people don't want to get the email
* address and use it for their own means good and bad.
*
* @since 0.71
* @since 4.6.0 Added the `$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 ) {
if ( $link = get_comment_author_email_link( $linktext, $before, $after, $comment ) ) {
echo $link;
}
}
/**
* Return the html email link to the author of the current comment.
*
* Care should be taken to protect the email address and assure that email
* harvesters do not capture your commentors' email address. Most assume that
* their email address will not appear in raw form on the site. Doing so will
* enable anyone, including those that people don't want to get the email
* address and use it for their own means good and bad.
*
* @since 2.7.0
* @since 4.6.0 Added the `$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 '';
}
}
/**
* Retrieve 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' 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 int $comment_ID The comment ID.
*/
return apply_filters( 'get_comment_author_link', $return, $author, $comment->comment_ID );
}
/**
* Display the html link to the url of the author of the current comment.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$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( $comment_ID );
}
/**
* Retrieve the IP address of the author of the current comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$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.
*/
function get_comment_author_IP( $comment_ID = 0 ) {
$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.
* @param int $comment_ID The comment ID.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_author_IP', $comment->comment_author_IP, $comment->comment_ID, $comment );
}
/**
* Display the IP address of the author of the current comment.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$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 ) {
echo esc_html( get_comment_author_IP( $comment_ID ) );
}
/**
* Retrieve the url of the author of the current comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$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 URL.
* Default current comment.
* @return string Comment author URL.
*/
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 = $comment->ID;
}
/**
* Filters the comment author's URL.
*
* @since 1.5.0
* @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
*
* @param string $url The comment author's URL.
* @param int $comment_ID The comment ID.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_author_url', $url, $id, $comment );
}
/**
* Display the url of the author of the current comment.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$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 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 int $comment_ID The comment ID.
*/
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|array $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_id Post ID or WP_Post object. Default current post.
* @param bool $echo Optional. Whether to cho or return the output.
* Default true.
* @return string If `$echo` is false, the class will be returned. Void otherwise.
*/
function comment_class( $class = '', $comment = null, $post_id = null, $echo = true ) {
// Separates classes with a single space, collates classes for comment DIV
$class = 'class="' . join( ' ', get_comment_class( $class, $comment, $post_id ) ) . '"';
if ( $echo)
echo $class;
else
return $class;
}
/**
* Returns the classes for the comment div as an array.
*
* @since 2.7.0
* @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
*
* @global int $comment_alt
* @global int $comment_depth
* @global int $comment_thread_alt
*
* @param string|array $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_id Post ID or WP_Post object. Default current post.
* @return array An array of classes.
*/
function get_comment_class( $class = '', $comment_id = null, $post_id = 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.
if ( $comment->user_id > 0 && $user = get_userdata( $comment->user_id ) ) {
$classes[] = 'byuser';
$classes[] = 'comment-author-' . sanitize_html_class( $user->user_nicename, $comment->user_id );
// For comment authors who are the author of the post
if ( $post = get_post($post_id) ) {
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($class) ) {
if ( !is_array( $class ) )
$class = preg_split('#\s+#', $class);
$classes = array_merge($classes, $class);
}
$classes = array_map('esc_attr', $classes);
/**
* Filters the returned CSS classes for the current comment.
*
* @since 2.7.0
*
* @param array $classes An array of comment classes.
* @param string $class A comma-separated list of additional classes added to the list.
* @param int $comment_id The comment id.
* @param WP_Comment $comment The comment object.
* @param int|WP_Post $post_id The post ID or WP_Post object.
*/
return apply_filters( 'comment_class', $classes, $class, $comment->comment_ID, $comment, $post_id );
}
/**
* Retrieve the comment date of the current comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param string $d Optional. The format of the date. Default user's setting.
* @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( $d = '', $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
if ( '' == $d )
$date = mysql2date(get_option('date_format'), $comment->comment_date);
else
$date = mysql2date($d, $comment->comment_date);
/**
* Filters the returned comment date.
*
* @since 1.5.0
*
* @param string|int $date Formatted date string or Unix timestamp.
* @param string $d The format of the date.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_date', $date, $d, $comment );
}
/**
* Display the comment date of the current comment.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @param string $d Optional. The format of the date. Default user's settings.
* @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( $d = '', $comment_ID = 0 ) {
echo get_comment_date( $d, $comment_ID );
}
/**
* Retrieve the excerpt of the current comment.
*
* Will cut each word and only output the first 20 words with '…' at the end.
* If the word count is less than 20, then no truncating is done and no '…'
* will appear.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$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 maybe truncated comment with 20 words or less.
*/
function get_comment_excerpt( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$comment_text = strip_tags( str_replace( array( "\n", "\r" ), ' ', $comment->comment_content ) );
$words = explode( ' ', $comment_text );
/**
* Filters the amount 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', 20 );
$use_ellipsis = count( $words ) > $comment_excerpt_length;
if ( $use_ellipsis ) {
$words = array_slice( $words, 0, $comment_excerpt_length );
}
$excerpt = trim( join( ' ', $words ) );
if ( $use_ellipsis ) {
$excerpt .= '…';
}
/**
* Filters the retrieved comment excerpt.
*
* @since 1.5.0
* @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
*
* @param string $excerpt The comment excerpt text.
* @param int $comment_ID The comment ID.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_excerpt', $excerpt, $comment->comment_ID, $comment );
}
/**
* Display the excerpt of the current comment.
*
* @since 1.2.0
* @since 4.4.0 Added the ability for `$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 int $comment_ID The comment ID.
*/
echo apply_filters( 'comment_excerpt', $comment_excerpt, $comment->comment_ID );
}
/**
* Retrieve the comment id of the current comment.
*
* @since 1.5.0
*
* @return int The comment ID.
*/
function get_comment_ID() {
$comment = get_comment();
/**
* Filters the returned comment ID.
*
* @since 1.5.0
* @since 4.1.0 The `$comment_ID` parameter was added.
*
* @param int $comment_ID The current comment ID.
* @param WP_Comment $comment The comment object.
*/
return apply_filters( 'get_comment_ID', $comment->comment_ID, $comment );
}
/**
* Display the comment id of the current comment.
*
* @since 0.71
*/
function comment_ID() {
echo get_comment_ID();
}
/**
* Retrieve the link to a given comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment` to also accept a WP_Comment object. Added `$cpage` argument.
*
* @see get_page_of_comment()
*
* @global WP_Rewrite $wp_rewrite
* @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_id Optional. Post ID or WP_Post object. Default is global $post.
* @return string The link to the comments.
*/
function get_comments_link( $post_id = 0 ) {
$hash = get_comments_number( $post_id ) ? '#comments' : '#respond';
$comments_link = get_permalink( $post_id ) . $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_id Post ID or WP_Post object.
*/
return apply_filters( 'get_comments_link', $comments_link, $post_id );
}
/**
* Display 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() );
}
/**
* Retrieve the amount of comments a post has.
*
* @since 1.5.0
*
* @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post.
* @return int The number of comments a post has.
*/
function get_comments_number( $post_id = 0 ) {
$post = get_post( $post_id );
if ( ! $post ) {
$count = 0;
} else {
$count = $post->comment_count;
$post_id = $post->ID;
}
/**
* Filters the returned comment count for a post.
*
* @since 1.5.0
*
* @param int $count Number of comments a post has.
* @param int $post_id Post ID.
*/
return apply_filters( 'get_comments_number', $count, $post_id );
}
/**
* Display the language string for the number of comments the current post has.
*
* @since 0.71
*
* @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 string $deprecated Not used.
*/
function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {
if ( ! empty( $deprecated ) ) {
_deprecated_argument( __FUNCTION__, '1.3.0' );
}
echo get_comments_number_text( $zero, $one, $more );
}
/**
* Display the language string for the number of comments the current post has.
*
* @since 4.0.0
*
* @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.
*/
function get_comments_number_text( $zero = false, $one = false, $more = false ) {
$number = get_comments_number();
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 ( $number == 0 ) {
$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, $number );
}
/**
* Retrieve the text of the current comment.
*
* @since 1.5.0
* @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
*
* @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.
* @return string The comment content.
*/
function get_comment_text( $comment_ID = 0, $args = array() ) {
$comment = get_comment( $comment_ID );
/**
* 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->comment_content, $comment, $args );
}
/**
* Display the text of the current comment.
*
* @since 0.71
* @since 4.4.0 Added the ability for `$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. Default empty.
*/
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 $comment The comment object.
* @param array $args An array of arguments.
*/
echo apply_filters( 'comment_text', $comment_text, $comment, $args );
}
/**
* Retrieve the comment time of the current comment.
*