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WordPress/wp-includes/comment-template.php

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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
*
* @param int $comment_ID Optional. 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;
}
/**
* Filter the returned comment author name.
*
* @since 1.5.0
*
* @param string $author The comment author's username.
*/
return apply_filters( 'get_comment_author', $author );
}
/**
* Displays the author of the current comment.
*
* @since 0.71
*
* @param int $comment_ID Optional. The ID of the comment for which to print the author. Default current comment.
*/
function comment_author( $comment_ID = 0 ) {
$author = get_comment_author( $comment_ID );
/**
* Filter the comment author's name for display.
*
* @since 1.2.0
*
* @param string $author The comment author's username.
*/
$author = apply_filters( 'comment_author', $author );
echo $author;
}
/**
* Retrieve the email of the author of the current comment.
*
* @since 1.5.0
*
* @param int $comment_ID Optional. 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 );
/**
* Filter the comment author's returned email address.
*
* @since 1.5.0
*
* @param string $comment_author_email The comment author's email address.
*/
return apply_filters( 'get_comment_author_email', $comment->comment_author_email );
}
/**
* 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 blog. 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
*
* @param int $comment_ID Optional. The ID of the comment for which to print the author's email. Default current comment.
*/
function comment_author_email( $comment_ID = 0 ) {
$author_email = get_comment_author_email( $comment_ID );
/**
* Filter the comment author's email for display.
*
* @since 1.2.0
*
* @param string $author_email The comment author's email address.
*/
echo apply_filters( 'author_email', $author_email );
}
/**
* 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 blog. 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.
*
* @global object $comment The current Comment row object
* @since 0.71
*
* @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.
*/
function comment_author_email_link( $linktext = '', $before = '', $after = '' ) {
if ( $link = get_comment_author_email_link( $linktext, $before, $after ) )
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 blog. 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.
*
* @global object $comment The current Comment row object.
*
* @since 2.7.0
*
* @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.
*/
function get_comment_author_email_link( $linktext = '', $before = '', $after = '' ) {
global $comment;
/**
* Filter 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 commenters' email address.
*
* @since 1.2.0
*
* @param string $comment_author_email The comment author's email address.
*/
$email = apply_filters( 'comment_email', $comment->comment_author_email );
if ((!empty($email)) && ($email != '@')) {
$display = ($linktext != '') ? $linktext : $email;
$return = $before;
$return .= "<a href='mailto:$email'>$display</a>";
$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
*
* @param int $comment_ID 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 ) {
$url = get_comment_author_url( $comment_ID );
$author = get_comment_author( $comment_ID );
if ( empty( $url ) || 'http://' == $url )
$return = $author;
else
$return = "<a href='$url' rel='external nofollow' class='url'>$author</a>";
/**
* Filter the comment author's link for display.
*
* @since 1.5.0
*
* @param string $return The HTML-formatted comment author link.
* Empty for an invalid URL.
*/
return apply_filters( 'get_comment_author_link', $return );
}
/**
* Display the html link to the url of the author of the current comment.
*
* @since 0.71
*
* @see get_comment_author_link() Echoes result
*
* @param int $comment_ID 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
*
* @param int $comment_ID 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 );
/**
* Filter the comment author's returned IP address.
*
* @since 1.5.0
*
* @param string $comment_author_IP The comment author's IP address.
*/
return apply_filters( 'get_comment_author_IP', $comment->comment_author_IP );
}
/**
* Display the IP address of the author of the current comment.
*
* @since 0.71
*
* @param int $comment_ID ID of the comment for which to print the author's IP
* address. Default current comment.
*/
function comment_author_IP( $comment_ID = 0 ) {
echo get_comment_author_IP( $comment_ID );
}
/**
* Retrieve the url of the author of the current comment.
*
* @since 1.5.0
*
* @param int $comment_ID ID of the comment for which to get the author's URL.
* Default current comment.
* @return string
*/
function get_comment_author_url( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$url = ('http://' == $comment->comment_author_url) ? '' : $comment->comment_author_url;
$url = esc_url( $url, array('http', 'https') );
/**
* Filter the comment author's URL.
*
* @since 1.5.0
*
* @param string $url The comment author's URL.
*/
return apply_filters( 'get_comment_author_url', $url );
}
/**
* Display the url of the author of the current comment.
*
* @since 0.71
*
* @param int $comment_ID ID of the comment for which to print the author's URL.
* Default current comment.
*/
function comment_author_url( $comment_ID = 0 ) {
$author_url = get_comment_author_url( $comment_ID );
/**
* Filter the comment author's URL for display.
*
* @since 1.2.0
*
* @param string $author_url The comment author's URL.
*/
echo apply_filters( 'comment_url', $author_url );
}
/**
* 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
*
* @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.
* @return string The HTML link between the $before and $after parameters.
*/
function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
$url = get_comment_author_url();
$display = ($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";
/**
* Filter 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
*
* @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.
*/
function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
echo get_comment_author_url_link( $linktext, $before, $after );
}
/**
* Generates semantic classes for each comment element.
*
* @since 2.7.0
*
* @param string|array $class Optional. One or more classes to add to the class list.
* Default empty.
* @param int $comment_id Comment ID. 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.
*/
function comment_class( $class = '', $comment_id = 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_id, $post_id ) ) . '"';
if ( $echo)
echo $class;
else
return $class;
}
/**
* Returns the classes for the comment div as an array.
*
* @since 2.7.0
*
* @param string|array $class Optional. One or more classes to add to the class list. Default empty.
* @param int $comment_id Comment ID. 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;
$comment = get_comment($comment_id);
$classes = array();
// Get the comment type (comment, trackback),
$classes[] = ( empty( $comment->comment_type ) ) ? 'comment' : $comment->comment_type;
// If the comment author has an id (registered), then print the log in name
if ( $comment->user_id > 0 && $user = get_userdata($comment->user_id) ) {
// For all registered users, 'byuser'
$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);
/**
* Filter 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 int|WP_Post $post_id The post ID or WP_Post object.
*/
return apply_filters( 'comment_class', $classes, $class, $comment_id, $post_id );
}
/**
* Retrieve the comment date of the current comment.
*
* @since 1.5.0
*
* @param string $d Optional. The format of the date. Default user's setting.
* @param int $comment_ID 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);
/**
* Filter 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 object $comment The comment object.
*/
return apply_filters( 'get_comment_date', $date, $d, $comment );
}
/**
* Display the comment date of the current comment.
*
* @since 0.71
*
* @param string $d Optional. The format of the date. Default user's settings.
* @param int $comment_ID 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 '&hellip;' at the end.
* If the word count is less than 20, then no truncating is done and no '&hellip;'
* will appear.
*
* @since 1.5.0
*
* @param int $comment_ID 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 );
$comment_text = strip_tags($comment->comment_content);
$blah = explode(' ', $comment_text);
if (count($blah) > 20) {
$k = 20;
$use_dotdotdot = 1;
} else {
$k = count($blah);
$use_dotdotdot = 0;
}
$excerpt = '';
for ($i=0; $i<$k; $i++) {
$excerpt .= $blah[$i] . ' ';
}
$excerpt .= ($use_dotdotdot) ? '&hellip;' : '';
return apply_filters('get_comment_excerpt', $excerpt);
}
/**
* Display the excerpt of the current comment.
*
* @since 1.2.0
*
* @param int $comment_ID ID of the comment for which to print the excerpt.
* Default current comment.
*/
function comment_excerpt( $comment_ID = 0 ) {
$comment_excerpt = get_comment_excerpt($comment_ID);
/**
* Filter the comment excerpt for display.
*
* @since 1.2.0
*
* @param string $comment_excerpt The comment excerpt text.
*/
echo apply_filters( 'comment_excerpt', $comment_excerpt );
}
/**
* Retrieve the comment id of the current comment.
*
* @since 1.5.0
*
* @return int The comment ID.
*/
function get_comment_ID() {
global $comment;
/**
* Filter the returned comment ID.
*
* @since 1.5.0
*
* @param int $comment_ID The current comment ID.
*/
return apply_filters( 'get_comment_ID', $comment->comment_ID );
}
/**
* 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
*
* @see get_page_of_comment()
*
* @param mixed $comment Comment to retrieve. Default current comment.
* @param array $args Optional. An array of arguments to override the defaults.
* @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);
// Backwards compat
if ( ! is_array( $args ) ) {
$args = array( 'page' => $args );
}
$defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
$args = wp_parse_args( $args, $defaults );
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;
}
if ( $args['per_page'] ) {
if ( '' == $args['page'] )
$args['page'] = ( !empty($in_comment_loop) ) ? get_query_var('cpage') : get_page_of_comment( $comment->comment_ID, $args );
if ( $wp_rewrite->using_permalinks() )
$link = user_trailingslashit( trailingslashit( get_permalink( $comment->comment_post_ID ) ) . 'comment-page-' . $args['page'], 'comment' );
else
$link = add_query_arg( 'cpage', $args['page'], get_permalink( $comment->comment_post_ID ) );
} else {
$link = get_permalink( $comment->comment_post_ID );
}
$link = $link . '#comment-' . $comment->comment_ID;
/**
* Filter the returned single comment permalink.
*
* @since 2.8.0
*
* @see get_page_of_comment()
*
* @param string $link The comment permalink with '#comment-$id' appended.
* @param object $comment The current comment object.
* @param array $args An array of arguments to override the defaults.
*/
return apply_filters( 'get_comment_link', $link, $comment, $args );
}
/**
* Retrieve the link to the current post comments.
*
* @since 1.5.0
*
* @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.
* @return string The link to the comments.
*/
function get_comments_link( $post_id = 0 ) {
$comments_link = get_permalink( $post_id ) . '#comments';
/**
* Filter the returned post comments permalink.
*
* @since
*
* @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 bool $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' );
echo esc_url( get_comments_link() );
}
/**
* Retrieve the amount of comments a post has.
*
* @since 1.5.0
*
* @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.
* @return int The number of comments a post has.
*/
function get_comments_number( $post_id = 0 ) {
$post_id = absint( $post_id );
if ( !$post_id )
$post_id = get_the_ID();
$post = get_post($post_id);
if ( ! isset($post->comment_count) )
$count = 0;
else
$count = $post->comment_count;
/**
* Filter the returned comment count for a post.
*
* @since 1.5.0
*
* @param int $count Nnumber of comments a post has.
* @param int|WP_Post $post_id Post ID or WP_Post object.
*/
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' );
$number = get_comments_number();
if ( $number > 1 )
$output = str_replace('%', number_format_i18n($number), ( false === $more ) ? __('% Comments') : $more);
elseif ( $number == 0 )
$output = ( false === $zero ) ? __('No Comments') : $zero;
else // must be one
$output = ( false === $one ) ? __('1 Comment') : $one;
/**
* Filter 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.
*/
echo apply_filters( 'comments_number', $output, $number );
}
/**
* Retrieve the text of the current comment.
*
* @since 1.5.0
*
* @see Walker_Comment::comment()
*
* @param int $comment_ID 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 );
/**
* Filter the text of a comment.
*
* @since 1.5.0
*
* @see Walker_Comment::comment()
*
* @param string $comment_content Text of the comment.
* @param object $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
*
* @see Walker_Comment::comment()
*
* @param int $comment_ID ID of the comment for which to print the text. Default 0.
* @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_ID , $args );
/**
* Filter 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 object $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.
*
* @since 1.5.0
*
* @param string $d Optional. The format of the time. Default user's settings.
* @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( $d = '', $gmt = false, $translate = true ) {
global $comment;
$comment_date = $gmt ? $comment->comment_date_gmt : $comment->comment_date;
if ( '' == $d )
$date = mysql2date(get_option('time_format'), $comment_date, $translate);
else
$date = mysql2date($d, $comment_date, $translate);
/**
* Filter 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 $d Date format.
* @param bool $gmt Whether the GMT date is in use.
* @param bool $translate Whether the time is translated.
* @param object $comment The comment object.
*/
return apply_filters( 'get_comment_time', $date, $d, $gmt, $translate, $comment );
}
/**
* Display the comment time of the current comment.
*
* @since 0.71
*
* @param string $d Optional. The format of the time. Default user's settings.
*/
function comment_time( $d = '' ) {
echo get_comment_time($d);
}
/**
* Retrieve the comment type of the current comment.
*
* @since 1.5.0
*
* @param int $comment_ID 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';
/**
* Filter the returned comment type.
*
* @since 1.5.0
*
* @param string $comment_type The type of comment, such as 'comment', 'pingback', or 'trackback'.
*/
return apply_filters( 'get_comment_type', $comment->comment_type );
}
/**
* Display the comment type of the current comment.
*
* @since 0.71
*
* @param string $commenttxt Optional. String to display for comment type. Default false.
* @param string $trackbacktxt Optional. String to display for trackback type. Default false.
* @param string $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;
}
}
/**
* Retrieve 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') )
$tb_url = trailingslashit(get_permalink()) . user_trailingslashit('trackback', 'single_trackback');
else
$tb_url = get_option('siteurl') . '/wp-trackback.php?p=' . get_the_ID();
/**
* Filter the returned trackback URL.
*
* @since 2.2.0
*
* @param string $tb_url The trackback URL.
*/
return apply_filters( 'trackback_url', $tb_url );
}
/**
* Display 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 ( $deprecated_echo !== true )
_deprecated_argument( __FUNCTION__, '2.5', __('Use <code>get_trackback_url()</code> instead if you do not want the value echoed.') );
if ( $deprecated_echo )
echo get_trackback_url();
else
return get_trackback_url();
}
/**
* Generate and display 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 $deprecated Not used (Was $timezone = 0).
*/
function trackback_rdf( $deprecated = '' ) {
if ( ! empty( $deprecated ) ) {
_deprecated_argument( __FUNCTION__, '2.5' );
}
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('--', '&#x2d;&#x2d;', wptexturize(strip_tags(get_the_title()))).'"'."\n";
echo ' trackback:ping="'.get_trackback_url().'"'." />\n";
echo '</rdf:RDF>';
}
/**
* Whether the current post is open for comments.
*
* @since 1.5.0
*
* @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.
* @return bool True if the comments are open.
*/
function comments_open( $post_id = null ) {
$_post = get_post($post_id);
$open = ( 'open' == $_post->comment_status );
/**
* Filter whether the current post is open for comments.
*
* @since
*
* @param bool $open Whether the current post is open for comments.
* @param int|WP_Post $post_id The post ID or WP_Post object.
*/
return apply_filters( 'comments_open', $open, $post_id );
}
/**
* Whether the current post is open for pings.
*
* @since 1.5.0
*
* @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.
* @return bool True if pings are accepted
*/
function pings_open( $post_id = null ) {
$_post = get_post($post_id);
$open = ( 'open' == $_post->ping_status );
return apply_filters( 'pings_open', $open, $post_id );
}
/**
* Display 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";
}
}
/**
* Load 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 'comments_array' filter hook with the list of comments
* and the post ID respectively.
*
* The $file path is passed through a filter hook called, '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.
*
* @todo Document globals
* @uses $withcomments Will not try to get the comments if the post has none.
*
* @since 1.5.0
*
* @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.
* @return null Returns null if no comments appear.
*/
function comments_template( $file = '/comments.php', $separate_comments = false ) {
global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $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.
* Uuses wp_get_current_commenter().
*/
$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']);
/** @todo Use API instead of SELECTs. */
if ( $user_ID) {
$comments = $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND (comment_approved = '1' OR ( user_id = %d AND comment_approved = '0' ) ) ORDER BY comment_date_gmt", $post->ID, $user_ID));
} else if ( empty($comment_author) ) {
$comments = get_comments( array('post_id' => $post->ID, 'status' => 'approve', 'order' => 'ASC') );
} else {
$comments = $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND ( comment_approved = '1' OR ( comment_author = %s AND comment_author_email = %s AND comment_approved = '0' ) ) ORDER BY comment_date_gmt", $post->ID, wp_specialchars_decode($comment_author,ENT_QUOTES), $comment_author_email));
}
/**
* Filter 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, $post->ID );
$comments = &$wp_query->comments;
$wp_query->comment_count = count($wp_query->comments);
update_comment_cache($wp_query->comments);
if ( $separate_comments ) {
$wp_query->comments_by_type = separate_comments($comments);
$comments_by_type = &$wp_query->comments_by_type;
}
$overridden_cpage = false;
if ( '' == get_query_var('cpage') && get_option('page_comments') ) {
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;
/**
* Filter 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');
}
/**
* Display the JS popup script to show a comment.
*
* If the $file parameter is empty, then the home page is assumed. The defaults
* for the window are 400px by 400px.
*
* For the comment link popup to work, this function has to be called or the
* normal comment link will be assumed.
*
* @global string $wpcommentspopupfile The URL to use for the popup window.
* @global int $wpcommentsjavascript Whether to use JavaScript. Set when function is called.
*
* @since 0.71
*
* @param int $width Optional. The width of the popup window. Default 400.
* @param int $height Optional. The height of the popup window. Default 400.
* @param string $file Optional. Sets the location of the popup window.
*/
function comments_popup_script( $width = 400, $height = 400, $file = '' ) {
global $wpcommentspopupfile, $wpcommentsjavascript;
if (empty ($file)) {
$wpcommentspopupfile = ''; // Use the index.
} else {
$wpcommentspopupfile = $file;
}
$wpcommentsjavascript = 1;
$javascript = "<script type='text/javascript'>\nfunction wpopen (macagna) {\n window.open(macagna, '_blank', 'width=$width,height=$height,scrollbars=yes,status=yes');\n}\n</script>\n";
echo $javascript;
}
/**
* Displays the link to the comments popup window for the current post ID.
*
* Is not meant to be displayed on single posts and pages. Should be used
* on the lists of posts
*
* @global string $wpcommentspopupfile The URL to use for the popup window.
* @global int $wpcommentsjavascript Whether to use JavaScript. Set when function is called.
*
* @since 0.71
*
* @param string $zero Optional. String to display when no comments. Default false.
* @param string $one Optional. String to display when only one comment is available.
* Default false.
* @param 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 string $none Optional. String to display when comments have been turned off.
* Default false.
* @return null Returns null on single posts and pages.
*/
function comments_popup_link( $zero = false, $one = false, $more = false, $css_class = '', $none = false ) {
global $wpcommentspopupfile, $wpcommentsjavascript;
$id = get_the_ID();
if ( false === $zero ) $zero = __( 'No Comments' );
if ( false === $one ) $one = __( '1 Comment' );
if ( false === $more ) $more = __( '% Comments' );
if ( false === $none ) $none = __( 'Comments Off' );
$number = get_comments_number( $id );
if ( 0 == $number && !comments_open() && !pings_open() ) {
echo '<span' . ((!empty($css_class)) ? ' class="' . esc_attr( $css_class ) . '"' : '') . '>' . $none . '</span>';
return;
}
if ( post_password_required() ) {
echo __('Enter your password to view comments.');
return;
}
echo '<a href="';
if ( $wpcommentsjavascript ) {
if ( empty( $wpcommentspopupfile ) )
$home = home_url();
else
$home = get_option('siteurl');
echo $home . '/' . $wpcommentspopupfile . '?comments_popup=' . $id;
echo '" onclick="wpopen(this.href); return false"';
} else { // if comments_popup_script() is not in the template, display simple comment link
if ( 0 == $number )
echo get_permalink() . '#respond';
else
comments_link();
echo '"';
}
if ( !empty( $css_class ) ) {
echo ' class="'.$css_class.'" ';
}
$title = the_title_attribute( array('echo' => 0 ) );
$attributes = '';
/**
* Filter the comments popup link attributes for display.
*
* @since 2.5.0
*
* @param string $attributes The comments popup link attributes. Default empty.
*/
echo apply_filters( 'comments_popup_link_attributes', $attributes );
echo ' title="' . esc_attr( sprintf( __('Comment on %s'), $title ) ) . '">';
comments_number( $zero, $one, $more );
echo '</a>';
}
/**
* Retrieve HTML content for reply to comment 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 '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 $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 $comment Comment being replied to. Default current comment.
* @param int|WP_Post $post Post ID or WP_Post object the comment is going to be displayed on.
* Default current post.
* @return mixed Link to show comment form, if successful. False, if comments are closed.
*/
function get_comment_reply_link($args = array(), $comment = null, $post = null) {
$defaults = array(
'add_below' => 'comment',
'respond_id' => 'respond',
'reply_text' => __('Reply'),
'login_text' => __('Log in to Reply'),
'depth' => 0,
'before' => '',
'after' => ''
);
$args = wp_parse_args($args, $defaults);
if ( 0 == $args['depth'] || $args['max_depth'] <= $args['depth'] )
return;
extract($args, EXTR_SKIP);
$comment = get_comment($comment);
if ( empty($post) )
$post = $comment->comment_post_ID;
$post = get_post($post);
if ( !comments_open($post->ID) )
return false;
$link = '';
if ( get_option('comment_registration') && ! is_user_logged_in() )
$link = '<a rel="nofollow" class="comment-reply-login" href="' . esc_url( wp_login_url( get_permalink() ) ) . '">' . $login_text . '</a>';
else
$link = "<a class='comment-reply-link' href='" . esc_url( add_query_arg( 'replytocom', $comment->comment_ID ) ) . "#" . $respond_id . "' onclick='return addComment.moveForm(\"$add_below-$comment->comment_ID\", \"$comment->comment_ID\", \"$respond_id\", \"$post->ID\")'>$reply_text</a>";
/**
* Filter 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 object $comment The object of the comment being replied.
* @param WP_Post $post The WP_Post object.
*/
return apply_filters( 'comment_reply_link', $before . $link . $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.
* @param int $comment Comment being replied to. Default current comment.
* @param int|WP_Post $post Post ID or WP_Post object the comment is going to be displayed on.
* Default current post.
* @return mixed Link to show comment form, if successful. False, if comments are closed.
*/
function comment_reply_link($args = array(), $comment = null, $post = null) {
echo get_comment_reply_link($args, $comment, $post);
}
/**
* Retrieve 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 $post Optional. Post ID or WP_Post object the comment is going to be displayed on.
* Default current post.
* @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
*/
function get_post_reply_link($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, $defaults);
extract($args, EXTR_SKIP);
$post = get_post($post);
if ( !comments_open($post->ID) )
return false;
if ( get_option('comment_registration') && ! is_user_logged_in() )
$link = '<a rel="nofollow" href="' . wp_login_url( get_permalink() ) . '">' . $login_text . '</a>';
else
$link = "<a rel='nofollow' class='comment-reply-link' href='" . get_permalink($post->ID) . "#$respond_id' onclick='return addComment.moveForm(\"$add_below-$post->ID\", \"0\", \"$respond_id\", \"$post->ID\")'>$reply_text</a>";
$formatted_link = $before . $link . $after;
/**
* Filter 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,
* @param int|WP_Post $post Post ID or WP_Post object the comment is going to be displayed on.
* Default current post.
* @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
*/
function post_reply_link($args = array(), $post = null) {
echo get_post_reply_link($args, $post);
}
/**
* Retrieve HTML content for cancel comment reply link.
*
* @since 2.7.0
*
* @param string $text Optional. Text to display for cancel reply link. Default empty.
*/
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('replytocom') ) . '#respond';
$formatted_link = '<a rel="nofollow" id="cancel-comment-reply-link" href="' . $link . '"' . $style . '>' . $text . '</a>';
/**
* Filter 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 );
}
/**
* Display HTML content for cancel comment reply link.
*
* @since 2.7.0
*
* @param string $text Optional. Text to display for cancel reply link. Default empty.
*/
function cancel_comment_reply_link( $text = '' ) {
echo get_cancel_comment_reply_link($text);
}
/**
* Retrieve hidden input HTML for replying to comments.
*
* @since 3.0.0
*
* @param int $id Optional. Post ID. Default current post ID.
* @return string Hidden input HTML for replying to comments
*/
function get_comment_id_fields( $id = 0 ) {
if ( empty( $id ) )
$id = get_the_ID();
$replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;
$result = "<input type='hidden' name='comment_post_ID' value='$id' id='comment_post_ID' />\n";
$result .= "<input type='hidden' name='comment_parent' id='comment_parent' value='$replytoid' />\n";
/**
* Filter the returned comment id fields.
*
* @since 3.0.0
*
* @param string $result The HTML-formatted hidden id field comment elements.
* @param int $id The post ID.
* @param int $replytoid The id of the comment being replied to.
*/
return apply_filters( 'comment_id_fields', $result, $id, $replytoid );
}
/**
* Output hidden input HTML for replying to comments.
*
* @since 2.7.0
*
* @param int $id Optional. Post ID. Default current post ID.
*/
function comment_id_fields( $id = 0 ) {
echo get_comment_id_fields( $id );
}
/**
* Display text based on comment reply status.
*
* Only affects users with Javascript disabled.
*
* @since 2.7.0
*
* @param string $noreplytext Optional. Text to display when not replying to a comment.
* Default false.
* @param string $replytext Optional. Text to display when replying to a comment.
* Default false. Accepts "%s" for the author of the comment
* being replied to.
* @param string $linktoparent Optional. Boolean to control making the author's name a link
* to their comment. Default true.
*/
function comment_form_title( $noreplytext = false, $replytext = false, $linktoparent = true ) {
global $comment;
if ( false === $noreplytext ) $noreplytext = __( 'Leave a Reply' );
if ( false === $replytext ) $replytext = __( 'Leave a Reply to %s' );
$replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;
if ( 0 == $replytoid )
echo $noreplytext;
else {
$comment = get_comment($replytoid);
$author = ( $linktoparent ) ? '<a href="#comment-' . get_comment_ID() . '">' . get_comment_author() . '</a>' : get_comment_author();
printf( $replytext, $author );
}
}
/**
* HTML comment list class.
*
* @uses Walker
* @since 2.7.0
*/
class Walker_Comment extends Walker {
/**
* What the class handles.
*
* @see Walker::$tree_type
*
* @since 2.7.0
* @var string
*/
var $tree_type = 'comment';
/**
* DB fields to use.
*
* @see Walker::$db_fields
*
* @since 2.7.0
* @var array
*/
var $db_fields = array ('parent' => 'comment_parent', 'id' => 'comment_ID');
/**
* Start the list before the elements are added.
*
* @see Walker::start_lvl()
*
* @since 2.7.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of comment.
* @param array $args Uses 'style' argument for type of HTML list.
*/
function start_lvl( &$output, $depth = 0, $args = array() ) {
$GLOBALS['comment_depth'] = $depth + 1;
switch ( $args['style'] ) {
case 'div':
break;
case 'ol':
$output .= '<ol class="children">' . "\n";
break;
default:
case 'ul':
$output .= '<ul class="children">' . "\n";
break;
}
}
/**
* End the list of items after the elements are added.
*
* @see Walker::end_lvl()
*
* @since 2.7.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of comment.
* @param array $args Will only append content if style argument value is 'ol' or 'ul'.
*/
function end_lvl( &$output, $depth = 0, $args = array() ) {
$GLOBALS['comment_depth'] = $depth + 1;
switch ( $args['style'] ) {
case 'div':
break;
case 'ol':
$output .= "</ol><!-- .children -->\n";
break;
default:
case 'ul':
$output .= "</ul><!-- .children -->\n";
break;
}
}
/**
* Traverse elements to create list from elements.
*
* This function is designed to enhance Walker::display_element() to
* display children of higher nesting levels than selected inline on
* the highest depth level displayed. This prevents them being orphaned
* at the end of the comment list.
*
* Example: max_depth = 2, with 5 levels of nested content.
* 1
* 1.1
* 1.1.1
* 1.1.1.1
* 1.1.1.1.1
* 1.1.2
* 1.1.2.1
* 2
* 2.2
*
* @see Walker::display_element()
* @see wp_list_comments()
*
* @since 2.7.0
*
* @param object $element Data object.
* @param array $children_elements List of elements to continue traversing.
* @param int $max_depth Max depth to traverse.
* @param int $depth Depth of current element.
* @param array $args An array of arguments.
* @param string $output Passed by reference. Used to append additional content.
* @return null Null on failure with no changes to parameters.
*/
function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
if ( !$element )
return;
$id_field = $this->db_fields['id'];
$id = $element->$id_field;
parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
// If we're at the max depth, and the current element still has children, loop over those and display them at this level
// This is to prevent them being orphaned to the end of the list.
if ( $max_depth <= $depth + 1 && isset( $children_elements[$id]) ) {
foreach ( $children_elements[ $id ] as $child )
$this->display_element( $child, $children_elements, $max_depth, $depth, $args, $output );
unset( $children_elements[ $id ] );
}
}
/**
* Start the element output.
*
* @since 2.7.0
*
* @see Walker::start_el()
* @see wp_list_comments()
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $comment Comment data object.
* @param int $depth Depth of comment in reference to parents.
* @param array $args An array of arguments.
*/
function start_el( &$output, $comment, $depth = 0, $args = array(), $id = 0 ) {
$depth++;
$GLOBALS['comment_depth'] = $depth;
$GLOBALS['comment'] = $comment;
if ( !empty( $args['callback'] ) ) {
ob_start();
call_user_func( $args['callback'], $comment, $args, $depth );
$output .= ob_get_clean();
return;
}
if ( ( 'pingback' == $comment->comment_type || 'trackback' == $comment->comment_type ) && $args['short_ping'] ) {
ob_start();
$this->ping( $comment, $depth, $args );
$output .= ob_get_clean();
} elseif ( 'html5' === $args['format'] ) {
ob_start();
$this->html5_comment( $comment, $depth, $args );
$output .= ob_get_clean();
} else {
ob_start();
$this->comment( $comment, $depth, $args );
$output .= ob_get_clean();
}
}
/**
* Ends the element output, if needed.
*
* @since 2.7.0
*
* @see Walker::end_el()
* @see wp_list_comments()
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $comment The comment object. Default current comment.
* @param int $depth Depth of comment.
* @param array $args An array of arguments.
*/
function end_el( &$output, $comment, $depth = 0, $args = array() ) {
if ( !empty( $args['end-callback'] ) ) {
ob_start();
call_user_func( $args['end-callback'], $comment, $args, $depth );
$output .= ob_get_clean();
return;
}
if ( 'div' == $args['style'] )
$output .= "</div><!-- #comment-## -->\n";
else
$output .= "</li><!-- #comment-## -->\n";
}
/**
* Output a pingback comment.
*
* @access protected
* @since 3.6.0
*
* @see wp_list_comments()
*
* @param object $comment The comment object.
* @param int $depth Depth of comment.
* @param array $args An array of arguments.
*/
protected function ping( $comment, $depth, $args ) {
$tag = ( 'div' == $args['style'] ) ? 'div' : 'li';
?>
<<?php echo $tag; ?> id="comment-<?php comment_ID(); ?>" <?php comment_class(); ?>>
<div class="comment-body">
<?php _e( 'Pingback:' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( 'Edit' ), '<span class="edit-link">', '</span>' ); ?>
</div>
<?php
}
/**
* Output a single comment.
*
* @access protected
* @since 3.6.0
*
* @see wp_list_comments()
*
* @param object $comment Comment to display.
* @param int $depth Depth of comment.
* @param array $args An array of arguments.
*/
protected function comment( $comment, $depth, $args ) {
if ( 'div' == $args['style'] ) {
$tag = 'div';
$add_below = 'comment';
} else {
$tag = 'li';
$add_below = 'div-comment';
}
?>
<<?php echo $tag; ?> <?php comment_class( empty( $args['has_children'] ) ? '' : 'parent' ); ?> id="comment-<?php comment_ID(); ?>">
<?php if ( 'div' != $args['style'] ) : ?>
<div id="div-comment-<?php comment_ID(); ?>" class="comment-body">
<?php endif; ?>
<div class="comment-author vcard">
<?php if ( 0 != $args['avatar_size'] ) echo get_avatar( $comment, $args['avatar_size'] ); ?>
<?php printf( __( '<cite class="fn">%s</cite> <span class="says">says:</span>' ), get_comment_author_link() ); ?>
</div>
<?php if ( '0' == $comment->comment_approved ) : ?>
<em class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.' ) ?></em>
<br />
<?php endif; ?>
<div class="comment-meta commentmetadata"><a href="<?php echo esc_url( get_comment_link( $comment->comment_ID, $args ) ); ?>">
<?php
/* translators: 1: date, 2: time */
printf( __( '%1$s at %2$s' ), get_comment_date(), get_comment_time() ); ?></a><?php edit_comment_link( __( '(Edit)' ), '&nbsp;&nbsp;', '' );
?>
</div>
<?php comment_text( get_comment_id(), array_merge( $args, array( 'add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
<div class="reply">
<?php comment_reply_link( array_merge( $args, array( 'add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
</div>
<?php if ( 'div' != $args['style'] ) : ?>
</div>
<?php endif; ?>
<?php
}
/**
* Output a comment in the HTML5 format.
*
* @access protected
* @since 3.6.0
*
* @see wp_list_comments()
*
* @param object $comment Comment to display.
* @param int $depth Depth of comment.
* @param array $args An array of arguments.
*/
protected function html5_comment( $comment, $depth, $args ) {
$tag = ( 'div' === $args['style'] ) ? 'div' : 'li';
?>
<<?php echo $tag; ?> id="comment-<?php comment_ID(); ?>" <?php comment_class( empty( $args['has_children'] ) ? '' : 'parent' ); ?>>
<article id="div-comment-<?php comment_ID(); ?>" class="comment-body">
<footer class="comment-meta">
<div class="comment-author vcard">
<?php if ( 0 != $args['avatar_size'] ) echo get_avatar( $comment, $args['avatar_size'] ); ?>
<?php printf( __( '%s <span class="says">says:</span>' ), sprintf( '<b class="fn">%s</b>', get_comment_author_link() ) ); ?>
</div><!-- .comment-author -->
<div class="comment-metadata">
<a href="<?php echo esc_url( get_comment_link( $comment->comment_ID, $args ) ); ?>">
<time datetime="<?php comment_time( 'c' ); ?>">
<?php printf( _x( '%1$s at %2$s', '1: date, 2: time' ), get_comment_date(), get_comment_time() ); ?>
</time>
</a>
<?php edit_comment_link( __( 'Edit' ), '<span class="edit-link">', '</span>' ); ?>
</div><!-- .comment-metadata -->
<?php if ( '0' == $comment->comment_approved ) : ?>
<p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.' ); ?></p>
<?php endif; ?>
</footer><!-- .comment-meta -->
<div class="comment-content">
<?php comment_text(); ?>
</div><!-- .comment-content -->
<div class="reply">
<?php comment_reply_link( array_merge( $args, array( 'add_below' => 'div-comment', 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
</div><!-- .reply -->
</article><!-- .comment-body -->
<?php
}
}
/**
* List comments.
*
* Used in the comments.php template to list comments for a particular post.
*
* @since 2.7.0
*
* @see WP_Query->comments
*
* @param string|array $args {
* Optional. Formatting options.
*
* @type string $walker The Walker class used to list comments. Default null.
* @type int $max_depth The maximum comments depth. Default empty.
* @type string $style The style of list ordering. Default 'ul'. Accepts 'ul', 'ol'.
* @type string $callback Callback function to use. Default null.
* @type string $end-callback Callback function to use at the end. Default null.
* @type string $type Type of comments to list.
* Default 'all'. Accepts 'all', 'comment', 'pingback', 'trackback', 'pings'.
* @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 string $reverse_top_level Ordering of the listed comments. Default null. Accepts 'desc', 'asc'.
* @type bool $reverse_children Whether to reverse child comments in the list. Default null.
* @type string $format How to format the comments list.
* Default 'html5' if the theme supports it. Accepts 'html5', 'xhtml'.
* @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 array $comments Optional. Array of comment objects.
*/
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 = $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,
);
$r = wp_parse_args( $args, $defaults );
// Figure out what comments we'll be looping through ($_comments)
if ( null !== $comments ) {
$comments = (array) $comments;
if ( empty($comments) )
return;
if ( 'all' != $r['type'] ) {
$comments_by_type = separate_comments($comments);
if ( empty($comments_by_type[$r['type']]) )
return;
$_comments = $comments_by_type[$r['type']];
} else {
$_comments = $comments;
}
} else {
if ( empty($wp_query->comments) )
return;
if ( 'all' != $r['type'] ) {
if ( empty($wp_query->comments_by_type) )
$wp_query->comments_by_type = separate_comments($wp_query->comments);
if ( empty($wp_query->comments_by_type[$r['type']]) )
return;
$_comments = $wp_query->comments_by_type[$r['type']];
} else {
$_comments = $wp_query->comments;
}
}
if ( '' === $r['per_page'] && get_option('page_comments') )
$r['per_page'] = get_query_var('comments_per_page');
if ( empty($r['per_page']) ) {
$r['per_page'] = 0;
$r['page'] = 0;
}
if ( '' === $r['max_depth'] ) {
if ( get_option('thread_comments') )
$r['max_depth'] = get_option('thread_comments_depth');
else
$r['max_depth'] = -1;
}
if ( '' === $r['page'] ) {
if ( empty($overridden_cpage) ) {
$r['page'] = get_query_var('cpage');
} else {
$threaded = ( -1 != $r['max_depth'] );
$r['page'] = ( 'newest' == get_option('default_comments_page') ) ? get_comment_pages_count($_comments, $r['per_page'], $threaded) : 1;
set_query_var( 'cpage', $r['page'] );
}
}
// Validation check
$r['page'] = intval($r['page']);
if ( 0 == $r['page'] && 0 != $r['per_page'] )
$r['page'] = 1;
if ( null === $r['reverse_top_level'] )
$r['reverse_top_level'] = ( 'desc' == get_option('comment_order') );
extract( $r, EXTR_SKIP );
if ( empty($walker) )
$walker = new Walker_Comment;
$output = $walker->paged_walk($_comments, $max_depth, $page, $per_page, $r);
$wp_query->max_num_comment_pages = $walker->max_pages;
$in_comment_loop = false;
if ( $r['echo'] )
echo $output;
else
return $output;
}
/**
* Output a complete commenting form for use within a template.
*
* Most strings and form fields may be controlled through the $args array passed
* into the function, while you may also choose to use the comment_form_default_fields
* filter to modify the array of default fields if you'd just like to add a new
* one or remove a single field. All fields are also individually passed through
* a filter of the form comment_form_field_$name where $name is the key used
* in the array of fields.
*
* @since 3.0.0
*
* @param array $args {
* Optional. Default arguments and form fields to override.
*
* @type array $fields {
* Default comment fields, filterable by default via the '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 $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 HTML element for a 'logged in as <user>' message.
* @type string $comment_notes_before HTML element for a message displayed before the comment form.
* Default 'Your email address will not be published.'.
* @type string $comment_notes_after HTML element for a message displayed after the comment form.
* Default 'You may use these HTML tags and attributes ...'.
* @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 $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 $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 $format The comment form format. Default 'xhtml'. Accepts 'xhtml', 'html5'.
* }
* @param int|WP_Post $post_id Post ID or WP_Post object to generate the form for. Default current post.
*/
function comment_form( $args = array(), $post_id = null ) {
if ( null === $post_id )
$post_id = get_the_ID();
else
$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' );
$aria_req = ( $req ? " aria-required='true'" : '' );
$html5 = 'html5' === $args['format'];
$fields = array(
'author' => '<p class="comment-form-author">' . '<label for="author">' . __( 'Name' ) . ( $req ? ' <span class="required">*</span>' : '' ) . '</label> ' .
'<input id="author" name="author" type="text" value="' . esc_attr( $commenter['comment_author'] ) . '" size="30"' . $aria_req . ' /></p>',
'email' => '<p class="comment-form-email"><label for="email">' . __( 'Email' ) . ( $req ? ' <span class="required">*</span>' : '' ) . '</label> ' .
'<input id="email" name="email" ' . ( $html5 ? 'type="email"' : 'type="text"' ) . ' value="' . esc_attr( $commenter['comment_author_email'] ) . '" size="30"' . $aria_req . ' /></p>',
'url' => '<p class="comment-form-url"><label for="url">' . __( 'Website' ) . '</label> ' .
'<input id="url" name="url" ' . ( $html5 ? 'type="url"' : 'type="text"' ) . ' value="' . esc_attr( $commenter['comment_author_url'] ) . '" size="30" /></p>',
);
$required_text = sprintf( ' ' . __('Required fields are marked %s'), '<span class="required">*</span>' );
/**
* Filter the default comment form fields.
*
* @since 3.0.0
*
* @param array $fields The default comment fields.
*/
$fields = apply_filters( 'comment_form_default_fields', $fields );
$defaults = array(
'fields' => $fields,
'comment_field' => '<p class="comment-form-comment"><label for="comment">' . _x( 'Comment', 'noun' ) . '</label> <textarea id="comment" name="comment" cols="45" rows="8" aria-required="true"></textarea></p>',
'must_log_in' => '<p class="must-log-in">' . sprintf( __( 'You must be <a href="%s">logged in</a> to post a comment.' ), wp_login_url( apply_filters( 'the_permalink', get_permalink( $post_id ) ) ) ) . '</p>',
'logged_in_as' => '<p class="logged-in-as">' . sprintf( __( 'Logged in as <a href="%1$s">%2$s</a>. <a href="%3$s" title="Log out of this account">Log out?</a>' ), get_edit_user_link(), $user_identity, wp_logout_url( apply_filters( 'the_permalink', get_permalink( $post_id ) ) ) ) . '</p>',
'comment_notes_before' => '<p class="comment-notes">' . __( 'Your email address will not be published.' ) . ( $req ? $required_text : '' ) . '</p>',
'comment_notes_after' => '<p class="form-allowed-tags">' . sprintf( __( 'You may use these <abbr title="HyperText Markup Language">HTML</abbr> tags and attributes: %s' ), ' <code>' . allowed_tags() . '</code>' ) . '</p>',
'id_form' => 'commentform',
'id_submit' => 'submit',
'title_reply' => __( 'Leave a Reply' ),
'title_reply_to' => __( 'Leave a Reply to %s' ),
'cancel_reply_link' => __( 'Cancel reply' ),
'label_submit' => __( 'Post Comment' ),
'format' => 'xhtml',
);
/**
* Filter the comment form default arguments.
*
* Use '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 ) );
?>
<?php if ( comments_open( $post_id ) ) : ?>
<?php
/**
* Fires before the comment form.
*
* @since 3.0.0
*/
do_action( 'comment_form_before' );
?>
<div id="respond" class="comment-respond">
<h3 id="reply-title" class="comment-reply-title"><?php comment_form_title( $args['title_reply'], $args['title_reply_to'] ); ?> <small><?php cancel_comment_reply_link( $args['cancel_reply_link'] ); ?></small></h3>
<?php if ( get_option( 'comment_registration' ) && !is_user_logged_in() ) : ?>
<?php echo $args['must_log_in']; ?>
<?php
/**
* 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' );
?>
<?php else : ?>
<form action="<?php echo site_url( '/wp-comments-post.php' ); ?>" method="post" id="<?php echo esc_attr( $args['id_form'] ); ?>" class="comment-form"<?php echo $html5 ? ' novalidate' : ''; ?>>
<?php
/**
* Fires at the top of the comment form, inside the <form> tag.
*
* @since 3.0.0
*/
do_action( 'comment_form_top' );
?>
<?php if ( is_user_logged_in() ) : ?>
<?php
/**
* Filter the 'logged in' message for the comment form for display.
*
* @since 3.0.0
*
* @param string $args_logged_in The logged-in-as HTML-formatted message.
* @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 );
?>
<?php
/**
* 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 );
?>
<?php else : ?>
<?php echo $args['comment_notes_before']; ?>
<?php
/**
* Fires before the comment fields in the comment form.
*
* @since 3.0.0
*/
do_action( 'comment_form_before_fields' );
foreach ( (array) $args['fields'] as $name => $field ) {
/**
* Filter a comment form field for display.
*
* The dynamic portion of the filter hook, $name, refers to the name
* of the comment form field. Such as 'author', 'email', or 'url'.
*
* @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";
}
/**
* Fires after the comment fields in the comment form.
*
* @since 3.0.0
*/
do_action( 'comment_form_after_fields' );
?>
<?php endif; ?>
<?php
/**
* Filter 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', $args['comment_field'] );
?>
<?php echo $args['comment_notes_after']; ?>
<p class="form-submit">
<input name="submit" type="submit" id="<?php echo esc_attr( $args['id_submit'] ); ?>" value="<?php echo esc_attr( $args['label_submit'] ); ?>" />
<?php comment_id_fields( $post_id ); ?>
</p>
<?php
/**
* 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 );
?>
</form>
<?php endif; ?>
</div><!-- #respond -->
<?php
/**
* Fires after the comment form.
*
* @since 3.0.0
*/
do_action( 'comment_form_after' );
else :
/**
* Fires after the comment form if comments are closed.
*
* @since 3.0.0
*/
do_action( 'comment_form_comments_closed' );
endif;
}
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