WordPress/wp-includes/comment-template.php

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<?php
/*
* Comment template functions.
*/
function get_comment_author() {
global $comment;
if ( empty($comment->comment_author) )
$author = __('Anonymous');
else
$author = $comment->comment_author;
return apply_filters('get_comment_author', $author);
}
function comment_author() {
$author = apply_filters('comment_author', get_comment_author() );
echo $author;
}
function get_comment_author_email() {
global $comment;
return apply_filters('get_comment_author_email', $comment->comment_author_email);
}
function comment_author_email() {
echo apply_filters('author_email', get_comment_author_email() );
}
function comment_author_email_link($linktext='', $before='', $after='') {
global $comment;
$email = apply_filters('comment_email', $comment->comment_author_email);
if ((!empty($email)) && ($email != '@')) {
$display = ($linktext != '') ? $linktext : $email;
echo $before;
echo "<a href='mailto:$email'>$display</a>";
echo $after;
}
}
function get_comment_author_link() {
$url = get_comment_author_url();
$author = get_comment_author();
if ( empty( $url ) || 'http://' == $url )
$return = $author;
else
$return = "<a href='$url' rel='external nofollow'>$author</a>";
return apply_filters('get_comment_author_link', $return);
}
function comment_author_link() {
echo get_comment_author_link();
}
function get_comment_author_IP() {
global $comment;
return apply_filters('get_comment_author_IP', $comment->comment_author_IP);
}
function comment_author_IP() {
echo get_comment_author_IP();
}
function get_comment_author_url() {
global $comment;
return apply_filters('get_comment_author_url', $comment->comment_author_url);
}
function comment_author_url() {
echo apply_filters('comment_url', get_comment_author_url());
}
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";
return apply_filters('get_comment_author_url_link', $return);
}
function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
echo get_comment_author_url_link( $linktext, $before, $after );
}
function get_comment_date( $d = '' ) {
global $comment;
if ( '' == $d )
$date = mysql2date( get_option('date_format'), $comment->comment_date);
else
$date = mysql2date($d, $comment->comment_date);
return apply_filters('get_comment_date', $date, $d);
}
function comment_date( $d = '' ) {
echo get_comment_date( $d );
}
function get_comment_excerpt() {
global $comment;
$comment_text = strip_tags($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) ? '...' : '';
return apply_filters('get_comment_excerpt', $excerpt);
}
function comment_excerpt() {
echo apply_filters('comment_excerpt', get_comment_excerpt() );
}
function get_comment_ID() {
global $comment;
return apply_filters('get_comment_ID', $comment->comment_ID);
}
function comment_ID() {
echo get_comment_ID();
}
function get_comment_link() {
global $comment;
return get_permalink( $comment->comment_post_ID ) . '#comment-' . $comment->comment_ID;
}
function get_comments_link() {
return get_permalink() . '#comments';
}
function comments_link( $file = '', $echo = true ) {
echo get_comments_link();
}
function get_comments_number( $post_id = 0 ) {
$post_id = (int) $post_id;
if ( !$post_id )
$post_id = (int) $id;
$post = get_post($post_id);
if ( ! isset($post->comment_count) )
$count = 0;
else
$count = $post->comment_count;
return apply_filters('get_comments_number', $count);
}
function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {
global $id;
$number = get_comments_number($id);
if ( $number > 1 )
$output = str_replace('%', $number, ( false === $more ) ? __('% Comments') : $more);
elseif ( $number == 0 )
$output = ( false === $zero ) ? __('No Comments') : $zero;
else // must be one
$output = ( false === $one ) ? __('1 Comment') : $one;
echo apply_filters('comments_number', $output, $number);
}
function get_comment_text() {
global $comment;
return apply_filters('get_comment_text', $comment->comment_content);
}
function comment_text() {
echo apply_filters('comment_text', get_comment_text() );
}
function get_comment_time( $d = '', $gmt = false ) {
global $comment;
$comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date;
if ( '' == $d )
$date = mysql2date(get_option('time_format'), $comment_date);
else
$date = mysql2date($d, $comment_date);
return apply_filters('get_comment_time', $date, $d, $gmt);
}
function comment_time( $d = '' ) {
echo get_comment_time($d);
}
function get_comment_type() {
global $comment;
if ( '' == $comment->comment_type )
$comment->comment_type = 'comment';
return apply_filters('get_comment_type', $comment->comment_type);
}
function comment_type($commenttxt = 'Comment', $trackbacktxt = 'Trackback', $pingbacktxt = 'Pingback') {
$type = get_comment_type();
switch( $type ) {
case 'trackback' :
echo $trackbacktxt;
break;
case 'pingback' :
echo $pingbacktxt;
break;
default :
echo $commenttxt;
}
}
function get_trackback_url() {
global $id;
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=' . $id;
}
return apply_filters('trackback_url', $tb_url);
}
function trackback_url($deprecated = true) { // remove backwards compat in 2.4
if ($deprecated) echo get_trackback_url();
else return get_trackback_url();
}
function trackback_rdf($timezone = 0) {
if (stripos($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator') === false) {
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>';
}
}
function comments_open() {
global $post;
if ( 'open' == $post->comment_status )
return true;
else
return false;
}
function pings_open() {
global $post;
if ( 'open' == $post->ping_status )
return true;
else
return false;
}
function wp_comment_form_unfiltered_html_nonce() {
global $post;
if ( current_user_can('unfiltered_html') )
wp_nonce_field('unfiltered-html-comment_' . $post->ID, '_wp_unfiltered_html_comment', false);
}
function comments_template( $file = '/comments.php' ) {
global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity;
if ( ! (is_single() || is_page() || $withcomments) )
return;
$req = get_option('require_name_email');
$commenter = wp_get_current_commenter();
extract($commenter, EXTR_SKIP);
// 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", $post->ID, $user_ID));
} else if ( empty($comment_author) ) {
$comments = $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' ORDER BY comment_date", $post->ID));
} 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", $post->ID, $comment_author, $comment_author_email));
}
// keep $comments for legacy's sake (remember $table*? ;) )
$comments = $wp_query->comments = apply_filters( 'comments_array', $comments, $post->ID );
$wp_query->comment_count = count($wp_query->comments);
update_comment_cache($comments);
define('COMMENTS_TEMPLATE', true);
$include = apply_filters('comments_template', TEMPLATEPATH . $file );
if ( file_exists( $include ) )
require( $include );
else
require( ABSPATH . 'wp-content/themes/default/comments.php');
}
function comments_popup_script($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 $javascript;
}
function comments_popup_link($zero='No Comments', $one='1 Comment', $more='% Comments', $CSSclass='', $none='Comments Off') {
global $id, $wpcommentspopupfile, $wpcommentsjavascript, $post;
if ( is_single() || is_page() )
return;
$number = get_comments_number($id);
if ( 0 == $number && 'closed' == $post->comment_status && 'closed' == $post->ping_status ) {
echo '<span' . ((!empty($CSSclass)) ? ' class="' . $CSSclass . '"' : '') . '>' . $none . '</span>';
return;
}
if ( !empty($post->post_password) ) { // if there's a password
if ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) { // and it doesn't match the cookie
echo(__('Enter your password to view comments'));
return;
}
}
$comments_popup_link = '<a href="';
if ($wpcommentsjavascript) {
if ( empty($wpcommentspopupfile) )
$home = get_option('home');
else
$home = get_option('siteurl');
$comments_popup_link .= $home . '/' . $wpcommentspopupfile.'?comments_popup='.$id;
$comments_popup_link .= '" onclick="wpopen(this.href); return false"';
} else { // if comments_popup_script() is not in the template, display simple comment link
if ( 0 == $number )
$comments_popup_link .= get_permalink() . '#respond';
else
$comments_popup_link .= comments_link();
$comments_popup_link .= '"';
}
if (!empty($CSSclass)) {
$comments_popup_link .= ' class="'.$CSSclass.'"';
}
$title = attribute_escape(get_the_title());
$comments_popup_link .= ' title="' . sprintf( __('Comment on %s'), $title ) .'">';
comments_number($zero, $one, $more, $number);
$comments_popup_link .= '</a>';
echo apply_filters('comments_popup_link', $comments_popup_link);
}
?>