WordPress/wp-includes/template-functions-comment.php

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<?php
// Default filters for these functions
add_filter('comment_author', 'remove_slashes', 5);
add_filter('comment_author', 'wptexturize');
add_filter('comment_author', 'convert_chars');
add_filter('comment_email', 'remove_slashes', 5);
add_filter('comment_email', 'antispambot');
add_filter('comment_url', 'clean_url');
add_filter('comment_text', 'remove_slashes', 5);
add_filter('comment_text', 'convert_chars');
add_filter('comment_text', 'make_clickable');
add_filter('comment_text', 'wpautop', 30);
add_filter('comment_text', 'balanceTags');
add_filter('comment_text', 'convert_smilies', 20);
add_filter('comment_excerpt', 'remove_slashes', 5);
add_filter('comment_excerpt', 'convert_chars');
function clean_url($url) {
$url = str_replace('http://url', '', $url);
$url = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $url);
$url = str_replace(';//', '://', $url);
$url = (!strstr($url, '://')) ? 'http://'.$url : $url;
$url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&#038;$1', $url);
return $url;
}
function comments_number($zero='No Comments', $one='1 Comment', $more='% Comments', $number='') {
global $id, $comment, $tablecomments, $wpdb;
if ('' == $number) $number = $wpdb->get_var("SELECT COUNT(*) FROM $tablecomments WHERE comment_post_ID = $id AND comment_approved = '1'");
if ($number == 0) {
$blah = $zero;
} elseif ($number == 1) {
$blah = $one;
} elseif ($number > 1) {
$blah = str_replace('%', $number, $more);
}
echo $blah;
}
function comments_link($file='', $echo=true) {
global $id, $pagenow;
if ($file == '') $file = $pagenow;
if ($file == '/') $file = '';
if (!$echo) return get_permalink() . '#comments';
else echo get_permalink() . '#comments';
}
function comments_popup_script($width=400, $height=400, $file='wp-comments-popup.php') {
global $wpcommentspopupfile, $wptrackbackpopupfile, $wppingbackpopupfile, $wpcommentsjavascript;
$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, $wpdb, $tablecomments, $HTTP_COOKIE_VARS, $cookiehash;
global $querystring_start, $querystring_equal, $querystring_separator, $siteurl;
global $comment_count_cache, $single;
if (!$single) {
if ('' == $comment_count_cache["$id"]) {
$number = $wpdb->get_var("SELECT COUNT(comment_ID) FROM $tablecomments WHERE comment_post_ID = $id AND comment_approved = '1';");
} else {
$number = $comment_count_cache["$id"];
}
if (0 == $number && 'closed' == $post->comment_status && 'closed' == $post->ping_status) {
echo $none;
return;
} else {
if (!empty($post->post_password)) { // if there's a password
if ($HTTP_COOKIE_VARS['wp-postpass_'.$cookiehash] != $post->post_password) { // and it doesn't match the cookie
echo('Enter your password to view comments');
return;
}
}
echo '<a href="';
if ($wpcommentsjavascript) {
echo $siteurl.'/'.$wpcommentspopupfile.$querystring_start.'p'.$querystring_equal.$id.$querystring_separator.'c'.$querystring_equal.'1';
//echo get_permalink();
echo '" onclick="wpopen(this.href); return false"';
} else {
// if comments_popup_script() is not in the template, display simple comment link
comments_link();
echo '"';
}
if (!empty($CSSclass)) {
echo ' class="'.$CSSclass.'"';
}
echo '>';
comments_number($zero, $one, $more, $number);
echo '</a>';
}
}
}
function comment_ID() {
global $comment;
echo $comment->comment_ID;
}
function comment_author() {
global $comment;
$author = apply_filters('comment_author', $comment->comment_author);
if (empty($author)) {
echo 'Anonymous';
} else {
echo $author;
}
}
function comment_author_email() {
global $comment;
echo apply_filters('author_email', $comment->comment_author_email);
}
function comment_author_link() {
global $comment;
$url = apply_filters('comment_url', $comment->comment_author_url);
$email = apply_filters('comment_email', $comment->comment_author_email);
$author = apply_filters('comment_author', $comment->comment_author);
if (empty($url) && empty($email)) {
echo 'Anonymous';
return;
}
echo '<a href="';
if ($url) {
echo $url;
} else {
echo "mailto:$email";
}
echo '" rel="external">' . $author . '</a>';
}
function comment_type($commenttxt = 'Comment', $trackbacktxt = 'Trackback', $pingbacktxt = 'Pingback') {
global $comment;
if (preg_match('|<trackback />|', $comment->comment_content))
echo $trackbacktxt;
elseif (preg_match('|<pingback />|', $comment->comment_content))
echo $pingbacktxt;
else
echo $commenttxt;
}
function comment_author_url() {
global $comment;
echo apply_filters('comment_url', $comment->comment_author_url);
}
function comment_author_email_link($linktext='', $before='', $after='') {
global $comment;
$email = apply_filters('comment_email', $comment->comment_author_email);
if ((!empty($email)) && ($email != '@')) {
$display = ($linktext != '') ? $linktext : stripslashes($email);
echo $before;
echo "<a href='mailto:$email'>$display</a>";
echo $after;
}
}
function comment_author_url_link($linktext='', $before='', $after='') {
global $comment;
$url = apply_filters('comment_url', $comment->comment_author_url);
if ((!empty($url)) && ($url != 'http://') && ($url != 'http://url')) {
$display = ($linktext != '') ? $linktext : stripslashes($url);
echo "$before<a href='$url' rel='external'>$display</a>$after";
}
}
function comment_author_IP() {
global $comment;
echo $comment->comment_author_IP;
}
function comment_text() {
global $comment;
$comment_text = str_replace('<trackback />', '', $comment->comment_content);
$comment_text = str_replace('<pingback />', '', $comment_text);
echo apply_filters('comment_text', $comment_text);
}
function comment_excerpt() {
global $comment;
$comment_text = str_replace('<trackback />', '', $comment->comment_content);
$comment_text = str_replace('<pingback />', '', $comment_text);
$comment_text = strip_tags($comment_text);
$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) ? '...' : '';
echo apply_filters('comment_excerpt', $excerpt);
}
function comment_date($d='') {
global $comment;
if ('' == $d) {
echo mysql2date(get_settings('date_format'), get_date_from_gmt($comment->comment_date));
} else {
echo mysql2date($d, get_date_from_gmt($comment->comment_date));
}
}
function comment_time($d='') {
global $comment;
if ($d == '') {
echo mysql2date(get_settings('time_format'), get_date_from_gmt($comment->comment_date));
} else {
echo mysql2date($d, get_date_from_gmt($comment->comment_date));
}
}
function comments_rss_link($link_text='Comments RSS', $commentsrssfilename = 'wp-commentsrss2.php') {
global $id;
global $querystring_start, $querystring_equal, $querystring_separator, $siteurl;
if ('' != get_settings('permalink_structure')) {
$url = trailingslashit(get_permalink()) . 'rss2/';
} else {
$url = $siteurl.'/'.$commentsrssfilename.$querystring_start.'p'.$querystring_equal.$id;
}
echo "<a href='$url'>$link_text</a>";
}
function comment_author_rss() {
global $comment;
if (empty($comment->comment_author)) {
echo 'Anonymous';
} else {
echo htmlspecialchars(apply_filters('comment_author', $comment->comment_author));
}
}
function comment_text_rss() {
global $comment;
$comment_text = str_replace('<trackback />', '', $comment->comment_content);
$comment_text = str_replace('<pingback />', '', $comment_text);
$comment_text = apply_filters('comment_text', $comment_text);
$comment_text = strip_tags($comment_text);
$comment_text = htmlspecialchars($comment_text);
echo $comment_text;
}
function comment_link_rss() {
global $comment;
echo get_permalink($comment->comment_post_ID).'#comments';
}
function permalink_comments_rss() {
global $comment;
echo get_permalink($comment->comment_post_ID);
}
function trackback_url($display = true) {
global $id;
$tb_url = get_settings('siteurl') . '/wp-trackback.php/' . $id;
if ('' != get_settings('permalink_structure')) {
$tb_url = trailingslashit(get_permalink()) . 'trackback/';
}
if ($display) {
echo $tb_url;
} else {
return $tb_url;
}
}
function trackback_rdf($timezone = 0) {
global $siteurl, $id, $HTTP_SERVER_VARS;
if (!stristr($HTTP_SERVER_VARS['HTTP_USER_AGENT'], 'W3C_Validator')) {
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="';
permalink_single();
echo '"'."\n";
echo ' dc:identifier="';
permalink_single();
echo '"'."\n";
echo ' dc:title="'.str_replace('--', '&#x2d;&#x2d;', addslashes(strip_tags(get_the_title()))).'"'."\n";
echo ' trackback:ping="'.trackback_url(0).'"'." />\n";
echo '</rdf:RDF>';
}
}
?>