680 lines
21 KiB
PHP
680 lines
21 KiB
PHP
<?php
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// Template functions
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function comments_template( $file = '/comments.php' ) {
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global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity;
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if ( is_single() || is_page() || $withcomments ) :
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$req = get_settings('require_name_email');
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$comment_author = isset($_COOKIE['comment_author_'.COOKIEHASH]) ? trim(stripslashes($_COOKIE['comment_author_'.COOKIEHASH])) : '';
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$comment_author_email = isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ? trim(stripslashes($_COOKIE['comment_author_email_'.COOKIEHASH])) : '';
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$comment_author_url = isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ? trim(stripslashes($_COOKIE['comment_author_url_'.COOKIEHASH])) : '';
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if ( empty($comment_author) ) {
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$comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND comment_approved = '1' ORDER BY comment_date");
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} else {
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$author_db = $wpdb->escape($comment_author);
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$email_db = $wpdb->escape($comment_author_email);
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$comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND ( comment_approved = '1' OR ( comment_author = '$author_db' AND comment_author_email = '$email_db' AND comment_approved = '0' ) ) ORDER BY comment_date");
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}
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get_currentuserinfo();
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define('COMMENTS_TEMPLATE', true);
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$include = apply_filters('comments_template', TEMPLATEPATH . $file );
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if ( file_exists( $include ) )
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require( $include );
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else
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require( ABSPATH . 'wp-content/themes/default/comments.php');
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endif;
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}
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function clean_url( $url ) {
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if ('' == $url) return $url;
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$url = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $url);
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$url = str_replace(';//', '://', $url);
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$url = (!strstr($url, '://')) ? 'http://'.$url : $url;
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$url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url);
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return $url;
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}
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function get_comments_number( $comment_id ) {
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global $wpdb, $comment_count_cache;
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$comment_id = (int) $comment_id;
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if (!isset($comment_count_cache[$comment_id]))
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$comment_count_cache[$comment_id] = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = '$comment_id' AND comment_approved = '1'");
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return apply_filters('get_comments_number', $comment_count_cache[$comment_id]);
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}
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function comments_number( $zero = 'No Comments', $one = '1 Comment', $more = '% Comments', $number = '' ) {
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global $id, $comment;
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$number = get_comments_number( $id );
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if ($number == 0) {
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$blah = $zero;
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} elseif ($number == 1) {
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$blah = $one;
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} elseif ($number > 1) {
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$blah = str_replace('%', $number, $more);
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}
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echo apply_filters('comments_number', $blah);
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}
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function get_comments_link() {
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return get_permalink() . '#comments';
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}
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function get_comment_link() {
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global $comment;
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return get_permalink( $comment->comment_post_ID ) . '#comment-' . $comment->comment_ID;
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}
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function comments_link( $file = '', $echo = true ) {
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echo get_comments_link();
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}
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function comments_popup_script($width=400, $height=400, $file='') {
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global $wpcommentspopupfile, $wptrackbackpopupfile, $wppingbackpopupfile, $wpcommentsjavascript;
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if (empty ($file)) {
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$wpcommentspopupfile = ''; // Use the index.
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} else {
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$wpcommentspopupfile = $file;
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}
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$wpcommentsjavascript = 1;
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$javascript = "<script type='text/javascript'>\nfunction wpopen (macagna) {\n window.open(macagna, '_blank', 'width=$width,height=$height,scrollbars=yes,status=yes');\n}\n</script>\n";
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echo $javascript;
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}
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function comments_popup_link($zero='No Comments', $one='1 Comment', $more='% Comments', $CSSclass='', $none='Comments Off') {
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global $id, $wpcommentspopupfile, $wpcommentsjavascript, $post, $wpdb;
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global $comment_count_cache;
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if (! is_single() && ! is_page()) {
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if ( !isset($comment_count_cache[$id]) )
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$comment_count_cache[$id] = $wpdb->get_var("SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = $id AND comment_approved = '1';");
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$number = $comment_count_cache[$id];
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if (0 == $number && 'closed' == $post->comment_status && 'closed' == $post->ping_status) {
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echo $none;
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return;
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} else {
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if (!empty($post->post_password)) { // if there's a password
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if ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) { // and it doesn't match the cookie
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echo('Enter your password to view comments');
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return;
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}
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}
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echo '<a href="';
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if ($wpcommentsjavascript) {
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if ( empty($wpcommentspopupfile) )
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$home = get_settings('home');
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else
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$home = get_settings('siteurl');
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echo $home . '/' . $wpcommentspopupfile.'?comments_popup='.$id;
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echo '" onclick="wpopen(this.href); return false"';
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} else { // if comments_popup_script() is not in the template, display simple comment link
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if ( 0 == $number )
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echo get_permalink() . '#respond';
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else
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comments_link();
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echo '"';
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}
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if (!empty($CSSclass)) {
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echo ' class="'.$CSSclass.'"';
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}
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echo '>';
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comments_number($zero, $one, $more, $number);
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echo '</a>';
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}
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}
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}
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function get_comment_ID() {
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global $comment;
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return apply_filters('get_comment_ID', $comment->comment_ID);
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}
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function comment_ID() {
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echo get_comment_ID();
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}
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function get_comment_author() {
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global $comment;
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if ( empty($comment->comment_author) )
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$author = 'Anonymous';
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else
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$author = $comment->comment_author;
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return apply_filters('get_comment_author', $author);
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}
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function comment_author() {
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$author = apply_filters('comment_author', get_comment_author() );
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echo $author;
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}
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function get_comment_author_email() {
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global $comment;
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return apply_filters('get_comment_author_email', $comment->comment_author_email);
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}
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function comment_author_email() {
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echo apply_filters('author_email', get_comment_author_email() );
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}
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function get_comment_author_link() {
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global $comment;
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$url = get_comment_author_url();
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$author = get_comment_author();
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if ( empty( $url ) )
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$return = $author;
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else
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$return = "<a href='$url' rel='external nofollow'>$author</a>";
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return apply_filters('get_comment_author_link', $return);
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}
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function comment_author_link() {
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echo get_comment_author_link();
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}
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function get_comment_type() {
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global $comment;
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if ( '' == $comment->comment_type )
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$comment->comment_type = 'comment';
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return apply_filters('get_comment_type', $comment->comment_type);
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}
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function comment_type($commenttxt = 'Comment', $trackbacktxt = 'Trackback', $pingbacktxt = 'Pingback') {
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$type = get_comment_type();
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switch( $type ) {
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case 'trackback' :
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echo $trackbacktxt;
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break;
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case 'pingback' :
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echo $pingbacktxt;
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break;
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default :
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echo $commenttxt;
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}
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}
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function get_comment_author_url() {
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global $comment;
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return apply_filters('get_comment_author_url', $comment->comment_author_url);
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}
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function comment_author_url() {
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echo apply_filters('comment_url', get_comment_author_url());
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}
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function comment_author_email_link($linktext='', $before='', $after='') {
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global $comment;
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$email = apply_filters('comment_email', $comment->comment_author_email);
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if ((!empty($email)) && ($email != '@')) {
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$display = ($linktext != '') ? $linktext : $email;
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echo $before;
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echo "<a href='mailto:$email'>$display</a>";
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echo $after;
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}
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}
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function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
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global $comment;
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$url = get_comment_author_url();
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$display = ($linktext != '') ? $linktext : $url;
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$return = "$before<a href='$url' rel='external'>$display</a>$after";
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return apply_filters('get_comment_author_url_link', $return);
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}
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function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
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echo get_comment_author_url_link( $linktext, $before, $after );
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}
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function get_comment_author_IP() {
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global $comment;
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return apply_filters('get_comment_author_IP', $comment->comment_author_IP);
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}
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function comment_author_IP() {
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echo get_comment_author_IP();
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}
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function get_comment_text() {
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global $comment;
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return apply_filters('get_comment_text', $comment->comment_content);
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}
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function comment_text() {
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echo apply_filters('comment_text', get_comment_text() );
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}
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function get_comment_excerpt() {
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global $comment;
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$comment_text = strip_tags($comment->comment_content);
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$blah = explode(' ', $comment_text);
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if (count($blah) > 20) {
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$k = 20;
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$use_dotdotdot = 1;
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} else {
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$k = count($blah);
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$use_dotdotdot = 0;
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}
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$excerpt = '';
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for ($i=0; $i<$k; $i++) {
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$excerpt .= $blah[$i] . ' ';
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}
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$excerpt .= ($use_dotdotdot) ? '...' : '';
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return apply_filters('get_comment_excerpt', $excerpt);
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}
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function comment_excerpt() {
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echo apply_filters('comment_excerpt', get_comment_excerpt() );
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}
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function get_comment_date( $d = '' ) {
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global $comment;
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if ( '' == $d )
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$date = mysql2date( get_settings('date_format'), $comment->comment_date);
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else
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$date = mysql2date($d, $comment->comment_date);
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return apply_filters('get_comment_date', $date);
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}
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function comment_date( $d = '' ) {
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echo get_comment_date( $d );
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}
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function get_comment_time( $d = '', $gmt = false ) {
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global $comment;
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$comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date;
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if ( '' == $d )
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$date = mysql2date(get_settings('time_format'), $comment_date);
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else
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$date = mysql2date($d, $comment_date);
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return apply_filters('get_comment_time', $date);
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}
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function comment_time( $d = '' ) {
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echo get_comment_time($d);
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}
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function get_trackback_url() {
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global $id;
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$tb_url = get_settings('siteurl') . '/wp-trackback.php?p=' . $id;
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if ( '' != get_settings('permalink_structure') )
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$tb_url = trailingslashit(get_permalink()) . 'trackback/';
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return $tb_url;
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}
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function trackback_url( $display = true ) {
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if ( $display)
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echo get_trackback_url();
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else
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return get_trackback_url();
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}
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function trackback_rdf($timezone = 0) {
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global $id;
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if (!stristr($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator')) {
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echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
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<rdf:Description rdf:about="';
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the_permalink();
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echo '"'."\n";
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echo ' dc:identifier="';
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the_permalink();
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echo '"'."\n";
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echo ' dc:title="'.str_replace('--', '--', wptexturize(strip_tags(get_the_title()))).'"'."\n";
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echo ' trackback:ping="'.trackback_url(0).'"'." />\n";
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echo '</rdf:RDF>';
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}
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}
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function comments_open() {
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global $post;
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if ( 'open' == $post->comment_status )
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return true;
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else
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return false;
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}
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function pings_open() {
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global $post;
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if ( 'open' == $post->ping_status )
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return true;
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else
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return false;
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}
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// Non-template functions
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function get_lastcommentmodified($timezone = 'server') {
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global $tablecomments, $cache_lastcommentmodified, $pagenow, $wpdb;
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$add_seconds_blog = get_settings('gmt_offset') * 3600;
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$add_seconds_server = date('Z');
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$now = current_time('mysql', 1);
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if ( !isset($cache_lastcommentmodified[$timezone]) ) {
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switch(strtolower($timezone)) {
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case 'gmt':
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$lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $tablecomments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1");
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break;
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case 'blog':
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$lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $tablecomments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1");
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break;
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case 'server':
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$lastcommentmodified = $wpdb->get_var("SELECT DATE_ADD(comment_date_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $tablecomments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1");
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break;
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}
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$cache_lastcommentmodified[$timezone] = $lastcommentmodified;
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} else {
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$lastcommentmodified = $cache_lastcommentmodified[$timezone];
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}
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return $lastcommentmodified;
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}
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function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) { // less flexible, but saves DB queries
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global $postc, $id, $commentdata, $wpdb;
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if ($no_cache) {
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$query = "SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_ID'";
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if (false == $include_unapproved) {
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$query .= " AND comment_approved = '1'";
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}
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$myrow = $wpdb->get_row($query, ARRAY_A);
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} else {
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$myrow['comment_ID'] = $postc->comment_ID;
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$myrow['comment_post_ID'] = $postc->comment_post_ID;
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$myrow['comment_author'] = $postc->comment_author;
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$myrow['comment_author_email'] = $postc->comment_author_email;
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$myrow['comment_author_url'] = $postc->comment_author_url;
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$myrow['comment_author_IP'] = $postc->comment_author_IP;
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$myrow['comment_date'] = $postc->comment_date;
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$myrow['comment_content'] = $postc->comment_content;
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$myrow['comment_karma'] = $postc->comment_karma;
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$myrow['comment_approved'] = $postc->comment_approved;
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$myrow['comment_type'] = $postc->comment_type;
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}
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return $myrow;
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}
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function pingback($content, $post_ID) {
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global $wp_version, $wpdb;
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include_once (ABSPATH . WPINC . '/class-IXR.php');
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// original code by Mort (http://mort.mine.nu:8080)
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$log = debug_fopen(ABSPATH . '/pingback.log', 'a');
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$post_links = array();
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debug_fwrite($log, 'BEGIN '.date('YmdHis', time())."\n");
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$pung = get_pung($post_ID);
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// Variables
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$ltrs = '\w';
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$gunk = '/#~:.?+=&%@!\-';
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$punc = '.:?\-';
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$any = $ltrs . $gunk . $punc;
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// Step 1
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// Parsing the post, external links (if any) are stored in the $post_links array
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// This regexp comes straight from phpfreaks.com
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// http://www.phpfreaks.com/quickcode/Extract_All_URLs_on_a_Page/15.php
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preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp);
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// Debug
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debug_fwrite($log, 'Post contents:');
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debug_fwrite($log, $content."\n");
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// Step 2.
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// Walking thru the links array
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// first we get rid of links pointing to sites, not to specific files
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// Example:
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// http://dummy-weblog.org
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// http://dummy-weblog.org/
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// http://dummy-weblog.org/post.php
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// We don't wanna ping first and second types, even if they have a valid <link/>
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foreach($post_links_temp[0] as $link_test) :
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if ( !in_array($link_test, $pung) ) : // If we haven't pung it already
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$test = parse_url($link_test);
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if (isset($test['query']))
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$post_links[] = $link_test;
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elseif(($test['path'] != '/') && ($test['path'] != ''))
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$post_links[] = $link_test;
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do_action('pre_ping', &$post_links, &$pung);
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endif;
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endforeach;
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foreach ($post_links as $pagelinkedto){
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debug_fwrite($log, "Processing -- $pagelinkedto\n");
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$pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048);
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if ($pingback_server_url) {
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set_time_limit( 60 );
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// Now, the RPC call
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debug_fwrite($log, "Page Linked To: $pagelinkedto \n");
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debug_fwrite($log, 'Page Linked From: ');
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$pagelinkedfrom = get_permalink($post_ID);
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debug_fwrite($log, $pagelinkedfrom."\n");
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// using a timeout of 3 seconds should be enough to cover slow servers
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$client = new IXR_Client($pingback_server_url);
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|
$client->timeout = 3;
|
|
$client->useragent .= ' -- WordPress/' . $wp_version;
|
|
|
|
// when set to true, this outputs debug messages by itself
|
|
$client->debug = false;
|
|
|
|
if ( $client->query('pingback.ping', array($pagelinkedfrom, $pagelinkedto) ) )
|
|
add_ping( $post_ID, $pagelinkedto );
|
|
else
|
|
debug_fwrite($log, "Error.\n Fault code: ".$client->getErrorCode()." : ".$client->getErrorMessage()."\n");
|
|
}
|
|
}
|
|
|
|
debug_fwrite($log, "\nEND: ".time()."\n****************************\n");
|
|
debug_fclose($log);
|
|
}
|
|
|
|
function discover_pingback_server_uri($url, $timeout_bytes = 2048) {
|
|
global $wp_version;
|
|
|
|
$byte_count = 0;
|
|
$contents = '';
|
|
$headers = '';
|
|
$pingback_str_dquote = 'rel="pingback"';
|
|
$pingback_str_squote = 'rel=\'pingback\'';
|
|
$x_pingback_str = 'x-pingback: ';
|
|
$pingback_href_original_pos = 27;
|
|
|
|
extract(parse_url($url));
|
|
|
|
if (!isset($host)) {
|
|
// Not an URL. This should never happen.
|
|
return false;
|
|
}
|
|
|
|
$path = (!isset($path)) ? '/' : $path;
|
|
$path .= (isset($query)) ? '?'.$query : '';
|
|
$port = (isset($port)) ? $port : 80;
|
|
|
|
// Try to connect to the server at $host
|
|
$fp = @fsockopen($host, $port, $errno, $errstr, 2);
|
|
if (!$fp) {
|
|
// Couldn't open a connection to $host;
|
|
return false;
|
|
}
|
|
|
|
// Send the GET request
|
|
$request = "GET $path HTTP/1.1\r\nHost: $host\r\nUser-Agent: WordPress/$wp_version PHP/" . phpversion() . "\r\n\r\n";
|
|
ob_end_flush();
|
|
fputs($fp, $request);
|
|
|
|
// Let's check for an X-Pingback header first
|
|
while (!feof($fp)) {
|
|
$line = fgets($fp, 512);
|
|
if (trim($line) == '') {
|
|
break;
|
|
}
|
|
$headers .= trim($line)."\n";
|
|
$x_pingback_header_offset = strpos(strtolower($headers), $x_pingback_str);
|
|
if ($x_pingback_header_offset) {
|
|
// We got it!
|
|
preg_match('#x-pingback: (.+)#is', $headers, $matches);
|
|
$pingback_server_url = trim($matches[1]);
|
|
return $pingback_server_url;
|
|
}
|
|
if(strpos(strtolower($headers), 'content-type: ')) {
|
|
preg_match('#content-type: (.+)#is', $headers, $matches);
|
|
$content_type = trim($matches[1]);
|
|
}
|
|
}
|
|
|
|
if (preg_match('#(image|audio|video|model)/#is', $content_type)) {
|
|
// Not an (x)html, sgml, or xml page, no use going further
|
|
return false;
|
|
}
|
|
|
|
while (!feof($fp)) {
|
|
$line = fgets($fp, 1024);
|
|
$contents .= trim($line);
|
|
$pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
|
|
$pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
|
|
if ($pingback_link_offset_dquote || $pingback_link_offset_squote) {
|
|
$quote = ($pingback_link_offset_dquote) ? '"' : '\'';
|
|
$pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
|
|
$pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
|
|
$pingback_href_start = $pingback_href_pos+6;
|
|
$pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
|
|
$pingback_server_url_len = $pingback_href_end - $pingback_href_start;
|
|
$pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
|
|
// We may find rel="pingback" but an incomplete pingback URI
|
|
if ($pingback_server_url_len > 0) {
|
|
// We got it!
|
|
return $pingback_server_url;
|
|
}
|
|
}
|
|
$byte_count += strlen($line);
|
|
if ($byte_count > $timeout_bytes) {
|
|
// It's no use going further, there probably isn't any pingback
|
|
// server to find in this file. (Prevents loading large files.)
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// We didn't find anything.
|
|
return false;
|
|
}
|
|
|
|
|
|
function wp_set_comment_status($comment_id, $comment_status) {
|
|
global $wpdb;
|
|
|
|
switch($comment_status) {
|
|
case 'hold':
|
|
$query = "UPDATE $wpdb->comments SET comment_approved='0' WHERE comment_ID='$comment_id' LIMIT 1";
|
|
break;
|
|
case 'approve':
|
|
$query = "UPDATE $wpdb->comments SET comment_approved='1' WHERE comment_ID='$comment_id' LIMIT 1";
|
|
break;
|
|
case 'spam':
|
|
$query = "UPDATE $wpdb->comments SET comment_approved='spam' WHERE comment_ID='$comment_id' LIMIT 1";
|
|
break;
|
|
case 'delete':
|
|
$query = "DELETE FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1";
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
if ($wpdb->query($query)) {
|
|
do_action('wp_set_comment_status', $comment_id, $comment_status);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
function wp_get_comment_status($comment_id) {
|
|
global $wpdb;
|
|
|
|
$result = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
|
|
if ($result == NULL) {
|
|
return 'deleted';
|
|
} else if ($result == '1') {
|
|
return 'approved';
|
|
} else if ($result == '0') {
|
|
return 'unapproved';
|
|
} else if ($result == 'spam') {
|
|
return 'spam';
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
|
|
global $wpdb;
|
|
|
|
if (1 == get_settings('comment_moderation')) return false; // If moderation is set to manual
|
|
|
|
if ( (count(explode('http:', $comment)) - 1) >= get_settings('comment_max_links') )
|
|
return false; // Check # of external links
|
|
|
|
$mod_keys = trim( get_settings('moderation_keys') );
|
|
if ( !empty($mod_keys) ) {
|
|
$words = explode("\n", $mod_keys );
|
|
|
|
foreach ($words as $word) {
|
|
$word = trim($word);
|
|
|
|
// Skip empty lines
|
|
if (empty($word)) { continue; }
|
|
|
|
// Do some escaping magic so that '#' chars in the
|
|
// spam words don't break things:
|
|
$word = preg_quote($word, '#');
|
|
|
|
$pattern = "#$word#i";
|
|
if ( preg_match($pattern, $author) ) return false;
|
|
if ( preg_match($pattern, $email) ) return false;
|
|
if ( preg_match($pattern, $url) ) return false;
|
|
if ( preg_match($pattern, $comment) ) return false;
|
|
if ( preg_match($pattern, $user_ip) ) return false;
|
|
if ( preg_match($pattern, $user_agent) ) return false;
|
|
}
|
|
}
|
|
|
|
// Comment whitelisting:
|
|
if ( 1 == get_settings('comment_whitelist')) {
|
|
if ( 'trackback' == $comment_type || 'pingback' == $comment_type ) { // check if domain is in blogroll
|
|
$uri = parse_url($url);
|
|
$domain = $uri['host'];
|
|
$uri = parse_url( get_option('home') );
|
|
$home_domain = $uri['host'];
|
|
if ( $wpdb->get_var("SELECT link_id FROM $wpdb->links WHERE link_url LIKE ('%$domain%') LIMIT 1") || $domain == $home_domain )
|
|
return true;
|
|
else
|
|
return false;
|
|
} elseif( $author != '' && $email != '' ) {
|
|
$ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1");
|
|
if ( 1 == $ok_to_comment && false === strpos( $email, get_settings('moderation_keys')) )
|
|
return true;
|
|
else
|
|
return false;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
?>
|