get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND comment_approved = '1' ORDER BY comment_date"); $template = get_template_directory(); $template .= "/comments.php"; if (file_exists($template)) { include($template); } else { include(ABSPATH . 'wp-comments.php'); } endif; } function clean_url( $url ) { if ('' == $url) return $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};)/', '&$1', $url); return $url; } function get_comments_number( $comment_id ) { global $wpdb, $comment_count_cache; $comment_id = (int) $comment_id; if ('' == $comment_count_cache["$id"]) $number = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = '$comment_id' AND comment_approved = '1'"); else $number = $comment_count_cache["$id"]; return apply_filters('get_comments_number', $number); } function comments_number( $zero = 'No Comments', $one = '1 Comment', $more = '% Comments', $number = '' ) { global $id, $comment; $number = get_comments_number( $id ); if ($number == 0) { $blah = $zero; } elseif ($number == 1) { $blah = $one; } elseif ($number > 1) { $blah = str_replace('%', $number, $more); } echo apply_filters('comments_number', $blah); } function get_comments_link() { return get_permalink() . '#comments'; } function comments_link( $file = '', $echo = true ) { echo get_comments_link(); } function comment_link_rss() { echo get_comments_link(); } function comments_popup_script($width=400, $height=400, $file='') { global $wpcommentspopupfile, $wptrackbackpopupfile, $wppingbackpopupfile, $wpcommentsjavascript; if (empty ($file)) { $template = TEMPLATEPATH . '/comments-popup.php'; if (file_exists($template)) { $wpcommentspopupfile = str_replace(ABSPATH, '', $template); } else { $wpcommentspopupfile = 'wp-comments-popup.php'; } } else { $wpcommentspopupfile = $file; } $wpcommentsjavascript = 1; $javascript = "\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; global $querystring_start, $querystring_equal, $querystring_separator; global $comment_count_cache; if (! is_single() && ! is_page()) { if ('' == $comment_count_cache["$id"]) { $number = $wpdb->get_var("SELECT COUNT(comment_ID) FROM $wpdb->comments 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 ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) { // and it doesn't match the cookie echo('Enter your password to view comments'); return; } } echo ''; comments_number($zero, $one, $more, $number); echo ''; } } } 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_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 comment_author_rss() { $author = apply_filters('comment_author_rss', 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 get_comment_author_link() { global $comment; $url = get_comment_author_url(); $author = get_comment_author(); if ( empty( $url ) ) $return = $author; else $return = "$author"; return apply_filters('get_comment_author_link', $return); } function comment_author_link() { echo get_comment_author_link(); } function get_comment_type() { global $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_comment_author_url() { global $comment; return apply_filters('get_comment_author_url', $comment->comment_author_url); } function comment_author_url() { echo apply_filters('comment_url', get_comment_author_url()); } function comment_author_email_link($linktext='', $before='', $after='') { global $comment; $email = apply_filters('comment_email', $comment->comment_author_email); if ((!empty($email)) && ($email != '@')) { $display = ($linktext != '') ? $linktext : $email; echo $before; echo "$display"; echo $after; } } function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) { global $comment; $url = get_comment_author_url(); $display = ($linktext != '') ? $linktext : $url; $return = "$before$display$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_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_text() { global $comment; $comment_text = str_replace('', '', $comment->comment_content); $comment_text = str_replace('', '', $comment_text); return apply_filters('get_comment_text', $comment_text); } function comment_text() { echo apply_filters('comment_text', get_comment_text() ); } function comment_text_rss() { $comment_text = get_comment_text(); $comment_text = apply_filters('comment_text_rss', $comment_text); echo $comment_text; } function get_comment_excerpt() { global $comment; $comment_text = str_replace('', '', $comment->comment_content); $comment_text = str_replace('', '', $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) ? '...' : ''; return apply_filters('get_comment_excerpt', $excerpt); } function comment_excerpt() { echo apply_filters('comment_excerpt', get_comment_excerpt() ); } function get_comment_date( $d = '' ) { global $comment; if ( '' == $d ) $date = mysql2date( get_settings('date_format'), $comment->comment_date); else $date = mysql2date($d, $comment->comment_date); return apply_filters('get_comment_date', $date); } function comment_date( $d = '' ) { echo get_comment_date( $d ); } function get_comment_time( $d = '' ) { global $comment; if ( '' == $d ) $date = mysql2date(get_settings('time_format'), $comment->comment_date); else $date = mysql2date($d, $comment->comment_date); return apply_filters('get_comment_time', $date); } function comment_time( $d = '' ) { echo get_comment_time(); } function comments_rss_link($link_text = 'Comments RSS', $commentsrssfilename = 'wp-commentsrss2.php') { $url = comments_rss($commentsrssfilename); echo "$link_text"; } function comments_rss($commentsrssfilename = 'wp-commentsrss2.php') { global $id; global $querystring_start, $querystring_equal, $querystring_separator; if ('' != get_settings('permalink_structure')) $url = trailingslashit( get_permalink() ) . 'feed/'; else $url = get_settings('siteurl') . "/$commentsrssfilename?p=$id"; return $url; } function get_trackback_url() { global $id; $tb_url = get_settings('siteurl') . '/wp-trackback.php/' . $id; if ( '' != get_settings('permalink_structure') ) $tb_url = trailingslashit(get_permalink()) . 'trackback/'; return $tb_url; } function trackback_url( $display = true ) { if ( $display) echo get_trackback_url(); else return get_trackback_url(); } function trackback_rdf($timezone = 0) { global $id; if (!stristr($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator')) { echo ' \n"; echo ''; } } function comments_open() { global $post; if ( 'open' == $post->comment_status ) return true; else return false; } function pings_open() { global $post; if ( 'open' == $post->ping_status ) return true; else return false; } // Non-template functions function get_lastcommentmodified($timezone = 'server') { global $tablecomments, $cache_lastcommentmodified, $pagenow, $wpdb; $add_seconds_blog = get_settings('gmt_offset') * 3600; $add_seconds_server = date('Z'); $now = current_time('mysql', 1); if ( !isset($cache_lastcommentmodified[$timezone]) ) { switch(strtolower($timezone)) { case 'gmt': $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $tablecomments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1"); break; case 'blog': $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $tablecomments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1"); break; case 'server': $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"); break; } $cache_lastcommentmodified[$timezone] = $lastcommentmodified; } else { $lastcommentmodified = $cache_lastcommentmodified[$timezone]; } return $lastcommentmodified; } function get_commentdata($comment_ID,$no_cache=0,$include_unapproved=false) { // less flexible, but saves DB queries global $postc,$id,$commentdata, $wpdb; if ($no_cache) { $query = "SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_ID'"; if (false == $include_unapproved) { $query .= " AND comment_approved = '1'"; } $myrow = $wpdb->get_row($query, ARRAY_A); } else { $myrow['comment_ID']=$postc->comment_ID; $myrow['comment_post_ID']=$postc->comment_post_ID; $myrow['comment_author']=$postc->comment_author; $myrow['comment_author_email']=$postc->comment_author_email; $myrow['comment_author_url']=$postc->comment_author_url; $myrow['comment_author_IP']=$postc->comment_author_IP; $myrow['comment_date']=$postc->comment_date; $myrow['comment_content']=$postc->comment_content; $myrow['comment_karma']=$postc->comment_karma; $myrow['comment_approved']=$postc->comment_approved; if (strstr($myrow['comment_content'], '')) { $myrow['comment_type'] = 'trackback'; } elseif (strstr($myrow['comment_content'], '')) { $myrow['comment_type'] = 'pingback'; } else { $myrow['comment_type'] = 'comment'; } } return $myrow; } function pingback($content, $post_ID) { global $wp_version, $wpdb; include_once (ABSPATH . WPINC . '/class-IXR.php'); // original code by Mort (http://mort.mine.nu:8080) $log = debug_fopen(ABSPATH . '/pingback.log', 'a'); $post_links = array(); debug_fwrite($log, 'BEGIN '.date('YmdHis', time())."\n"); $pung = get_pung($post_ID); // Variables $ltrs = '\w'; $gunk = '/#~:.?+=&%@!\-'; $punc = '.:?\-'; $any = $ltrs . $gunk . $punc; // Step 1 // Parsing the post, external links (if any) are stored in the $post_links array // This regexp comes straight from phpfreaks.com // http://www.phpfreaks.com/quickcode/Extract_All_URLs_on_a_Page/15.php preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp); // Debug debug_fwrite($log, 'Post contents:'); debug_fwrite($log, $content."\n"); // Step 2. // Walking thru the links array // first we get rid of links pointing to sites, not to specific files // Example: // http://dummy-weblog.org // http://dummy-weblog.org/ // http://dummy-weblog.org/post.php // We don't wanna ping first and second types, even if they have a valid foreach($post_links_temp[0] as $link_test) : if ( !in_array($link_test, $pung) ) : // If we haven't pung it already $test = parse_url($link_test); if (isset($test['query'])) $post_links[] = $link_test; elseif(($test['path'] != '/') && ($test['path'] != '')) $post_links[] = $link_test; endif; endforeach; foreach ($post_links as $pagelinkedto){ debug_fwrite($log, "Processing -- $pagelinkedto\n"); $pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048); if ($pingback_server_url) { set_time_limit( 60 ); // Now, the RPC call debug_fwrite($log, "Page Linked To: $pagelinkedto \n"); debug_fwrite($log, 'Page Linked From: '); $pagelinkedfrom = get_permalink($post_ID); debug_fwrite($log, $pagelinkedfrom."\n"); // using a timeout of 3 seconds should be enough to cover slow servers $client = new IXR_Client($pingback_server_url); $client->timeout = 3; $client->useragent .= ' -- WordPress/' . $wp_version; // when set to true, this outputs debug messages by itself $client->debug = false; $client->query('pingback.ping', array($pagelinkedfrom, $pagelinkedto)); if ( !$client->query('pingback.ping', array($pagelinkedfrom, $pagelinkedto) ) ) debug_fwrite($log, "Error.\n Fault code: ".$client->getErrorCode()." : ".$client->getErrorMessage()."\n"); else add_ping( $post_ID, $pagelinkedto ); } } debug_fwrite($log, "\nEND: ".time()."\n****************************\n"); debug_fclose($log); } function discover_pingback_server_uri($url, $timeout_bytes = 2048) { $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; } /* wp_set_comment_status: part of otaku42's comment moderation hack changes the status of a comment according to $comment_status. allowed values: hold : set comment_approve field to 0 approve: set comment_approve field to 1 delete : remove comment out of database returns true if change could be applied returns false on database error or invalid value for $comment_status */ function wp_set_comment_status($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 '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', $comment_id); return true; } else { return false; } } /* wp_get_comment_status part of otaku42's comment moderation hack gets the current status of a comment returned values: "approved" : comment has been approved "unapproved": comment has not been approved "deleted ": comment not found in database a (boolean) false signals an error */ function wp_get_comment_status($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 ($result == "0") { return "unapproved"; } else { return false; } } function wp_notify_postauthor($comment_id, $comment_type='comment') { global $wpdb; global $querystring_start, $querystring_equal, $querystring_separator; $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1"); $post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1"); $user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID='$post->post_author' LIMIT 1"); if ('' == $user->user_email) return false; // If there's no email to send the comment to $comment_author_domain = gethostbyaddr($comment->comment_author_IP); $blogname = get_settings('blogname'); if ('comment' == $comment_type) { $notify_message = "New comment on your post #$comment->comment_post_ID \"".$post->post_title."\"\r\n\r\n"; $notify_message .= "Author : $comment->comment_author (IP: $comment->comment_author_IP , $comment_author_domain)\r\n"; $notify_message .= "E-mail : $comment->comment_author_email\r\n"; $notify_message .= "URI : $comment->comment_author_url\r\n"; $notify_message .= "Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=$comment->comment_author_IP\r\n"; $notify_message .= "Comment:\r\n".$comment->comment_content."\r\n\r\n"; $notify_message .= "You can see all comments on this post here: \r\n"; $subject = '[' . $blogname . '] Comment: "' .$post->post_title.'"'; } elseif ('trackback' == $comment_type) { $notify_message = "New trackback on your post #$comment_post_ID \"".$post->post_title."\"\r\n\r\n"; $notify_message .= "Website: $comment->comment_author (IP: $comment->comment_author_IP , $comment_author_domain)\r\n"; $notify_message .= "URI : $comment->comment_author_url\r\n"; $notify_message .= "Excerpt: \n".$comment->comment_content."\r\n\r\n"; $notify_message .= "You can see all trackbacks on this post here: \r\n"; $subject = '[' . $blogname . '] Trackback: "' .$post->post_title.'"'; } elseif ('pingback' == $comment_type) { $notify_message = "New pingback on your post #$comment_post_ID \"".$post->post_title."\"\r\n\r\n"; $notify_message .= "Website: $comment->comment_author\r\n"; $notify_message .= "URI : $comment->comment_author_url\r\n"; $notify_message .= "Excerpt: \n[...] $original_context [...]\r\n\r\n"; $notify_message .= "You can see all pingbacks on this post here: \r\n"; $subject = '[' . $blogname . '] Pingback: "' .$post->post_title.'"'; } $notify_message .= get_permalink($comment->comment_post_ID) . '#comments'; if ('' == $comment->comment_author_email || '' == $comment->comment_author) { $from = "From: \"$blogname\" '; } else { $from = 'From: "' . $comment->comment_author . "\" <$comment->comment_author_email>"; } $message_headers = "MIME-Version: 1.0\n" . "$from\n" . "Content-Type: text/plain; charset=\"" . get_settings('blog_charset') . "\"\n"; @wp_mail($user->user_email, $subject, $notify_message, $message_headers); return true; } /* wp_notify_moderator notifies the moderator of the blog (usually the admin) about a new comment that waits for approval always returns true */ function wp_notify_moderator($comment_id) { global $wpdb; if( get_settings( "moderation_notify" ) == 0 ) return true; $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1"); $post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1"); $user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID='$post->post_author' LIMIT 1"); $comment_author_domain = gethostbyaddr($comment->comment_author_IP); $comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'"); $notify_message = "A new comment on the post #$comment->comment_post_ID \"".$post->post_title."\" is waiting for your approval\n"; $notify_message .= get_permalink($comment->comment_post_ID); $notify_message .= "\n\nAuthor : $comment->comment_author (IP: $comment->comment_author_IP , $comment_author_domain)\r\n"; $notify_message .= "E-mail : $comment->comment_author_email\r\n"; $notify_message .= "URL : $comment->comment_author_url\r\n"; $notify_message .= "Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=$comment->comment_author_IP\r\n"; $notify_message .= "Comment:\r\n".$comment->comment_content."\r\n\r\n"; $notify_message .= "To approve this comment, visit: " . get_settings('siteurl') . "/wp-admin/post.php?action=mailapprovecomment&p=".$comment->comment_post_ID."&comment=$comment_id\r\n"; $notify_message .= "To delete this comment, visit: " . get_settings('siteurl') . "/wp-admin/post.php?action=confirmdeletecomment&p=".$comment->comment_post_ID."&comment=$comment_id\r\n"; $notify_message .= "Currently $comments_waiting comments are waiting for approval. Please visit the moderation panel:\r\n"; $notify_message .= get_settings('siteurl') . "/wp-admin/moderation.php\r\n"; $subject = '[' . get_settings('blogname') . '] Please moderate: "' .$post->post_title.'"'; $admin_email = get_settings("admin_email"); $from = "From: $admin_email"; $message_headers = "MIME-Version: 1.0\n" . "$from\n" . "Content-Type: text/plain; charset=\"" . get_settings('blog_charset') . "\"\n"; @wp_mail($admin_email, $subject, $notify_message, $message_headers); return true; } function check_comment($author, $email, $url, $comment, $user_ip, $user_agent) { 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 // Comment whitelisting: if ( 1 == get_settings('comment_whitelist')) { if( $author != '' && $email != '' ) { $ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author_email = '$email' and comment_approved = '1' "); if ( 1 == $ok_to_comment && false === strpos( $email, get_settings('moderation_keys')) ) return true; } else { return false; } } // Useless numeric encoding is a pretty good spam indicator: // Extract entities: if (preg_match_all('/&#(\d+);/',$comment,$chars)) { foreach ($chars[1] as $char) { // If it's an encoded char in the normal ASCII set, reject if ($char < 128) return false; } } $mod_keys = trim( get_settings('moderation_keys') ); if ('' == $mod_keys ) return true; // If moderation keys are empty $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; } return true; } ?>