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authordonncha <donncha@7be80a69-a1ef-0310-a953-fb0f7c49ff36>2006-06-22 18:31:50 +0000
committerdonncha <donncha@7be80a69-a1ef-0310-a953-fb0f7c49ff36>2006-06-22 18:31:50 +0000
commitd48e85e0ac5e675ca33fac173f30c75403d1033f (patch)
tree1164430fa3b83a4d9283961b09c1576f2885e6b2 /wp-inst/wp-includes/comment.php
parent086dcde66603301531efc6d8087bd06d0546f148 (diff)
downloadwordpress-mu-d48e85e0ac5e675ca33fac173f30c75403d1033f.tar.gz
wordpress-mu-d48e85e0ac5e675ca33fac173f30c75403d1033f.tar.xz
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Moved everything in wp-inst down a directory.
Uses's Ryan Boren's htaccess rules and mods If you're upgrading, try this on a test server first! git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@591 7be80a69-a1ef-0310-a953-fb0f7c49ff36
Diffstat (limited to 'wp-inst/wp-includes/comment.php')
-rw-r--r--wp-inst/wp-includes/comment.php622
1 files changed, 0 insertions, 622 deletions
diff --git a/wp-inst/wp-includes/comment.php b/wp-inst/wp-includes/comment.php
deleted file mode 100644
index 9751c36..0000000
--- a/wp-inst/wp-includes/comment.php
+++ /dev/null
@@ -1,622 +0,0 @@
-<?php
-
-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 == $ok_to_comment ) &&
- ( empty($mod_keys) || false === strpos( $email, $mod_keys) ) )
- return true;
- else
- return false;
- } else {
- return false;
- }
- }
-
- return true;
-}
-
-function get_approved_comments($post_id) {
- global $wpdb;
-
- $post_id = (int) $post_id;
- return $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post_id' AND comment_approved = '1' ORDER BY comment_date");
-}
-
-// Retrieves comment data given a comment ID or comment object.
-// Handles comment caching.
-function &get_comment(&$comment, $output = OBJECT) {
- global $comment_cache, $wpdb;
-
- if ( empty($comment) )
- return null;
-
- if ( is_object($comment) ) {
- if ( !isset($comment_cache[$comment->comment_ID]) )
- $comment_cache[$comment->comment_ID] = &$comment;
- $_comment = & $comment_cache[$comment->comment_ID];
- } else {
- if ( !isset($comment_cache[$comment]) ) {
- $_comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment' LIMIT 1");
- $comment_cache[$comment->comment_ID] = & $_comment;
- } else {
- $_comment = & $comment_cache[$comment];
- }
- }
-
- if ( $output == OBJECT ) {
- return $_comment;
- } elseif ( $output == ARRAY_A ) {
- return get_object_vars($_comment);
- } elseif ( $output == ARRAY_N ) {
- return array_values(get_object_vars($_comment));
- } else {
- return $_comment;
- }
-}
-
-// Deprecate in favor of get_comment()?
-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;
- $myrow['comment_type'] = $postc->comment_type;
- }
- return $myrow;
-}
-
-function get_lastcommentmodified($timezone = 'server') {
- global $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 $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1");
- break;
- case 'blog':
- $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_date_gmt <= '$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 $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1");
- break;
- }
- $cache_lastcommentmodified[$timezone] = $lastcommentmodified;
- } else {
- $lastcommentmodified = $cache_lastcommentmodified[$timezone];
- }
- return $lastcommentmodified;
-}
-
-function wp_allow_comment($commentdata) {
- global $wpdb;
- extract($commentdata);
-
- $comment_user_domain = apply_filters('pre_comment_user_domain', gethostbyaddr($comment_author_IP) );
-
- // Simple duplicate check
- $dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$comment_author' ";
- if ( $comment_author_email )
- $dupe .= "OR comment_author_email = '$comment_author_email' ";
- $dupe .= ") AND comment_content = '$comment_content' LIMIT 1";
- if ( $wpdb->get_var($dupe) )
- die( __('Duplicate comment detected; it looks as though you\'ve already said that!') );
-
- // Simple flood-protection
- if ( $lasttime = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = '$comment_author_IP' OR comment_author_email = '$comment_author_email' ORDER BY comment_date DESC LIMIT 1") ) {
- $time_lastcomment = mysql2date('U', $lasttime);
- $time_newcomment = mysql2date('U', $comment_date_gmt);
- if ( ($time_newcomment - $time_lastcomment) < 15 ) {
- do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment);
- die( __('Sorry, you can only post a new comment once every 15 seconds. Slow down cowboy.') );
- }
- }
-
- if ( $user_id ) {
- $userdata = get_userdata($user_id);
- $user = new WP_User($user_id);
- $post_author = $wpdb->get_var("SELECT post_author FROM $wpdb->posts WHERE ID = '$comment_post_ID' LIMIT 1");
- }
-
- // The author and the admins get respect.
- if ( $userdata && ( $user_id == $post_author || $user->has_cap('level_9') ) ) {
- $approved = 1;
- }
-
- // Everyone else's comments will be checked.
- else {
- if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) )
- $approved = 1;
- else
- $approved = 0;
- if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) )
- $approved = 'spam';
- }
-
- $approved = apply_filters('pre_comment_approved', $approved);
- return $approved;
-}
-
-function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
- global $wpdb;
-
- do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent);
-
- if ( preg_match_all('/&#(\d+);/', $comment . $author . $url, $chars) ) {
- foreach ($chars[1] as $char) {
- // If it's an encoded char in the normal ASCII set, reject
- if ( 38 == $char )
- continue; // Unless it's &
- if ($char < 128)
- return true;
- }
- }
-
- $mod_keys = trim( get_settings('blacklist_keys') );
- if ('' == $mod_keys )
- return false; // 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, $author ) ) return true;
- if ( preg_match($pattern, $email ) ) return true;
- if ( preg_match($pattern, $url ) ) return true;
- if ( preg_match($pattern, $comment ) ) return true;
- if ( preg_match($pattern, $user_ip ) ) return true;
- if ( preg_match($pattern, $user_agent) ) return true;
- }
-
- if ( isset($_SERVER['REMOTE_ADDR']) ) {
- if ( wp_proxy_check($_SERVER['REMOTE_ADDR']) ) return true;
- }
-
- return false;
-}
-
-function wp_delete_comment($comment_id) {
- global $wpdb;
- do_action('delete_comment', $comment_id);
-
- $comment = get_comment($comment_id);
-
- if ( ! $wpdb->query("DELETE FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1") )
- return false;
-
- $post_id = $comment->comment_post_ID;
- if ( $post_id && $comment->comment_approved == 1 )
- wp_update_comment_count($post_id);
-
- do_action('wp_set_comment_status', $comment_id, 'delete');
- return true;
-}
-
-function wp_get_comment_status($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 wp_insert_comment($commentdata) {
- global $wpdb;
- extract($commentdata);
-
- if ( ! isset($comment_author_IP) )
- $comment_author_IP = $_SERVER['REMOTE_ADDR'];
- if ( ! isset($comment_date) )
- $comment_date = current_time('mysql');
- if ( ! isset($comment_date_gmt) )
- $comment_date_gmt = gmdate('Y-m-d H:i:s', strtotime($comment_date) );
- if ( ! isset($comment_parent) )
- $comment_parent = 0;
- if ( ! isset($comment_approved) )
- $comment_approved = 1;
- if ( ! isset($user_id) )
- $user_id = 0;
-
- $result = $wpdb->query("INSERT INTO $wpdb->comments
- (comment_post_ID, comment_author, comment_author_email, comment_author_url, comment_author_IP, comment_date, comment_date_gmt, comment_content, comment_approved, comment_agent, comment_type, comment_parent, user_id)
- VALUES
- ('$comment_post_ID', '$comment_author', '$comment_author_email', '$comment_author_url', '$comment_author_IP', '$comment_date', '$comment_date_gmt', '$comment_content', '$comment_approved', '$comment_agent', '$comment_type', '$comment_parent', '$user_id')
- ");
-
- $id = $wpdb->insert_id;
-
- if ( $comment_approved == 1)
- wp_update_comment_count($comment_post_ID);
-
- return $id;
-}
-
-function wp_filter_comment($commentdata) {
- $commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_ID']);
- $commentdata['comment_agent'] = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']);
- $commentdata['comment_author'] = apply_filters('pre_comment_author_name', $commentdata['comment_author']);
- $commentdata['comment_content'] = apply_filters('pre_comment_content', $commentdata['comment_content']);
- $commentdata['comment_author_IP'] = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']);
- $commentdata['comment_author_url'] = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']);
- $commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']);
- $commentdata['filtered'] = true;
- return $commentdata;
-}
-
-function wp_new_comment( $commentdata ) {
- $commentdata = apply_filters('preprocess_comment', $commentdata);
-
- $commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
- $commentdata['user_ID'] = (int) $commentdata['user_ID'];
-
- $commentdata['comment_author_IP'] = $_SERVER['REMOTE_ADDR'];
- $commentdata['comment_agent'] = $_SERVER['HTTP_USER_AGENT'];
-
- $commentdata['comment_date'] = current_time('mysql');
- $commentdata['comment_date_gmt'] = current_time('mysql', 1);
-
-
- $commentdata = wp_filter_comment($commentdata);
-
- $commentdata['comment_approved'] = wp_allow_comment($commentdata);
-
- $comment_ID = wp_insert_comment($commentdata);
-
- do_action('comment_post', $comment_ID, $commentdata['comment_approved']);
-
- if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching
- if ( '0' == $commentdata['comment_approved'] )
- wp_notify_moderator($comment_ID);
-
- $post = &get_post($commentdata['comment_post_ID']); // Don't notify if it's your own comment
-
- if ( get_settings('comments_notify') && $commentdata['comment_approved'] && $post->post_author != $commentdata['user_ID'] )
- wp_notify_postauthor($comment_ID, $commentdata['comment_type']);
- }
-
- return $comment_ID;
-}
-
-function wp_set_comment_status($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':
- return wp_delete_comment($comment_id);
- break;
- default:
- return false;
- }
-
- if ($wpdb->query($query)) {
- do_action('wp_set_comment_status', $comment_id, $comment_status);
-
- $comment = get_comment($comment_id);
- $comment_post_ID = $comment->comment_post_ID;
- $c = $wpdb->get_row( "SELECT count(*) as c FROM {$wpdb->comments} WHERE comment_post_ID = '$comment_post_ID' AND comment_approved = '1'" );
- if( is_object( $c ) )
- $wpdb->query( "UPDATE $wpdb->posts SET comment_count = '$c->c' WHERE ID = '$comment_post_ID'" );
- return true;
- } else {
- return false;
- }
-}
-
-function wp_update_comment($commentarr) {
- global $wpdb;
-
- // First, get all of the original fields
- $comment = get_comment($commentarr['comment_ID'], ARRAY_A);
-
- // Escape data pulled from DB.
- foreach ($comment as $key => $value)
- $comment[$key] = $wpdb->escape($value);
-
- // Merge old and new fields with new fields overwriting old ones.
- $commentarr = array_merge($comment, $commentarr);
-
- $commentarr = wp_filter_comment( $commentarr );
-
- // Now extract the merged array.
- extract($commentarr);
-
- $comment_content = apply_filters('comment_save_pre', $comment_content);
-
- $result = $wpdb->query(
- "UPDATE $wpdb->comments SET
- comment_content = '$comment_content',
- comment_author = '$comment_author',
- comment_author_email = '$comment_author_email',
- comment_approved = '$comment_approved',
- comment_author_url = '$comment_author_url',
- comment_date = '$comment_date'
- WHERE comment_ID = $comment_ID" );
-
- $rval = $wpdb->rows_affected;
-
- wp_update_comment_count($comment_post_ID);
-
- do_action('edit_comment', $comment_ID);
-
- return $rval;
-}
-
-function wp_update_comment_count($post_id) {
- global $wpdb, $comment_count_cache;
- $post_id = (int) $post_id;
- if ( !$post_id )
- return false;
- $count = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = '$post_id' AND comment_approved = '1'");
- $wpdb->query("UPDATE $wpdb->posts SET comment_count = $count WHERE ID = '$post_id'");
- $comment_count_cache[$post_id] = $count;
- return true;
-}
-
-function pingback($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, $content."\n");
-
- // Step 2.
- // Walking thru the links array
- // first we get rid of links pointing to sites, not to specific files
- // Example:
- // http://dummy-weblog.org
- // http://dummy-weblog.org/
- // http://dummy-weblog.org/post.php
- // We don't wanna ping first and second types, even if they have a valid <link/>
-
- foreach($post_links_temp[0] as $link_test) :
- if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself
- && !is_local_attachment($link_test) ) : // Also, let's never ping local attachments.
- $test = parse_url($link_test);
- if (isset($test['query']))
- $post_links[] = $link_test;
- elseif(($test['path'] != '/') && ($test['path'] != ''))
- $post_links[] = $link_test;
- endif;
- endforeach;
-
- do_action('pre_ping', array(&$post_links, &$pung));
-
- foreach ($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;
-
- if ( $client->query('pingback.ping', $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 \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 > $timeout_bytes) {
- // It's no use going further, there probably isn't any pingback
- // server to find in this file. (Prevents loading large files.)
- return false;
- }
- }
-
- // We didn't find anything.
- return false;
-}
-
-function is_local_attachment($url) {
- if ( !strstr($url, get_bloginfo('home') ) )
- return false;
- if ( strstr($url, get_bloginfo('home') . '/?attachment_id=') )
- return true;
- if ( $id = url_to_postid($url) ) {
- $post = & get_post($id);
- if ( 'attachment' == $post->post_type )
- return true;
- }
- return false;
-}
-
-?>