diff options
Diffstat (limited to 'wp-includes/functions.php')
| -rw-r--r-- | wp-includes/functions.php | 1168 |
1 files changed, 1168 insertions, 0 deletions
diff --git a/wp-includes/functions.php b/wp-includes/functions.php new file mode 100644 index 0000000..a8f5b5c --- /dev/null +++ b/wp-includes/functions.php @@ -0,0 +1,1168 @@ +<?php + +require_once(dirname(__FILE__).'/compat.php'); + +if ( !function_exists('_') ) { + function _($string) { + return $string; + } +} + +function mysql2date($dateformatstring, $mysqlstring, $translate = true) { + global $wp_locale; + $m = $mysqlstring; + if ( empty($m) ) { + return false; + } + $i = mktime(substr($m,11,2),substr($m,14,2),substr($m,17,2),substr($m,5,2),substr($m,8,2),substr($m,0,4)); + + if( 'U' == $dateformatstring ) + return $i; + + if ( -1 == $i || false == $i ) + $i = 0; + + if ( !empty($wp_locale->month) && !empty($wp_locale->weekday) && $translate ) { + $datemonth = $wp_locale->get_month(date('m', $i)); + $datemonth_abbrev = $wp_locale->get_month_abbrev($datemonth); + $dateweekday = $wp_locale->get_weekday(date('w', $i)); + $dateweekday_abbrev = $wp_locale->get_weekday_abbrev($dateweekday); + $datemeridiem = $wp_locale->get_meridiem(date('a', $i)); + $datemeridiem_capital = $wp_locale->get_meridiem(date('A', $i)); + $dateformatstring = ' '.$dateformatstring; + $dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit($dateweekday_abbrev), $dateformatstring); + $dateformatstring = preg_replace("/([^\\\])F/", "\\1".backslashit($datemonth), $dateformatstring); + $dateformatstring = preg_replace("/([^\\\])l/", "\\1".backslashit($dateweekday), $dateformatstring); + $dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit($datemonth_abbrev), $dateformatstring); + $dateformatstring = preg_replace("/([^\\\])a/", "\\1".backslashit($datemeridiem), $dateformatstring); + $dateformatstring = preg_replace("/([^\\\])A/", "\\1".backslashit($datemeridiem_capital), $dateformatstring); + + $dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1); + } + $j = @date($dateformatstring, $i); + if ( !$j ) { + // for debug purposes + // echo $i." ".$mysqlstring; + } + return $j; +} + +function current_time($type, $gmt = 0) { + switch ($type) { + case 'mysql': + if ( $gmt ) $d = gmdate('Y-m-d H:i:s'); + else $d = gmdate('Y-m-d H:i:s', (time() + (get_settings('gmt_offset') * 3600))); + return $d; + break; + case 'timestamp': + if ( $gmt ) $d = time(); + else $d = time() + (get_settings('gmt_offset') * 3600); + return $d; + break; + } +} + +function date_i18n($dateformatstring, $unixtimestamp) { + global $wp_locale; + $i = $unixtimestamp; + if ( (!empty($wp_locale->month)) && (!empty($wp_locale->weekday)) ) { + $datemonth = $wp_locale->get_month(date('m', $i)); + $datemonth_abbrev = $wp_locale->get_month_abbrev($datemonth); + $dateweekday = $wp_locale->get_weekday(date('w', $i)); + $dateweekday_abbrev = $wp_locale->get_weekday_abbrev($dateweekday); + $datemeridiem = $wp_locale->get_meridiem(date('a', $i)); + $datemeridiem_capital = $wp_locale->get_meridiem(date('A', $i)); + $dateformatstring = ' '.$dateformatstring; + $dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit($dateweekday_abbrev), $dateformatstring); + $dateformatstring = preg_replace("/([^\\\])F/", "\\1".backslashit($datemonth), $dateformatstring); + $dateformatstring = preg_replace("/([^\\\])l/", "\\1".backslashit($dateweekday), $dateformatstring); + $dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit($datemonth_abbrev), $dateformatstring); + $dateformatstring = preg_replace("/([^\\\])a/", "\\1".backslashit($datemeridiem), $dateformatstring); + $dateformatstring = preg_replace("/([^\\\])A/", "\\1".backslashit($datemeridiem_capital), $dateformatstring); + + $dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1); + } + $j = @date($dateformatstring, $i); + return $j; +} + +function get_weekstartend($mysqlstring, $start_of_week) { + $my = substr($mysqlstring,0,4); + $mm = substr($mysqlstring,8,2); + $md = substr($mysqlstring,5,2); + $day = mktime(0,0,0, $md, $mm, $my); + $weekday = date('w',$day); + $i = 86400; + + if ( $weekday < get_settings('start_of_week') ) + $weekday = 7 - (get_settings('start_of_week') - $weekday); + + while ($weekday > get_settings('start_of_week')) { + $weekday = date('w',$day); + if ( $weekday < get_settings('start_of_week') ) + $weekday = 7 - (get_settings('start_of_week') - $weekday); + + $day = $day - 86400; + $i = 0; + } + $week['start'] = $day + 86400 - $i; + // $week['end'] = $day - $i + 691199; + $week['end'] = $week['start'] + 604799; + return $week; +} + +function get_lastpostdate($timezone = 'server') { + global $cache_lastpostdate, $pagenow, $wpdb; + $add_seconds_blog = get_settings('gmt_offset') * 3600; + $add_seconds_server = date('Z'); + if ( !isset($cache_lastpostdate[$timezone]) ) { + switch(strtolower($timezone)) { + case 'gmt': + $lastpostdate = $wpdb->get_var("SELECT post_date_gmt FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1"); + break; + case 'blog': + $lastpostdate = $wpdb->get_var("SELECT post_date FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1"); + break; + case 'server': + $lastpostdate = $wpdb->get_var("SELECT DATE_ADD(post_date_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1"); + break; + } + $cache_lastpostdate[$timezone] = $lastpostdate; + } else { + $lastpostdate = $cache_lastpostdate[$timezone]; + } + return $lastpostdate; +} + +function get_lastpostmodified($timezone = 'server') { + global $cache_lastpostmodified, $pagenow, $wpdb; + $add_seconds_blog = get_settings('gmt_offset') * 3600; + $add_seconds_server = date('Z'); + if ( !isset($cache_lastpostmodified[$timezone]) ) { + switch(strtolower($timezone)) { + case 'gmt': + $lastpostmodified = $wpdb->get_var("SELECT post_modified_gmt FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1"); + break; + case 'blog': + $lastpostmodified = $wpdb->get_var("SELECT post_modified FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1"); + break; + case 'server': + $lastpostmodified = $wpdb->get_var("SELECT DATE_ADD(post_modified_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1"); + break; + } + $lastpostdate = get_lastpostdate($timezone); + if ( $lastpostdate > $lastpostmodified ) { + $lastpostmodified = $lastpostdate; + } + $cache_lastpostmodified[$timezone] = $lastpostmodified; + } else { + $lastpostmodified = $cache_lastpostmodified[$timezone]; + } + return $lastpostmodified; +} + +function maybe_unserialize($original) { + if ( false !== $gm = @ unserialize($original) ) + return $gm; + else + return $original; +} + +/* Options functions */ + +function get_settings($setting) { + global $wpdb, $switched, $current_blog; + + if ( $switched == false && defined('WP_INSTALLING') == false && $_REQUEST['nomemcache'] != 'all' && $_REQUEST['nomemcache'] != $setting ) { + $value = wp_cache_get($setting, 'options'); + } else { + $value = false; + wp_cache_delete($setting, 'options'); + } + +// Uncomment if we get any page not found or rewrite errors +// if( $setting == 'rewrite_rules' ) +// $value = false; + + if ( $value == 'novalueindb' ) + return false; + if ( $value == 'emptystringindb' ) + return ''; + + if ( false === $value ) { + if ( defined('WP_INSTALLING') ) + $wpdb->hide_errors(); + $row = $wpdb->get_row("SELECT option_value FROM $wpdb->options WHERE option_name = '$setting' LIMIT 1"); + if ( defined('WP_INSTALLING') ) + $wpdb->show_errors(); + + if( is_object( $row) ) { // Has to be get_row instead of get_var because of funkiness with 0, false, null values + $value = $row->option_value; + wp_cache_set($setting, ($value=='')?'emptystringindb':$value, 'options'); + } else { + wp_cache_set($setting, 'novalueindb', 'options'); + return false; + } + } + + // If home is not set use siteurl. + if ( 'home' == $setting && '' == $value ) + return get_settings('siteurl'); + + if ( 'siteurl' == $setting || 'home' == $setting || 'category_base' == $setting ) + $value = preg_replace('|/+$|', '', $value); + + if (! unserialize($value) ) + $value = stripslashes( $value ); + return apply_filters( 'option_' . $setting, maybe_unserialize($value) ); +} + +function get_option($option) { + return get_settings($option); +} + +function form_option($option) { + echo htmlspecialchars( get_option($option), ENT_QUOTES ); +} + +function get_alloptions() { + global $wpdb, $wp_queries; + $wpdb->hide_errors(); + if ( !$options = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'") ) { + $options = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options"); + } + $wpdb->show_errors(); + + foreach ($options as $option) { + // "When trying to design a foolproof system, + // never underestimate the ingenuity of the fools :)" -- Dougal + if ( 'siteurl' == $option->option_name ) + $option->option_value = preg_replace('|/+$|', '', $option->option_value); + if ( 'home' == $option->option_name ) + $option->option_value = preg_replace('|/+$|', '', $option->option_value); + if ( 'category_base' == $option->option_name ) + $option->option_value = preg_replace('|/+$|', '', $option->option_value); + $value = maybe_unserialize($option->option_value); + $all_options->{$option->option_name} = apply_filters('pre_option_' . $option->option_name, $value); + } + return apply_filters('all_options', $all_options); +} + +function update_option($option_name, $newvalue) { + global $wpdb; + + if ( is_string($newvalue) ) + $newvalue = trim($newvalue); + + // If the new and old values are the same, no need to update. + $oldvalue = get_option($option_name); + if ( $newvalue == $oldvalue ) { + return false; + } + + if ( false === $oldvalue ) { + add_option($option_name, $newvalue); + return true; + } + + $_newvalue = $newvalue; + if ( is_array($newvalue) || is_object($newvalue) ) + $newvalue = serialize($newvalue); + + wp_cache_delete($option_name, 'options'); + + $newvalue = $wpdb->escape($newvalue); + $option_name = $wpdb->escape($option_name); + $wpdb->query("UPDATE $wpdb->options SET option_value = '$newvalue' WHERE option_name = '$option_name'"); + if ( $wpdb->rows_affected == 1 ) { + do_action("update_option_{$option_name}", array('old'=>$oldvalue, 'new'=>$_newvalue)); + return true; + } + return false; +} + +// thx Alex Stapleton, http://alex.vort-x.net/blog/ +function add_option($name, $value = '', $description = '', $autoload = 'yes') { + global $wpdb; + + // Make sure the option doesn't already exist + if ( false !== get_option($name) ) + return; + + if ( is_array($value) || is_object($value) ) + $value = serialize($value); + + wp_cache_delete($name, 'options'); + + $name = $wpdb->escape($name); + $value = $wpdb->escape($value); + $description = $wpdb->escape($description); + $wpdb->query("INSERT INTO $wpdb->options (option_name, option_value, option_description, autoload) VALUES ('$name', '$value', '$description', '$autoload')"); + + return; +} + +function delete_option($name) { + global $wpdb; + // Get the ID, if no ID then return + $option_id = $wpdb->get_var("SELECT option_id FROM $wpdb->options WHERE option_name = '$name'"); + if ( !$option_id ) return false; + $wpdb->query("DELETE FROM $wpdb->options WHERE option_name = '$name'"); + wp_cache_delete($name, 'options'); + return true; +} + +function gzip_compression() { + if ( !get_settings('gzipcompression') ) return false; + + if ( extension_loaded('zlib') ) { + ob_start('ob_gzhandler'); + } +} + + +// functions to count the page generation time (from phpBB2) +// ( or just any time between timer_start() and timer_stop() ) + +function timer_stop($display = 0, $precision = 3) { //if called like timer_stop(1), will echo $timetotal + global $timestart, $timeend; + $mtime = microtime(); + $mtime = explode(' ',$mtime); + $mtime = $mtime[1] + $mtime[0]; + $timeend = $mtime; + $timetotal = $timeend-$timestart; + if ( $display ) + echo number_format($timetotal,$precision); + return $timetotal; +} + +function weblog_ping($server = '', $path = '') { + global $wp_version; + include_once (ABSPATH . WPINC . '/class-IXR.php'); + + // using a timeout of 3 seconds should be enough to cover slow servers + $client = new IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path)); + $client->timeout = 3; + $client->useragent .= ' -- WordPress/'.$wp_version; + + // when set to true, this outputs debug messages by itself + $client->debug = false; + $home = trailingslashit( get_option('home') ); + if ( !$client->query('weblogUpdates.extendedPing', get_settings('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping + $client->query('weblogUpdates.ping', get_settings('blogname'), $home); +} + +function generic_ping($post_id = 0) { + $services = get_settings('ping_sites'); + $services = preg_replace("|(\s)+|", '$1', $services); // Kill dupe lines + $services = trim($services); + if ( '' != $services ) { + $services = explode("\n", $services); + foreach ($services as $service) { + weblog_ping($service); + } + } + + return $post_id; +} + +// Send a Trackback +function trackback($trackback_url, $title, $excerpt, $ID) { + global $wpdb, $wp_version; + + if ( empty($trackback_url) ) + return; + + $title = urlencode($title); + $excerpt = urlencode($excerpt); + $blog_name = urlencode(get_settings('blogname')); + $tb_url = $trackback_url; + $url = urlencode(get_permalink($ID)); + $query_string = "title=$title&url=$url&blog_name=$blog_name&excerpt=$excerpt"; + $trackback_url = parse_url($trackback_url); + $http_request = 'POST ' . $trackback_url['path'] . ($trackback_url['query'] ? '?'.$trackback_url['query'] : '') . " HTTP/1.0\r\n"; + $http_request .= 'Host: '.$trackback_url['host']."\r\n"; + $http_request .= 'Content-Type: application/x-www-form-urlencoded; charset='.get_settings('blog_charset')."\r\n"; + $http_request .= 'Content-Length: '.strlen($query_string)."\r\n"; + $http_request .= "User-Agent: WordPress/" . $wp_version; + $http_request .= "\r\n\r\n"; + $http_request .= $query_string; + if ( '' == $trackback_url['port'] ) + $trackback_url['port'] = 80; + $fs = @fsockopen($trackback_url['host'], $trackback_url['port'], $errno, $errstr, 4); + @fputs($fs, $http_request); +/* + $debug_file = 'trackback.log'; + $fp = fopen($debug_file, 'a'); + fwrite($fp, "\n*****\nRequest:\n\n$http_request\n\nResponse:\n\n"); + while(!@feof($fs)) { + fwrite($fp, @fgets($fs, 4096)); + } + fwrite($fp, "\n\n"); + fclose($fp); +*/ + @fclose($fs); + + $tb_url = addslashes( $tb_url ); + $wpdb->query("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = '$ID'"); + return $wpdb->query("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = '$ID'"); +} + +function make_url_footnote($content) { + preg_match_all('/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches); + $j = 0; + for ($i=0; $i<count($matches[0]); $i++) { + $links_summary = (!$j) ? "\n" : $links_summary; + $j++; + $link_match = $matches[0][$i]; + $link_number = '['.($i+1).']'; + $link_url = $matches[2][$i]; + $link_text = $matches[4][$i]; + $content = str_replace($link_match, $link_text.' '.$link_number, $content); + $link_url = ((strtolower(substr($link_url,0,7)) != 'http://') && (strtolower(substr($link_url,0,8)) != 'https://')) ? get_settings('home') . $link_url : $link_url; + $links_summary .= "\n".$link_number.' '.$link_url; + } + $content = strip_tags($content); + $content .= $links_summary; + return $content; +} + + +function xmlrpc_getposttitle($content) { + global $post_default_title; + if ( preg_match('/<title>(.+?)<\/title>/is', $content, $matchtitle) ) { + $post_title = $matchtitle[0]; + $post_title = preg_replace('/<title>/si', '', $post_title); + $post_title = preg_replace('/<\/title>/si', '', $post_title); + } else { + $post_title = $post_default_title; + } + return $post_title; +} + +function xmlrpc_getpostcategory($content) { + global $post_default_category; + if ( preg_match('/<category>(.+?)<\/category>/is', $content, $matchcat) ) { + $post_category = trim($matchcat[1], ','); + $post_category = explode(',', $post_category); + } else { + $post_category = $post_default_category; + } + return $post_category; +} + +function xmlrpc_removepostdata($content) { + $content = preg_replace('/<title>(.+?)<\/title>/si', '', $content); + $content = preg_replace('/<category>(.+?)<\/category>/si', '', $content); + $content = trim($content); + return $content; +} + +function debug_fopen($filename, $mode) { + global $debug; + if ( $debug == 1 ) { + $fp = fopen($filename, $mode); + return $fp; + } else { + return false; + } +} + +function debug_fwrite($fp, $string) { + global $debug; + if ( $debug == 1 ) { + fwrite($fp, $string); + } +} + +function debug_fclose($fp) { + global $debug; + if ( $debug == 1 ) { + fclose($fp); + } +} + +function do_enclose( $content, $post_ID ) { + global $wp_version, $wpdb; + include_once (ABSPATH . WPINC . '/class-IXR.php'); + + $log = debug_fopen(ABSPATH . '/enclosures.log', 'a'); + $post_links = array(); + debug_fwrite($log, 'BEGIN '.date('YmdHis', time())."\n"); + + $pung = get_enclosed( $post_ID ); + + $ltrs = '\w'; + $gunk = '/#~:.?+=&%@!\-'; + $punc = '.:?\-'; + $any = $ltrs . $gunk . $punc; + + preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp); + + debug_fwrite($log, 'Post contents:'); + debug_fwrite($log, $content."\n"); + + foreach($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 $url) : + if ( $url != '' && !$wpdb->get_var("SELECT post_id FROM $wpdb->postmeta WHERE post_id = '$post_ID' AND meta_key = 'enclosure' AND meta_value LIKE ('$url%')") ) { + if ( $headers = wp_get_http_headers( $url) ) { + $len = (int) $headers['content-length']; + $type = $wpdb->escape( $headers['content-type'] ); + $allowed_types = array( 'video', 'audio' ); + if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) { + $meta_value = "$url\n$len\n$type\n"; + $wpdb->query( "INSERT INTO `$wpdb->postmeta` ( `post_id` , `meta_key` , `meta_value` ) + VALUES ( '$post_ID', 'enclosure' , '$meta_value')" ); + } + } + } + endforeach; +} + +function wp_get_http_headers( $url, $red = 1 ) { + global $wp_version; + @set_time_limit( 60 ); + + if ( $red > 5 ) + return false; + + $parts = parse_url( $url ); + $file = $parts['path'] . ($parts['query'] ? '?'.$parts['query'] : ''); + $host = $parts['host']; + if ( !isset( $parts['port'] ) ) + $parts['port'] = 80; + + $head = "HEAD $file HTTP/1.1\r\nHOST: $host\r\nUser-Agent: WordPress/" . $wp_version . "\r\n\r\n"; + + $fp = @fsockopen($host, $parts['port'], $err_num, $err_msg, 3); + if ( !$fp ) + return false; + + $response = ''; + fputs( $fp, $head ); + while ( !feof( $fp ) && strpos( $response, "\r\n\r\n" ) == false ) + $response .= fgets( $fp, 2048 ); + fclose( $fp ); + preg_match_all('/(.*?): (.*)\r/', $response, $matches); + $count = count($matches[1]); + for ( $i = 0; $i < $count; $i++) { + $key = strtolower($matches[1][$i]); + $headers["$key"] = $matches[2][$i]; + } + + preg_match('/.*([0-9]{3}).*/', $response, $return); + $headers['response'] = $return[1]; // HTTP response code eg 204, 200, 404 + + $code = $headers['response']; + if ( ('302' == $code || '301' == $code) && isset($headers['location']) ) + return wp_get_http_headers( $headers['location'], ++$red ); + + return $headers; +} + +function is_new_day() { + global $day, $previousday; + if ( $day != $previousday ) { + return(1); + } else { + return(0); + } +} + +function update_post_cache(&$posts) { + global $post_cache; + + if ( !$posts ) + return; + + for ($i = 0; $i < count($posts); $i++) { + $post_cache[$posts[$i]->ID] = &$posts[$i]; + } +} + +function clean_post_cache($id) { + global $post_cache; + + if ( isset( $post_cache[$id] ) ) + unset( $post_cache[$id] ); +} + +function update_page_cache(&$pages) { + global $page_cache; + + if ( !$pages ) + return; + + for ($i = 0; $i < count($pages); $i++) { + $page_cache[$pages[$i]->ID] = &$pages[$i]; + wp_cache_add($pages[$i]->ID, $pages[$i], 'pages'); + } +} + + +function clean_page_cache($id) { + global $page_cache, $wpdb; + + if ( isset( $page_cache[$id] ) ) + unset( $page_cache[$id] ); + + $page_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_type='page'"); + wp_cache_delete('all_page_ids','pages'); + +} + +function update_post_category_cache($post_ids) { + global $wpdb, $category_cache; + + if ( empty($post_ids) ) + return; + + if ( is_array($post_ids) ) + $post_ids = implode(',', $post_ids); + + $dogs = $wpdb->get_results("SELECT post_id, category_id FROM $wpdb->post2cat WHERE post_id IN ($post_ids)"); + + if ( empty($dogs) ) + return; + + foreach ($dogs as $catt) + $category_cache[$catt->post_id][$catt->category_id] = &get_category($catt->category_id); +} + +function update_post_caches(&$posts) { + global $post_cache, $category_cache, $post_meta_cache; + global $wpdb; + + // No point in doing all this work if we didn't match any posts. + if ( !$posts ) + return; + + // Get the categories for all the posts + for ($i = 0; $i < count($posts); $i++) { + $post_id_array[] = $posts[$i]->ID; + $post_cache[$posts[$i]->ID] = &$posts[$i]; + } + + $post_id_list = implode(',', $post_id_array); + + update_post_category_cache($post_id_list); + + // Get post-meta info + if ( $meta_list = $wpdb->get_results("SELECT post_id, meta_key, meta_value FROM $wpdb->postmeta WHERE post_id IN($post_id_list) ORDER BY post_id, meta_key", ARRAY_A) ) { + // Change from flat structure to hierarchical: + $post_meta_cache = array(); + foreach ($meta_list as $metarow) { + $mpid = $metarow['post_id']; + $mkey = $metarow['meta_key']; + $mval = $metarow['meta_value']; + + // Force subkeys to be array type: + if ( !isset($post_meta_cache[$mpid]) || !is_array($post_meta_cache[$mpid]) ) + $post_meta_cache[$mpid] = array(); + if ( !isset($post_meta_cache[$mpid]["$mkey"]) || !is_array($post_meta_cache[$mpid]["$mkey"]) ) + $post_meta_cache[$mpid]["$mkey"] = array(); + + // Add a value to the current pid/key: + $post_meta_cache[$mpid][$mkey][] = $mval; + } + } +} + +function update_category_cache() { + return true; +} + +/* +add_query_arg: Returns a modified querystring by adding +a single key & value or an associative array. +Setting a key value to emptystring removes the key. +Omitting oldquery_or_uri uses the $_SERVER value. + +Parameters: +add_query_arg(newkey, newvalue, oldquery_or_uri) or +add_query_arg(associative_array, oldquery_or_uri) +*/ +function add_query_arg() { + $ret = ''; + if ( is_array(func_get_arg(0)) ) { + if ( @func_num_args() < 2 || '' == @func_get_arg(1) ) + $uri = $_SERVER['REQUEST_URI']; + else + $uri = @func_get_arg(1); + } else { + if ( @func_num_args() < 3 || '' == @func_get_arg(2) ) + $uri = $_SERVER['REQUEST_URI']; + else + $uri = @func_get_arg(2); + } + + if ( preg_match('|^https?://|i', $uri, $matches) ) { + $protocol = $matches[0]; + $uri = substr($uri, strlen($protocol)); + } else { + $protocol = ''; + } + + if ( strstr($uri, '?') ) { + $parts = explode('?', $uri, 2); + if ( 1 == count($parts) ) { + $base = '?'; + $query = $parts[0]; + } else { + $base = $parts[0] . '?'; + $query = $parts[1]; + } + } else if ( !empty($protocol) || strstr($uri, '/') ) { + $base = $uri . '?'; + $query = ''; + } else { + $base = ''; + $query = $uri; + } + + parse_str($query, $qs); + if ( is_array(func_get_arg(0)) ) { + $kayvees = func_get_arg(0); + $qs = array_merge($qs, $kayvees); + } else { + $qs[func_get_arg(0)] = func_get_arg(1); + } + + foreach($qs as $k => $v) { + if ( $v != '' ) { + if ( $ret != '' ) + $ret .= '&'; + $ret .= "$k=$v"; + } + } + $ret = $protocol . $base . $ret; + if ( get_magic_quotes_gpc() ) + $ret = stripslashes($ret); // parse_str() adds slashes if magicquotes is on. See: http://php.net/parse_str + return trim($ret, '?'); +} + +/* +remove_query_arg: Returns a modified querystring by removing +a single key or an array of keys. +Omitting oldquery_or_uri uses the $_SERVER value. + +Parameters: +remove_query_arg(removekey, [oldquery_or_uri]) or +remove_query_arg(removekeyarray, [oldquery_or_uri]) +*/ + +function remove_query_arg($key, $query='') { + if ( is_array($key) ) { // removing multiple keys + foreach ( (array) $key as $k ) + $query = add_query_arg($k, '', $query); + return $query; + } + return add_query_arg($key, '', $query); +} + +function add_magic_quotes($array) { + global $wpdb; + + foreach ($array as $k => $v) { + if ( is_array($v) ) { + $array[$k] = add_magic_quotes($v); + } else { + $array[$k] = $wpdb->escape($v); + } + } + return $array; +} + +function wp_remote_fopen( $uri ) { + if ( ini_get('allow_url_fopen') ) { + $fp = fopen( $uri, 'r' ); + if ( !$fp ) + return false; + $linea = ''; + while( $remote_read = fread($fp, 4096) ) + $linea .= $remote_read; + fclose($fp); + return $linea; + } else if ( function_exists('curl_init') ) { + $handle = curl_init(); + curl_setopt ($handle, CURLOPT_URL, $uri); + curl_setopt ($handle, CURLOPT_CONNECTTIMEOUT, 1); + curl_setopt ($handle, CURLOPT_RETURNTRANSFER, 1); + $buffer = curl_exec($handle); + curl_close($handle); + return $buffer; + } else { + return false; + } +} + +function wp($query_vars = '') { + global $wp; + + $wp->main($query_vars); +} + +function status_header( $header ) { + if ( 200 == $header ) + $text = 'OK'; + elseif ( 301 == $header ) + $text = 'Moved Permanently'; + elseif ( 302 == $header ) + $text = 'Moved Temporarily'; + elseif ( 304 == $header ) + $text = 'Not Modified'; + elseif ( 404 == $header ) + $text = 'Not Found'; + elseif ( 410 == $header ) + $text = 'Gone'; + + @header("HTTP/1.1 $header $text"); + @header("Status: $header $text"); +} + +function nocache_headers() { + @ header('Expires: Wed, 11 Jan 1984 05:00:00 GMT'); + @ header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); + @ header('Cache-Control: no-cache, must-revalidate, max-age=0'); + @ header('Pragma: no-cache'); +} + +function get_num_queries() { + global $wpdb; + return $wpdb->num_queries; +} + +function privacy_ping_filter( $sites ) { + global $current_blog; + if ( '0' != $current_blog->public ) + return $sites; + else + return ''; +} + +function bool_from_yn($yn) { + if ($yn == 'Y') return 1; + return 0; +} + +function do_feed() { + $feed = get_query_var('feed'); + + // Remove the pad, if present. + $feed = preg_replace('/^_+/', '', $feed); + + if ($feed == '' || $feed == 'feed') + $feed = 'rss2'; + + $for_comments = false; + if ( is_single() || (get_query_var('withcomments') == 1) ) { + $feed = 'rss2'; + $for_comments = true; + } + + $hook = 'do_feed_' . $feed; + do_action($hook, $for_comments); +} + +function do_feed_rdf() { + load_template(ABSPATH . 'wp-rdf.php'); +} + +function do_feed_rss() { + load_template(ABSPATH . 'wp-rss.php'); +} + +function do_feed_rss2($for_comments) { + if ( $for_comments ) { + load_template(ABSPATH . 'wp-commentsrss2.php'); + } else { + load_template(ABSPATH . 'wp-rss2.php'); + } +} + +function do_feed_atom() { + load_template(ABSPATH . 'wp-atom.php'); +} + +function do_robots() { + global $current_blog; + do_action('do_robots'); + if ( '0' == $current_blog->public ) { + echo "User-agent: *\n"; + echo "Disallow: /\n"; + } else { + echo "User-agent: *\n"; + echo "Disallow:\n"; + } +} + +function is_blog_installed() { + global $wpdb; + $wpdb->hide_errors(); + $installed = $wpdb->get_var("SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'"); + $wpdb->show_errors(); + return $installed; +} + +function wp_nonce_url($actionurl, $action = -1) { + return add_query_arg('_wpnonce', wp_create_nonce($action), $actionurl); +} + +function wp_nonce_field($action = -1) { + echo '<input type="hidden" name="_wpnonce" value="' . wp_create_nonce($action) . '" />'; +} + +function wp_mkdir_p($target) { + // from php.net/mkdir user contributed notes + if (file_exists($target)) { + if (! @ is_dir($target)) + return false; + else + return true; + } + + // Attempting to create the directory may clutter up our display. + if (@ mkdir($target)) { + $stat = @ stat(dirname($target)); + $dir_perms = $stat['mode'] & 0007777; // Get the permission bits. + @ chmod($target, $dir_perms); + return true; + } else { + if ( is_dir(dirname($target)) ) + return false; + } + + // If the above failed, attempt to create the parent node, then try again. + if (wp_mkdir_p(dirname($target))) + return wp_mkdir_p($target); + + return false; +} + +// Returns an array containing the current upload directory's path and url, or an error message. +function wp_upload_dir() { + $siteurl = get_settings('siteurl'); + //prepend ABSPATH to $dir and $siteurl to $url if they're not already there + $path = str_replace(ABSPATH, '', trim(get_settings('upload_path'))); + $dir = ABSPATH . $path; + $url = trailingslashit($siteurl) . $path; + + if ( $dir == ABSPATH ) { //the option was empty + $dir = ABSPATH . 'wp-content/uploads'; + } + + if ( defined('UPLOADS') ) { + $dir = ABSPATH . UPLOADS; + $url = trailingslashit($siteurl) . UPLOADS; + } + + if ( get_settings('uploads_use_yearmonth_folders')) { + // Generate the yearly and monthly dirs + $time = current_time( 'mysql' ); + $y = substr( $time, 0, 4 ); + $m = substr( $time, 5, 2 ); + $dir = $dir . "/$y/$m"; + $url = $url . "/$y/$m"; + } + + // Make sure we have an uploads dir + if ( ! wp_mkdir_p( $dir ) ) { + $message = sprintf(__('Unable to create directory %s. Is its parent directory writable by the server?'), $dir); + return array('error' => $message); + } + + $uploads = array('path' => $dir, 'url' => $url, 'error' => false); + return apply_filters('upload_dir', $uploads); +} + +function wp_upload_bits($name, $type, $bits) { + if ( empty($name) ) + return array('error' => __("Empty filename")); + + $wp_filetype = wp_check_filetype($name); + if ( !$wp_filetype['ext'] ) + return array('error' => __("Invalid file type")); + + $upload = wp_upload_dir(); + + if ( $upload['error'] !== false ) + return $upload; + + $number = ''; + $filename = $name; + $path_parts = pathinfo($filename); + $ext = $path_parts['extension']; + if ( empty($ext) ) + $ext = ''; + else + $ext = ".$ext"; + while ( file_exists($upload['path'] . "/$filename") ) { + if ( '' == "$number$ext" ) + $filename = $filename . ++$number . $ext; + else + $filename = str_replace("$number$ext", ++$number . $ext, $filename); + } + + $new_file = $upload['path'] . "/$filename"; + if ( ! wp_mkdir_p( dirname($new_file) ) ) { + $message = sprintf(__('Unable to create directory %s. Is its parent directory writable by the server?'), dirname($new_file)); + return array('error' => $message); + } + + $ifp = @ fopen($new_file, 'wb'); + if ( ! $ifp ) + return array('error' => "Could not write file $new_file."); + + $success = @ fwrite($ifp, $bits); + fclose($ifp); + // Set correct file permissions + $stat = @ stat(dirname($new_file)); + $perms = $stat['mode'] & 0007777; + $perms = $perms & 0000666; + @ chmod($new_file, $perms); + + // Compute the URL + $url = $upload['url'] . "/$filename"; + + return array('file' => $new_file, 'url' => $url, 'error' => false); +} + +function wp_check_filetype($filename, $mimes = null) { + // Accepted MIME types are set here as PCRE unless provided. + $mimes = is_array($mimes) ? $mimes : apply_filters('upload_mimes', array ( + 'jpg|jpeg|jpe' => 'image/jpeg', + 'gif' => 'image/gif', + 'png' => 'image/png', + 'bmp' => 'image/bmp', + 'tif|tiff' => 'image/tiff', + 'ico' => 'image/x-icon', + 'asf|asx|wax|wmv|wmx' => 'video/asf', + 'avi' => 'video/avi', + 'mov|qt' => 'video/quicktime', + 'mpeg|mpg|mpe' => 'video/mpeg', + 'txt|c|cc|h' => 'text/plain', + 'rtx' => 'text/richtext', + 'css' => 'text/css', + 'htm|html' => 'text/html', + 'mp3|mp4' => 'audio/mpeg', + 'ra|ram' => 'audio/x-realaudio', + 'wav' => 'audio/wav', + 'ogg' => 'audio/ogg', + 'mid|midi' => 'audio/midi', + 'wma' => 'audio/wma', + 'rtf' => 'application/rtf', + 'js' => 'application/javascript', + 'pdf' => 'application/pdf', + 'doc' => 'application/msword', + 'pot|pps|ppt' => 'application/vnd.ms-powerpoint', + 'wri' => 'application/vnd.ms-write', + 'xla|xls|xlt|xlw' => 'application/vnd.ms-excel', + 'mdb' => 'application/vnd.ms-access', + 'mpp' => 'application/vnd.ms-project', + 'swf' => 'application/x-shockwave-flash', + 'class' => 'application/java', + 'tar' => 'application/x-tar', + 'zip' => 'application/zip', + 'gz|gzip' => 'application/x-gzip', + 'exe' => 'application/x-msdownload' + )); + + $type = false; + $ext = false; + + foreach ($mimes as $ext_preg => $mime_match) { + $ext_preg = '!\.(' . $ext_preg . ')$!i'; + if ( preg_match($ext_preg, $filename, $ext_matches) ) { + $type = $mime_match; + $ext = $ext_matches[1]; + break; + } + } + + return compact('ext', 'type'); +} + +function do_trackbacks($post_id) { + global $wpdb; + + $post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = $post_id"); + $to_ping = get_to_ping($post_id); + $pinged = get_pung($post_id); + if ( empty($to_ping) ) { + $wpdb->query("UPDATE $wpdb->posts SET to_ping = '' WHERE ID = '$post_id'"); + return; + } + + if (empty($post->post_excerpt)) + $excerpt = apply_filters('the_content', $post->post_content); + else + $excerpt = apply_filters('the_excerpt', $post->post_excerpt); + $excerpt = str_replace(']]>', ']]>', $excerpt); + $excerpt = strip_tags($excerpt); + if ( function_exists('mb_strcut') ) // For international trackbacks + $excerpt = mb_strcut($excerpt, 0, 252, get_settings('blog_charset')) . '...'; + else + $excerpt = substr($excerpt, 0, 252) . '...'; + + $post_title = apply_filters('the_title', $post->post_title); + $post_title = strip_tags($post_title); + + if ($to_ping) : foreach ($to_ping as $tb_ping) : + $tb_ping = trim($tb_ping); + if ( !in_array($tb_ping, $pinged) ) { + trackback($tb_ping, $post_title, $excerpt, $post_id); + $pinged[] = $tb_ping; + } else { + $wpdb->query("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_ping', '')) WHERE ID = '$post_id'"); + } + endforeach; endif; +} + +function do_all_pings() { + global $wpdb; + + // Do pingbacks + while ($ping = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) { + $wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$ping->ID} AND meta_key = '_pingme';"); + pingback($ping->post_content, $ping->ID); + } + + // Do Enclosures + while ($enclosure = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) { + $wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$enclosure->ID} AND meta_key = '_encloseme';"); + do_enclose($enclosure->post_content, $enclosure->ID); + } + + // Do Trackbacks + $trackbacks = $wpdb->get_results("SELECT ID FROM $wpdb->posts WHERE CHAR_LENGTH(TRIM(to_ping)) > 7 AND post_status = 'publish'"); + if ( is_array($trackbacks) ) { + foreach ( $trackbacks as $trackback ) { + do_trackbacks($trackback->ID); + } + } + + //Do Update Services/Generic Pings + generic_ping(); +} + +function wp_proxy_check($ipnum) { + if ( get_option('open_proxy_check') && isset($ipnum) ) { + $rev_ip = implode( '.', array_reverse( explode( '.', $ipnum ) ) ); + $lookup = $rev_ip . '.opm.blitzed.org.'; + if ( $lookup != gethostbyname( $lookup ) ) + return true; + } + + return false; +} + +?> |