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WordPress/wp-includes/functions.php

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<?php
require_once(dirname(__FILE__).'/functions-compat.php');
if (!function_exists('_')) {
function _($string) {
return $string;
}
}
function get_profile($field, $user = false) {
global $wpdb;
if (!$user)
$user = $wpdb->escape($_COOKIE['wordpressuser_' . COOKIEHASH]);
return $wpdb->get_var("SELECT $field FROM $wpdb->users WHERE user_login = '$user'");
}
function mysql2date($dateformatstring, $mysqlstring, $use_b2configmonthsdays = 1) {
global $month, $weekday, $month_abbrev, $weekday_abbrev;
$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($m,0,4));
if (!empty($month) && !empty($weekday) && $use_b2configmonthsdays) {
$datemonth = $month[date('m', $i)];
$datemonth_abbrev = $month_abbrev[$datemonth];
$dateweekday = $weekday[date('w', $i)];
$dateweekday_abbrev = $weekday_abbrev[$dateweekday];
$dateformatstring = ' '.$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);
$dateformatstring = substr($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 $month, $weekday;
$i = $unixtimestamp;
if ((!empty($month)) && (!empty($weekday))) {
$datemonth = $month[date('m', $i)];
$dateweekday = $weekday[date('w', $i)];
$dateformatstring = ' '.$dateformatstring;
$dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit(substr($dateweekday, 0, 3)), $dateformatstring);
$dateformatstring = preg_replace("/([^\\\])F/", "\\1".backslashit($datemonth), $dateformatstring);
$dateformatstring = preg_replace("/([^\\\])l/", "\\1".backslashit($dateweekday), $dateformatstring);
$dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit(substr($datemonth, 0, 3)), $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);
$i = 86400;
while ($weekday > get_settings('start_of_week')) {
$weekday = date('w',$day);
$day = $day - 86400;
$i = 0;
}
$week['start'] = $day + 86400 - $i;
$week['end'] = $day + 691199;
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');
$now = current_time('mysql', 1);
if ( !isset($cache_lastpostdate[$timezone]) ) {
switch(strtolower($timezone)) {
case 'gmt':
$lastpostdate = $wpdb->get_var("SELECT post_date_gmt FROM $wpdb->posts WHERE post_date_gmt <= '$now' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1");
break;
case 'blog':
$lastpostdate = $wpdb->get_var("SELECT post_date FROM $wpdb->posts WHERE post_date_gmt <= '$now' AND 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 $wpdb->posts WHERE post_date_gmt <= '$now' AND 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');
$now = current_time('mysql', 1);
if ( !isset($cache_lastpostmodified[$timezone]) ) {
switch(strtolower($timezone)) {
case 'gmt':
$lastpostmodified = $wpdb->get_var("SELECT post_modified_gmt FROM $wpdb->posts WHERE post_modified_gmt <= '$now' AND post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1");
break;
case 'blog':
$lastpostmodified = $wpdb->get_var("SELECT post_modified FROM $wpdb->posts WHERE post_modified_gmt <= '$now' AND 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 $wpdb->posts WHERE post_modified_gmt <= '$now' AND 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 $lastpostmodified;
}
function user_pass_ok($user_login,$user_pass) {
global $cache_userdata;
if ( empty($cache_userdata[$user_login]) ) {
$userdata = get_userdatabylogin($user_login);
} else {
$userdata = $cache_userdata[$user_login];
}
return (md5($user_pass) == $userdata->user_pass);
}
if ( !function_exists('get_currentuserinfo') ) {
function get_currentuserinfo() { // a bit like get_userdata(), on steroids
global $user_login, $userdata, $user_level, $user_ID, $user_nickname, $user_email, $user_url, $user_pass_md5, $user_identity;
// *** retrieving user's data from cookies and db - no spoofing
if (isset($_COOKIE['wordpressuser_' . COOKIEHASH]))
$user_login = $_COOKIE['wordpressuser_' . COOKIEHASH];
$userdata = get_userdatabylogin($user_login);
$user_level = $userdata->user_level;
$user_ID = $userdata->ID;
$user_nickname = $userdata->user_nickname;
$user_email = $userdata->user_email;
$user_url = $userdata->user_url;
$user_pass_md5 = md5($userdata->user_pass);
$idmode = $userdata->user_idmode;
if ($idmode == 'nickname') $user_identity = $userdata->user_nickname;
if ($idmode == 'login') $user_identity = $userdata->user_login;
if ($idmode == 'firstname') $user_identity = $userdata->user_firstname;
if ($idmode == 'lastname') $user_identity = $userdata->user_lastname;
if ($idmode == 'namefl') $user_identity = $userdata->user_firstname.' '.$userdata->user_lastname;
if ($idmode == 'namelf') $user_identity = $userdata->user_lastname.' '.$userdata->user_firstname;
if (!$idmode) $user_identity = $userdata->user_nickname;
}
}
if ( !function_exists('get_userdata') ) {
function get_userdata($userid) {
global $wpdb, $cache_userdata;
$userid = (int) $userid;
if ( empty($cache_userdata[$userid]) && $userid != 0) {
$cache_userdata[$userid] =
$wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = '$userid'");
}
return $cache_userdata[$userid];
}
}
if ( !function_exists('get_userdatabylogin') ) {
function get_userdatabylogin($user_login) {
global $cache_userdata, $wpdb;
if ( !empty($user_login) && empty($cache_userdata["$user_login"]) ) {
$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE user_login = '$user_login'");
$cache_userdata["$user_login"] = $user;
} else {
$user = $cache_userdata["$user_login"];
}
return $user;
}
}
function get_userid($user_login) {
global $cache_userdata, $wpdb;
if ( !empty($user_login) && empty($cache_userdata["$user_login"]) ) {
$user_id = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_login = '$user_login'");
$cache_userdata["$user_login"] = $user_id;
} else {
$user_id = $cache_userdata["$user_login"];
}
return $user_id;
}
function get_usernumposts($userid) {
global $wpdb;
return $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->posts WHERE post_author = '$userid'");
}
// examine a url (supposedly from this blog) and try to
// determine the post ID it represents.
function url_to_postid($url = '') {
global $wpdb;
$siteurl = get_settings('home');
// Take a link like 'http://example.com/blog/something'
// and extract just the '/something':
$uri = preg_replace("#$siteurl#i", '', $url);
// on failure, preg_replace just returns the subject string
// so if $uri and $siteurl are the same, they didn't match:
if ($uri == $siteurl)
return 0;
// First, check to see if there is a 'p=N' to match against:
preg_match('#[?&]p=(\d+)#', $uri, $values);
$p = intval($values[1]);
if ($p) return $p;
// Match $uri against our permalink structure
$permalink_structure = get_settings('permalink_structure');
// Matt's tokenizer code
$rewritecode = array(
'%year%',
'%monthnum%',
'%day%',
'%hour%',
'%minute%',
'%second%',
'%postname%',
'%post_id%'
);
$rewritereplace = array(
'([0-9]{4})?',
'([0-9]{1,2})?',
'([0-9]{1,2})?',
'([0-9]{1,2})?',
'([0-9]{1,2})?',
'([0-9]{1,2})?',
'([_0-9a-z-]+)?',
'([0-9]+)?'
);
// Turn the structure into a regular expression
$matchre = str_replace('/', '/?', $permalink_structure);
$matchre = str_replace($rewritecode, $rewritereplace, $matchre);
// Extract the key values from the uri:
preg_match("#$matchre#",$uri,$values);
// Extract the token names from the structure:
preg_match_all("#%(.+?)%#", $permalink_structure, $tokens);
for($i = 0; $i < count($tokens[1]); $i++) {
$name = $tokens[1][$i];
$value = $values[$i+1];
// Create a variable named $year, $monthnum, $day, $postname, or $post_id:
$$name = $value;
}
// If using %post_id%, we're done:
if (intval($post_id)) return intval($post_id);
// Otherwise, build a WHERE clause, making the values safe along the way:
if ($year) $where .= " AND YEAR(post_date) = '" . intval($year) . "'";
if ($monthnum) $where .= " AND MONTH(post_date) = '" . intval($monthnum) . "'";
if ($day) $where .= " AND DAYOFMONTH(post_date) = '" . intval($day) . "'";
if ($hour) $where .= " AND HOUR(post_date) = '" . intval($hour) . "'";
if ($minute) $where .= " AND MINUTE(post_date) = '" . intval($minute) . "'";
if ($second) $where .= " AND SECOND(post_date) = '" . intval($second) . "'";
if ($postname) $where .= " AND post_name = '" . $wpdb->escape($postname) . "' ";
// We got no indication, so we return false:
if (!strlen($where)) {
return false;
}
// Run the query to get the post ID:
$id = intval($wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE 1 = 1 " . $where));
return $id;
}
/* Options functions */
function get_settings($setting) {
global $wpdb, $cache_settings, $cache_nonexistantoptions;
if ( strstr($_SERVER['REQUEST_URI'], 'wp-admin/install.php') )
return false;
if ( empty($cache_settings) )
$cache_settings = get_alloptions();
if ( empty($cache_nonexistantoptions) )
$cache_nonexistantoptions = array();
if ('home' == $setting && '' == $cache_settings->home)
return apply_filters('option_' . $setting, $cache_settings->siteurl);
if ( isset($cache_settings->$setting) ) :
return apply_filters('option_' . $setting, $cache_settings->$setting);
else :
// for these cases when we're asking for an unknown option
if ( isset($cache_nonexistantoptions[$setting]) )
return false;
$option = $wpdb->get_var("SELECT option_value FROM $wpdb->options WHERE option_name = '$setting'");
if (!$option) :
$cache_nonexistantoptions[$setting] = true;
return false;
endif;
@ $kellogs = unserialize($option);
if ($kellogs !== FALSE)
return apply_filters('option_' . $setting, $kellogs);
else return apply_filters('option_' . $setting, $option);
endif;
}
function get_option($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);
@ $value = unserialize($option->option_value);
if ($value === FALSE)
$value = $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, $cache_settings;
if ( is_array($newvalue) || is_object($newvalue) )
$newvalue = serialize($newvalue);
$newvalue = trim($newvalue); // I can't think of any situation we wouldn't want to trim
// If the new and old values are the same, no need to update.
if ($newvalue == get_option($option_name)) {
return true;
}
// If it's not there add it
if ( !$wpdb->get_var("SELECT option_name FROM $wpdb->options WHERE option_name = '$option_name'") )
add_option($option_name);
$newvalue = $wpdb->escape($newvalue);
$wpdb->query("UPDATE $wpdb->options SET option_value = '$newvalue' WHERE option_name = '$option_name'");
$cache_settings = get_alloptions(); // Re cache settings
return true;
}
// thx Alex Stapleton, http://alex.vort-x.net/blog/
function add_option($name, $value = '', $description = '', $autoload = 'yes') {
global $wpdb;
$original = $value;
if ( is_array($value) || is_object($value) )
$value = serialize($value);
if( !$wpdb->get_var("SELECT option_name FROM $wpdb->options WHERE option_name = '$name'") ) {
$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', '$autoload')");
if($wpdb->insert_id) {
global $cache_settings;
$cache_settings->{$name} = $original;
}
}
return;
}
function delete_option($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'");
return true;
}
function add_post_meta($post_id, $key, $value, $unique = false) {
global $wpdb;
if ($unique) {
if( $wpdb->get_var("SELECT meta_key FROM $wpdb->postmeta WHERE meta_key
= '$key' AND post_id = '$post_id'") ) {
return false;
}
}
$wpdb->query("INSERT INTO $wpdb->postmeta
(post_id,meta_key,meta_value)
VALUES ('$post_id','$key','$value')
");
return true;
}
function delete_post_meta($post_id, $key, $value = '') {
global $wpdb;
if (empty($value)) {
$meta_id = $wpdb->get_var("SELECT meta_id FROM $wpdb->postmeta WHERE
post_id = '$post_id' AND meta_key = '$key'");
} else {
$meta_id = $wpdb->get_var("SELECT meta_id FROM $wpdb->postmeta WHERE
post_id = '$post_id' AND meta_key = '$key' AND meta_value = '$value'");
}
if (!$meta_id) return false;
if (empty($value)) {
$wpdb->query("DELETE FROM $wpdb->postmeta WHERE post_id = '$post_id'
AND meta_key = '$key'");
} else {
$wpdb->query("DELETE FROM $wpdb->postmeta WHERE post_id = '$post_id'
AND meta_key = '$key' AND meta_value = '$value'");
}
return true;
}
function get_post_meta($post_id, $key, $single = false) {
global $wpdb, $post_meta_cache;
if (isset($post_meta_cache[$post_id][$key])) {
if ($single) {
return $post_meta_cache[$post_id][$key][0];
} else {
return $post_meta_cache[$post_id][$key];
}
}
$metalist = $wpdb->get_results("SELECT meta_value FROM $wpdb->postmeta WHERE post_id = '$post_id' AND meta_key = '$key'", ARRAY_N);
$values = array();
if ($metalist) {
foreach ($metalist as $metarow) {
$values[] = $metarow[0];
}
}
if ($single) {
if (count($values)) {
return $values[0];
} else {
return '';
}
} else {
return $values;
}
}
function update_post_meta($post_id, $key, $value, $prev_value = '') {
global $wpdb, $post_meta_cache;
if(! $wpdb->get_var("SELECT meta_key FROM $wpdb->postmeta WHERE meta_key
= '$key' AND post_id = '$post_id'") ) {
return false;
}
if (empty($prev_value)) {
$wpdb->query("UPDATE $wpdb->postmeta SET meta_value = '$value' WHERE
meta_key = '$key' AND post_id = '$post_id'");
} else {
$wpdb->query("UPDATE $wpdb->postmeta SET meta_value = '$value' WHERE
meta_key = '$key' AND post_id = '$post_id' AND meta_value = '$prev_value'");
}
return true;
}
function get_postdata($postid) {
global $post, $wpdb;
if ( $postid == $post->ID )
$a_post = $post;
else
$a_post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = '$postid'");
$postdata = array (
'ID' => $a_post->ID,
'Author_ID' => $a_post->post_author,
'Date' => $a_post->post_date,
'Content' => $a_post->post_content,
'Excerpt' => $a_post->post_excerpt,
'Title' => $a_post->post_title,
'Category' => $a_post->post_category,
'post_status' => $a_post->post_status,
'comment_status' => $a_post->comment_status,
'ping_status' => $a_post->ping_status,
'post_password' => $a_post->post_password,
'to_ping' => $a_post->to_ping,
'pinged' => $a_post->pinged,
'post_name' => $a_post->post_name
);
return $postdata;
}
function get_catname($cat_ID) {
global $cache_catnames, $wpdb;
if ( !$cache_catnames ) {
$results = $wpdb->get_results("SELECT * FROM $wpdb->categories") or die('Oops, couldn\'t query the db for categories.');
foreach ($results as $post) {
$cache_catnames[$post->cat_ID] = $post->cat_name;
}
}
$cat_name = $cache_catnames[$cat_ID];
return $cat_name;
}
function gzip_compression() {
if ( strstr($_SERVER['PHP_SELF'], 'wp-admin') ) return false;
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;
$client->query('weblogUpdates.ping', get_settings('blogname'), get_settings('home'));
}
function generic_ping($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;
$title = urlencode($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 .= "\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);
$wpdb->query("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = '$ID'");
$wpdb->query("UPDATE $wpdb->posts SET to_ping = REPLACE(to_ping, '$tb_url', '') WHERE ID = '$ID'");
return $result;
}
function make_url_footnote($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://') ? 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');
// 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) ) : // 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( $url != '' && in_array($url, $pung) == false ) {
set_time_limit( 60 );
$file = str_replace( "http://", "", $url );
$host = substr( $file, 0, strpos( $file, "/" ) );
$file = substr( $file, strpos( $file, "/" ) );
$headers = "HEAD $file HTTP/1.1\r\nHOST: $host\r\n\r\n";
$port = 80;
$timeout = 3;
$fp = @fsockopen($host, $port, $err_num, $err_msg, $timeout);
if( $fp ) {
fputs($fp, $headers );
$response = '';
while ( !feof($fp) && strpos( $response, "\r\n\r\n" ) == false )
$response .= fgets($fp, 2048);
fclose( $fp );
} else {
$response = '';
}
if( $response != '' ) {
$len = substr( $response, strpos( $response, "Content-Length:" ) + 16 );
$len = substr( $len, 0, strpos( $len, "\n" ) );
$type = substr( $response, strpos( $response, "Content-Type:" ) + 14 );
$type = substr( $type, 0, strpos( $type, "\n" ) + 1 );
$allowed_types = array( "video", "audio" );
if( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) {
$meta_value = "$url\n$len\n$type\n";
$query = "INSERT INTO `".$wpdb->postmeta."` ( `meta_id` , `post_id` , `meta_key` , `meta_value` )
VALUES ( NULL, '$post_ID', 'enclosure' , '".$meta_value."')";
$wpdb->query( $query );
add_ping( $post_ID, $url );
}
}
}
}
}
// Deprecated. Use the new post loop.
function start_wp() {
global $wp_query, $post;
// Since the old style loop is being used, advance the query iterator here.
$wp_query->next_post();
setup_postdata($post);
}
// Setup global post data.
function setup_postdata($post) {
global $id, $postdata, $authordata, $day, $preview, $page, $pages, $multipage, $more, $numpages, $wp_query;
global $pagenow;
if (!$preview) {
$id = $post->ID;
} else {
$id = 0;
$postdata = array (
'ID' => 0,
'Author_ID' => $_GET['preview_userid'],
'Date' => $_GET['preview_date'],
'Content' => $_GET['preview_content'],
'Excerpt' => $_GET['preview_excerpt'],
'Title' => $_GET['preview_title'],
'Category' => $_GET['preview_category'],
'Notify' => 1
);
}
$authordata = get_userdata($post->post_author);
$day = mysql2date('d.m.y', $post->post_date);
$currentmonth = mysql2date('m', $post->post_date);
$numpages = 1;
if (!$page)
$page = 1;
if (isset($p))
$more = 1;
$content = $post->post_content;
if (preg_match('/<!--nextpage-->/', $content)) {
if ($page > 1)
$more = 1;
$multipage = 1;
$content = str_replace("\n<!--nextpage-->\n", '<!--nextpage-->', $content);
$content = str_replace("\n<!--nextpage-->", '<!--nextpage-->', $content);
$content = str_replace("<!--nextpage-->\n", '<!--nextpage-->', $content);
$pages = explode('<!--nextpage-->', $content);
$numpages = count($pages);
} else {
$pages[0] = $post->post_content;
$multipage = 0;
}
return true;
}
function is_new_day() {
global $day, $previousday;
if ($day != $previousday) {
return(1);
} else {
return(0);
}
}
// Filters: these are the core of WP's plugin architecture
function merge_filters($tag) {
global $wp_filter;
if (isset($wp_filter['all'])) {
foreach ($wp_filter['all'] as $priority => $functions) {
if (isset($wp_filter[$tag][$priority]))
$wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], $wp_filter[$tag][$priority]);
else
$wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], array());
$wp_filter[$tag][$priority] = array_unique($wp_filter[$tag][$priority]);
}
}
if (isset($wp_filter[$tag]))
ksort($wp_filter[$tag]);
}
function apply_filters($tag, $string) {
global $wp_filter;
$args = array_slice(func_get_args(), 3);
merge_filters($tag);
if (isset($wp_filter[$tag])) {
foreach ($wp_filter[$tag] as $priority => $functions) {
if (!is_null($functions)) {
foreach($functions as $function) {
$string = call_user_func_array($function, array($string) + $args);
}
}
}
}
return $string;
}
function add_filter($tag, $function_to_add, $priority = 10) {
global $wp_filter;
// So the format is wp_filter['tag']['array of priorities']['array of functions']
if (!@in_array($function_to_add, $wp_filter[$tag]["$priority"])) {
$wp_filter[$tag]["$priority"][] = $function_to_add;
}
return true;
}
function remove_filter($tag, $function_to_remove, $priority = 10) {
global $wp_filter;
if (@in_array($function_to_remove, $wp_filter[$tag]["$priority"])) {
foreach ($wp_filter[$tag]["$priority"] as $function) {
if ($function_to_remove != $function) {
$new_function_list[] = $function;
}
}
$wp_filter[$tag]["$priority"] = $new_function_list;
}
//die(var_dump($wp_filter));
return true;
}
// The *_action functions are just aliases for the *_filter functions, they take special strings instead of generic content
function do_action($tag, $arg = '') {
global $wp_filter;
if ( is_array($arg) )
$args = $arg + array_slice(func_get_args(), 2);
else
$args = array($arg) + array_slice(func_get_args(), 2);
merge_filters($tag);
if (isset($wp_filter[$tag])) {
foreach ($wp_filter[$tag] as $priority => $functions) {
if (!is_null($functions)) {
foreach($functions as $function) {
$string = call_user_func_array($function, $args);
}
}
}
}
}
function add_action($tag, $function_to_add, $priority = 10) {
add_filter($tag, $function_to_add, $priority);
}
function remove_action($tag, $function_to_remove, $priority = 10) {
remove_filter($tag, $function_to_remove, $priority);
}
function get_page_uri($page) {
global $wpdb;
$page = $wpdb->get_row("SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE ID = '$page'");
$uri = urldecode($page->post_name);
// A page cannot be it's own parent.
if ($page->post_parent == $page->ID) {
return $uri;
}
while ($page->post_parent != 0) {
$page = $wpdb->get_row("SELECT post_name, post_parent FROM $wpdb->posts WHERE ID = '$page->post_parent'");
$uri = urldecode($page->post_name) . "/" . $uri;
}
return $uri;
}
function get_posts($args) {
global $wpdb;
parse_str($args, $r);
if (!isset($r['numberposts'])) $r['numberposts'] = 5;
if (!isset($r['offset'])) $r['offset'] = 0;
// The following not implemented yet
if (!isset($r['category'])) $r['category'] = '';
if (!isset($r['orderby'])) $r['orderby'] = '';
if (!isset($r['order'])) $r['order'] = '';
$now = current_time('mysql');
$posts = $wpdb->get_results("SELECT DISTINCT * FROM $wpdb->posts WHERE post_date <= '$now' AND (post_status = 'publish') GROUP BY $wpdb->posts.ID ORDER BY post_date DESC LIMIT " . $r['offset'] . ',' . $r['numberposts']);
update_post_caches($posts);
return $posts;
}
function query_posts($query) {
global $wp_query;
return $wp_query->query($query);
}
function update_post_caches($posts) {
global $category_cache, $comment_count_cache, $post_meta_cache;
global $wpdb;
// No point in doing all this work if we didn't match any posts.
if (! $posts) {
return;
}
// Get the categories for all the posts
foreach ($posts as $post) {
$post_id_list[] = $post->ID;
}
$post_id_list = implode(',', $post_id_list);
$dogs = $wpdb->get_results("SELECT DISTINCT
ID, category_id, cat_name, category_nicename, category_description, category_parent
FROM $wpdb->categories, $wpdb->post2cat, $wpdb->posts
WHERE category_id = cat_ID AND post_id = ID AND post_id IN ($post_id_list)");
if (!empty($dogs)) {
foreach ($dogs as $catt) {
$category_cache[$catt->ID][$catt->category_id] = $catt;
}
}
// Do the same for comment numbers
$comment_counts = $wpdb->get_results("SELECT ID, COUNT( comment_ID ) AS ccount
FROM $wpdb->posts
LEFT JOIN $wpdb->comments ON ( comment_post_ID = ID AND comment_approved = '1')
WHERE post_status = 'publish' AND ID IN ($post_id_list)
GROUP BY ID");
if ($comment_counts) {
foreach ($comment_counts as $comment_count) {
$comment_count_cache["$comment_count->ID"] = $comment_count->ccount;
}
}
// 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() {
global $cache_categories, $wpdb;
$dogs = $wpdb->get_results("SELECT * FROM $wpdb->categories");
foreach ($dogs as $catt) {
$cache_categories[$catt->cat_ID] = $catt;
}
}
function update_user_cache() {
global $cache_userdata, $wpdb;
if ( $users = $wpdb->get_results("SELECT * FROM $wpdb->users WHERE user_level > 0") ) :
foreach ($users as $user) :
$cache_userdata[$user->ID] = $user;
endforeach;
return true;
else:
return false;
endif;
}
function wp_head() {
do_action('wp_head');
}
function is_single ($post = '') {
global $wp_query;
if ( !$wp_query->is_single )
return false;
if ( empty( $post) )
return true;
$post_obj = $wp_query->get_queried_object();
if ( $post == $post_obj->ID )
return true;
elseif ( $post == $post_obj->post_title )
return true;
elseif ( $post == $post_obj->post_name )
return true;
return false;
}
function is_page ($page = '') {
global $wp_query;
if (! $wp_query->is_page) {
return false;
}
if (empty($page)) {
return true;
}
$page_obj = $wp_query->get_queried_object();
if ($page == $page_obj->ID) {
return true;
} else if ($page == $page_obj->post_title) {
return true;
} else if ($page == $page_obj->post_name) {
return true;
}
return false;
}
function is_archive () {
global $wp_query;
return $wp_query->is_archive;
}
function is_date () {
global $wp_query;
return $wp_query->is_date;
}
function is_year () {
global $wp_query;
return $wp_query->is_year;
}
function is_month () {
global $wp_query;
return $wp_query->is_month;
}
function is_day () {
global $wp_query;
return $wp_query->is_day;
}
function is_time () {
global $wp_query;
return $wp_query->is_time;
}
function is_author ($author = '') {
global $wp_query;
if (! $wp_query->is_author) {
return false;
}
if (empty($author)) {
return true;
}
$author_obj = $wp_query->get_queried_object();
if ($author == $author_obj->ID) {
return true;
} else if ($author == $author_obj->user_nickname) {
return true;
} else if ($author == $author_obj->user_nicename) {
return true;
}
return false;
}
function is_category ($category = '') {
global $wp_query;
if (! $wp_query->is_category) {
return false;
}
if (empty($category)) {
return true;
}
$cat_obj = $wp_query->get_queried_object();
if ($category == $cat_obj->cat_ID) {
return true;
} else if ($category == $cat_obj->cat_name) {
return true;
} else if ($category == $cat_obj->category_nicename) {
return true;
}
return false;
}
function is_search () {
global $wp_query;
return $wp_query->is_search;
}
function is_feed () {
global $wp_query;
return $wp_query->is_feed;
}
function is_trackback () {
global $wp_query;
return $wp_query->is_trackback;
}
function is_home () {
global $wp_query;
return $wp_query->is_home;
}
function is_404 () {
global $wp_query;
return $wp_query->is_404;
}
function is_paged () {
global $wp_query;
return $wp_query->is_paged;
}
function get_query_var($var) {
global $wp_query;
return $wp_query->get($var);
}
function have_posts() {
global $wp_query;
return $wp_query->have_posts();
}
function rewind_posts() {
global $wp_query;
return $wp_query->rewind_posts();
}
function the_post() {
global $wp_query;
$wp_query->the_post();
}
function get_stylesheet() {
return apply_filters('stylesheet', get_settings('stylesheet'));
}
function get_template() {
return apply_filters('template', get_settings('template'));
}
function get_template_directory() {
$template = get_template();
$template = ABSPATH . "wp-content/themes/$template";
return $template;
}
function get_theme_data($theme_file) {
$theme_data = implode('', file($theme_file));
preg_match("|Theme Name:(.*)|i", $theme_data, $theme_name);
preg_match("|Theme URI:(.*)|i", $theme_data, $theme_uri);
preg_match("|Description:(.*)|i", $theme_data, $description);
preg_match("|Author:(.*)|i", $theme_data, $author_name);
preg_match("|Author URI:(.*)|i", $theme_data, $author_uri);
preg_match("|Template:(.*)|i", $theme_data, $template);
if ( preg_match("|Version:(.*)|i", $theme_data, $version) )
$version = $version[1];
else
$version ='';
$description = wptexturize($description[1]);
$name = $theme_name[1];
$name = trim($name);
$theme = $name;
if ('' != $theme_uri[1] && '' != $name) {
$theme = __("<a href='{$theme_uri[1]}' title='Visit theme homepage'>{$theme}</a>");
}
if ('' == $author_uri[1]) {
$author = $author_name[1];
} else {
$author = __("<a href='{$author_uri[1]}' title='Visit author homepage'>{$author_name[1]}</a>");
}
return array('Name' => $name, 'Title' => $theme, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template[1]);
}
function get_themes() {
global $wp_themes;
global $wp_broken_themes;
if (isset($wp_themes)) {
return $wp_themes;
}
$themes = array();
$wp_broken_themes = array();
$theme_loc = 'wp-content/themes';
$theme_root = ABSPATH . $theme_loc;
// Files in wp-content/themes directory
$themes_dir = @ dir($theme_root);
if ($themes_dir) {
while(($theme_dir = $themes_dir->read()) !== false) {
if (is_dir($theme_root . '/' . $theme_dir)) {
if ($theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS') {
continue;
}
$stylish_dir = @ dir($theme_root . '/' . $theme_dir);
$found_stylesheet = false;
while(($theme_file = $stylish_dir->read()) !== false) {
if ( $theme_file == 'style.css' ) {
$theme_files[] = $theme_dir . '/' . $theme_file;
$found_stylesheet = true;
break;
}
}
if (!$found_stylesheet) {
$wp_broken_themes[$theme_dir] = array('Name' => $theme_dir, 'Title' => $theme_dir, 'Description' => __('Stylesheet is missing.'));
}
}
}
}
if (!$themes_dir || !$theme_files) {
return $themes;
}
sort($theme_files);
foreach($theme_files as $theme_file) {
$theme_data = get_theme_data("$theme_root/$theme_file");
$name = $theme_data['Name'];
$title = $theme_data['Title'];
$description = wptexturize($theme_data['Description']);
$version = $theme_data['Version'];
$author = $theme_data['Author'];
$template = $theme_data['Template'];
$stylesheet = dirname($theme_file);
if (empty($name)) {
$name = dirname($theme_file);
$title = $name;
}
if (empty($template)) {
if (file_exists(dirname("$theme_root/$theme_file/index.php"))) {
$template = dirname($theme_file);
} else {
continue;
}
}
$template = trim($template);
if (! file_exists("$theme_root/$template/index.php")) {
$wp_broken_themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => __('Template is missing.'));
continue;
}
$stylesheet_files = array();
$stylesheet_dir = @ dir("$theme_root/$stylesheet");
if ($stylesheet_dir) {
while(($file = $stylesheet_dir->read()) !== false) {
if ( !preg_match('|^\.+$|', $file) && preg_match('|\.css$|', $file) )
$stylesheet_files[] = "$theme_loc/$stylesheet/$file";
}
}
$template_files = array();
$template_dir = @ dir("$theme_root/$template");
if ($template_dir) {
while(($file = $template_dir->read()) !== false) {
if ( !preg_match('|^\.+$|', $file) && preg_match('|\.php$|', $file) )
$template_files[] = "$theme_loc/$template/$file";
}
}
$template_dir = dirname($template_files[0]);
$stylesheet_dir = dirname($stylesheet_files[0]);
if (empty($template_dir)) $template_dir = '/';
if (empty($stylesheet_dir)) $stylesheet_dir = '/';
$themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template, 'Stylesheet' => $stylesheet, 'Template Files' => $template_files, 'Stylesheet Files' => $stylesheet_files, 'Template Dir' => $template_dir, 'Stylesheet Dir' => $stylesheet_dir);
}
// Resolve theme dependencies.
$theme_names = array_keys($themes);
foreach ($theme_names as $theme_name) {
$themes[$theme_name]['Parent Theme'] = '';
if ($themes[$theme_name]['Stylesheet'] != $themes[$theme_name]['Template']) {
foreach ($theme_names as $parent_theme_name) {
if (($themes[$parent_theme_name]['Stylesheet'] == $themes[$parent_theme_name]['Template']) && ($themes[$parent_theme_name]['Template'] == $themes[$theme_name]['Template'])) {
$themes[$theme_name]['Parent Theme'] = $themes[$parent_theme_name]['Name'];
break;
}
}
}
}
$wp_themes = $themes;
return $themes;
}
function get_theme($theme) {
$themes = get_themes();
if (array_key_exists($theme, $themes)) {
return $themes[$theme];
}
return NULL;
}
function get_current_theme() {
$themes = get_themes();
$theme_names = array_keys($themes);
$current_template = get_settings('template');
$current_stylesheet = get_settings('stylesheet');
$current_theme = 'Default';
if ($themes) {
foreach ($theme_names as $theme_name) {
if ($themes[$theme_name]['Stylesheet'] == $current_stylesheet &&
$themes[$theme_name]['Template'] == $current_template) {
$current_theme = $themes[$theme_name]['Name'];
}
}
}
return $current_theme;
}
function get_query_template($type) {
$template = '';
if ( file_exists(TEMPLATEPATH . "/{$type}.php") )
$template = TEMPLATEPATH . "/{$type}.php";
return apply_filters("{$type}_template", $template);
}
function get_404_template() {
return get_query_template('404');
}
function get_archive_template() {
return get_query_template('archive');
}
function get_author_template() {
return get_query_template('author');
}
function get_category_template() {
$template = '';
if ( file_exists(TEMPLATEPATH . "/category-" . get_query_var('cat') . '.php') )
$template = TEMPLATEPATH . "/category-" . get_query_var('cat') . '.php';
else if ( file_exists(TEMPLATEPATH . "/category.php") )
$template = TEMPLATEPATH . "/category.php";
return apply_filters('category_template', $template);
}
function get_date_template() {
return get_query_template('date');
}
function get_home_template() {
$template = '';
if ( file_exists(TEMPLATEPATH . "/home.php") )
$template = TEMPLATEPATH . "/home.php";
else if ( file_exists(TEMPLATEPATH . "/index.php") )
$template = TEMPLATEPATH . "/index.php";
return apply_filters('home_template', $template);
}
function get_page_template() {
global $wp_query;
$id = $wp_query->post->ID;
$template = get_post_meta($id, '_wp_page_template', true);
if ( 'default' == $template )
$template = '';
if ( ! empty($template) && file_exists(TEMPLATEPATH . "/$template") )
$template = TEMPLATEPATH . "/$template";
else if ( file_exists(TEMPLATEPATH . "/page.php") )
$template = TEMPLATEPATH . "/page.php";
else
$template = '';
return apply_filters('page_template', $template);
}
function get_paged_template() {
return get_query_template('paged');
}
function get_search_template() {
return get_query_template('search');
}
function get_single_template() {
return get_query_template('single');
}
// Borrowed from the PHP Manual user notes. Convert entities, while
// preserving already-encoded entities:
function htmlentities2($myHTML) {
$translation_table=get_html_translation_table (HTML_ENTITIES,ENT_QUOTES);
$translation_table[chr(38)] = '&';
return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/","&amp;" , strtr($myHTML, $translation_table));
}
function wp_mail($to, $subject, $message, $headers = '', $more = '') {
if( $headers == '' ) {
$headers = "MIME-Version: 1.0\n" .
"Content-Type: text/plain; charset=\"" . get_settings('blog_charset') . "\"\n";
}
if ( function_exists('mb_send_mail') )
return @mb_send_mail($to, $subject, $message, $headers, $more);
else
return @mail($to, $subject, $message, $headers, $more);
}
if ( !function_exists('wp_login') ) :
function wp_login($username, $password, $already_md5 = false) {
global $wpdb, $error;
if ( !$username )
return false;
if ( !$password ) {
$error = __('<strong>Error</strong>: The password field is empty.');
return false;
}
$login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'");
if (!$login) {
$error = __('<strong>Error</strong>: Wrong login.');
return false;
} else {
// If the password is already_md5, it has been double hashed.
// Otherwise, it is plain text.
if ( ($already_md5 && $login->user_login == $username && md5($login->user_pass) == $password) || ($login->user_login == $username && $login->user_pass == md5($password)) ) {
return true;
} else {
$error = __('<strong>Error</strong>: Incorrect password.');
$pwd = '';
return false;
}
}
}
endif;
if ( !function_exists('auth_redirect') ) :
function auth_redirect() {
// Checks if a user is logged in, if not redirects them to the login page
if ( (!empty($_COOKIE['wordpressuser_' . COOKIEHASH]) &&
!wp_login($_COOKIE['wordpressuser_' . COOKIEHASH], $_COOKIE['wordpresspass_' . COOKIEHASH], true)) ||
(empty($_COOKIE['wordpressuser_' . COOKIEHASH])) ) {
header('Expires: Mon, 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');
header('Location: ' . get_settings('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']));
exit();
}
}
endif;
function is_plugin_page() {
global $plugin_page;
if (isset($plugin_page)) {
return true;
}
return false;
}
/*
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))) {
$uri = @func_get_arg(1);
}
else {
if (@func_num_args() < 3) {
$uri = $_SERVER['REQUEST_URI'];
} else {
$uri = @func_get_arg(2);
}
}
if (strstr($uri, '?')) {
$parts = explode('?', $uri, 2);
if (1 == count($parts)) {
$base = '?';
$query = $parts[0];
}
else {
$base = $parts[0] . '?';
$query = $parts[1];
}
}
else if (strstr($uri, '/')) {
$base = $uri . '?';
$query = '';
}
parse_str($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 = $base . $ret;
return trim($ret, '?');
}
function remove_query_arg($key, $query) {
add_query_arg($key, '', $query);
}
function load_template($file) {
global $posts, $post, $wp_did_header, $wp_did_template_redirect, $wp_query,
$wp_rewrite, $wpdb;
extract($wp_query->query_vars);
require_once($file);
}
function add_magic_quotes($array) {
foreach ($array as $k => $v) {
if (is_array($v)) {
$array[$k] = add_magic_quotes($v);
} else {
$array[$k] = addslashes($v);
}
}
return $array;
}
function wp_setcookie($username, $password, $already_md5 = false, $home = '', $siteurl = '') {
if ( !$already_md5 )
$password = md5( md5($password) ); // Double hash the password in the cookie.
if ( empty($home) )
$cookiepath = COOKIEPATH;
else
$cookiepath = preg_replace('|https?://[^/]+|i', '', $home . '/' );
if ( empty($siteurl) ) {
$sitecookiepath = SITECOOKIEPATH;
$cookiehash = COOKIEHASH;
} else {
$sitecookiepath = preg_replace('|https?://[^/]+|i', '', $siteurl . '/' );
$cookiehash = md5($siteurl);
}
setcookie('wordpressuser_'. $cookiehash, $username, time() + 31536000, $cookiepath);
setcookie('wordpresspass_'. $cookiehash, $password, time() + 31536000, $cookiepath);
if ( $cookiepath != $sitecookiepath ) {
setcookie('wordpressuser_'. $cookiehash, $username, time() + 31536000, $sitecookiepath);
setcookie('wordpresspass_'. $cookiehash, $password, time() + 31536000, $sitecookiepath);
}
}
function wp_clearcookie() {
setcookie('wordpressuser_' . COOKIEHASH, ' ', time() - 31536000, COOKIEPATH);
setcookie('wordpresspass_' . COOKIEHASH, ' ', time() - 31536000, COOKIEPATH);
setcookie('wordpressuser_' . COOKIEHASH, ' ', time() - 31536000, SITECOOKIEPATH);
setcookie('wordpresspass_' . COOKIEHASH, ' ', time() - 31536000, SITECOOKIEPATH);
}
?>
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