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WordPress/wp-includes/functions.php

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<?php
if (!function_exists('_')) {
function _($string) {
return $string;
}
}
if (!function_exists('floatval')) {
function floatval($string) {
return ((float) $string);
}
}
function popuplinks($text) {
// Comment text in popup windows should be filtered through this.
// Right now it's a moderately dumb function, ideally it would detect whether
// a target or rel attribute was already there and adjust its actions accordingly.
$text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
return $text;
}
function mysql2date($dateformatstring, $mysqlstring, $use_b2configmonthsdays = 1) {
global $month, $weekday;
$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)];
$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, $i);
if (!$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);
}
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, $cookiehash;
// *** retrieving user's data from cookies and db - no spoofing
if (isset($_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);
}
function get_userdata($userid) {
global $wpdb, $cache_userdata;
if ( empty($cache_userdata[$userid]) ) {
$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = '$userid'");
$user->user_nickname = stripslashes($user->user_nickname);
$user->user_firstname = stripslashes($user->user_firstname);
$user->user_lastname = stripslashes($user->user_lastname);
$user->user_description = stripslashes($user->user_description);
$cache_userdata[$userid] = $user;
} else {
$user = $cache_userdata[$userid];
}
return $user;
}
function get_userdatabylogin($user_login) {
global $cache_userdata, $wpdb;
if ( empty($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, $wpdb;
if ( empty($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) . "' ";
// 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, $cache_settings;
if (strstr($_SERVER['REQUEST_URI'], 'install.php')) {
return false;
}
if ( (empty($cache_settings)) ) {
$settings = get_alloptions();
$cache_settings = $settings;
} else {
$settings = $cache_settings;
}
if ('home' == $setting && '' == $settings->home) return $settings->siteurl;
if (!isset($settings->$setting)) {
return false;
} else {
return stripslashes($settings->$setting);
}
}
function get_alloptions() {
global $wpdb;
$options = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options");
if ($options) {
foreach ($options as $option) {
// "When trying to design a foolproof system,
// never underestimate the ingenuity of the fools :)"
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);
$all_options->{$option->option_name} = $option->option_value;
}
}
return $all_options;
}
function update_option($option_name, $newvalue) {
global $wpdb, $cache_settings;
$newvalue = stripslashes($newvalue);
$newvalue = trim($newvalue); // I can't think of any situation we wouldn't want to trim
$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='') {
// Adds an option if it doesn't already exist
global $wpdb;
if(!get_settings($name)) {
$name = $wpdb->escape($name);
$value = $wpdb->escape($value);
$wpdb->query("INSERT INTO $wpdb->options (option_name, option_value) VALUES ('$name', '$value')");
if($wpdb->insert_id) {
global $cache_settings;
$cache_settings->{$name} = $value;
}
}
return;
}
function delete_option($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 $wpdb->optiongroup_options WHERE option_id = '$option_id'");
$wpdb->query("DELETE FROM $wpdb->options WHERE option_name = '$name'");
return true;
}
function get_postdata($postid) {
global $post, $wpdb;
$post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = '$postid'");
$postdata = array (
'ID' => $post->ID,
'Author_ID' => $post->post_author,
'Date' => $post->post_date,
'Content' => $post->post_content,
'Excerpt' => $post->post_excerpt,
'Title' => $post->post_title,
'Category' => $post->post_category,
'Lat' => $post->post_lat,
'Lon' => $post->post_lon,
'post_status' => $post->post_status,
'comment_status' => $post->comment_status,
'ping_status' => $post->ping_status,
'post_password' => $post->post_password,
'to_ping' => $post->to_ping,
'pinged' => $post->pinged,
'post_name' => $post->post_name
);
return $postdata;
}
function get_commentdata($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;
if (strstr($myrow['comment_content'], '<trackback />')) {
$myrow['comment_type'] = 'trackback';
} elseif (strstr($myrow['comment_content'], '<pingback />')) {
$myrow['comment_type'] = 'pingback';
} else {
$myrow['comment_type'] = 'comment';
}
}
return $myrow;
}
function get_catname($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() {
global $gzip_compressed;
if (strstr($_SERVER['PHP_SELF'], 'wp-admin')) return true;
if (!$gzip_compressed) {
$phpver = phpversion(); //start gzip compression
if($phpver >= "4.0.4pl1") {
if(extension_loaded("zlib")) {
ob_start("ob_gzhandler");
}
} else if($phpver > "4.0") {
if(strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip')) {
if(extension_loaded("zlib")) {
$do_gzip_compress = TRUE;
ob_start();
ob_implicit_flush(0);
header("Content-Encoding: gzip");
}
}
} //end gzip compression - that piece of script courtesy of the phpBB dev team
$gzip_compressed=1;
}
}
// functions to count the page generation time (from phpBB2)
// ( or just any time between timer_start() and timer_stop() )
function timer_start() {
global $timestart;
$mtime = microtime();
$mtime = explode(" ",$mtime);
$mtime = $mtime[1] + $mtime[0];
$timestart = $mtime;
return true;
}
function timer_stop($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 = '') {
$debug = false;
include_once (ABSPATH . WPINC . '/class-xmlrpc.php');
include_once (ABSPATH . WPINC . '/class-xmlrpcs.php');
$f = new xmlrpcmsg('weblogUpdates.ping',
array(new xmlrpcval(get_settings('blogname'), 'string'),
new xmlrpcval(get_settings('home') ,'string')));
$c = new xmlrpc_client($path, $server, 80);
$r = $c->send($f);
if ('0' != $r) {
if ($debug) {
echo "<h3>Response Object Dump:</h3>
<pre>\n";
print_r($r);
echo "</pre>\n";
}
$v = @phpxmlrpc_decode($r->value());
if (!$r->faultCode()) {
$result['message'] = "<p class=\"rpcmsg\">";
$result['message'] = $result['message'] . $v["message"] . "<br />\n";
$result['message'] = $result['message'] . "</p>";
} else {
$result['err'] = $r->faultCode();
$result['message'] = "<!--\n";
$result['message'] = $result['message'] . "Fault: ";
$result['message'] = $result['message'] . "Code: " . $r->faultCode();
$result['message'] = $result['message'] . " Reason '" .$r->faultString()."'<BR>";
$result['message'] = $result['message'] . "-->\n";
}
if ($debug) print '<blockquote>' . $result['message'] . '</blockquote>';
}
}
function generic_ping($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) {
$uri = parse_url($service);
weblog_ping($uri['host'], $uri['path']);
}
}
}
add_action('publish_post', 'generic_ping');
// Send a Trackback
function trackback($trackback_url, $title, $excerpt, $ID) {
global $wpdb;
$title = urlencode(stripslashes($title));
$excerpt = urlencode(stripslashes($excerpt));
$blog_name = urlencode(stripslashes(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'] . " HTTP/1.0\r\n";
$http_request .= 'Host: '.$trackback_url['host']."\r\n";
$http_request .= 'Content-Type: application/x-www-form-urlencoded'."\r\n";
$http_request .= 'Content-Length: '.strlen($query_string)."\r\n";
$http_request .= "\r\n";
$http_request .= $query_string;
$fs = @fsockopen($trackback_url['host'], 80);
@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 $result;
}
// trackback - reply
function trackback_response($error = 0, $error_message = '') {
if ($error) {
echo '<?xml version="1.0" encoding="iso-8859-1"?'.">\n";
echo "<response>\n";
echo "<error>1</error>\n";
echo "<message>$error_message</message>\n";
echo "</response>";
} else {
echo '<?xml version="1.0" encoding="iso-8859-1"?'.">\n";
echo "<response>\n";
echo "<error>0</error>\n";
echo "</response>";
}
die();
}
function make_url_footnote($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($fp);
}
}
function pingback($content, $post_ID) {
include_once (ABSPATH . WPINC . '/class-xmlrpc.php');
include_once (ABSPATH . WPINC . '/class-xmlrpcs.php');
// original code by Mort (http://mort.mine.nu:8080)
global $wp_version;
$log = debug_fopen('./pingback.log', 'a');
$post_links = array();
debug_fwrite($log, 'BEGIN '.time()."\n");
// Variables
$ltrs = '\w';
$gunk = '/#~:.?+=&%@!\-';
$punc = '.:?\-';
$any = $ltrs.$gunk.$punc;
$pingback_str_dquote = 'rel="pingback"';
$pingback_str_squote = 'rel=\'pingback\'';
$x_pingback_str = 'x-pingback: ';
$pingback_href_original_pos = 27;
// 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){
$test = parse_url($link_test);
if (isset($test['query'])) {
$post_links[] = $link_test;
} elseif(($test['path'] != '/') && ($test['path'] != '')) {
$post_links[] = $link_test;
}
}
foreach ($post_links as $pagelinkedto){
debug_fwrite($log, 'Processing -- '.$pagelinkedto."\n\n");
$bits = parse_url($pagelinkedto);
if (!isset($bits['host'])) {
debug_fwrite($log, 'Couldn\'t find a hostname for '.$pagelinkedto."\n\n");
continue;
}
$host = $bits['host'];
$path = isset($bits['path']) ? $bits['path'] : '';
if (isset($bits['query'])) {
$path .= '?'.$bits['query'];
}
if (!$path) {
$path = '/';
}
$port = isset($bits['port']) ? $bits['port'] : 80;
// Try to connect to the server at $host
$fp = fsockopen($host, $port, $errno, $errstr, 30);
if (!$fp) {
debug_fwrite($log, 'Couldn\'t open a connection to '.$host."\n\n");
continue;
}
// Send the GET request
$request = "GET $path HTTP/1.1\r\nHost: $host\r\nUser-Agent: WordPress/$wp_version PHP/" . phpversion() . "\r\n\r\n";
ob_end_flush();
fputs($fp, $request);
// Start receiving headers and content
$contents = '';
$headers = '';
$gettingHeaders = true;
$found_pingback_server = 0;
while (!feof($fp)) {
$line = fgets($fp, 4096);
if (trim($line) == '') {
$gettingHeaders = false;
}
if (!$gettingHeaders) {
$contents .= trim($line)."\n";
$pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
$pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
} else {
$headers .= trim($line)."\n";
$x_pingback_header_offset = strpos(strtolower($headers), $x_pingback_str);
}
if ($x_pingback_header_offset) {
preg_match('#x-pingback: (.+)#is', $headers, $matches);
$pingback_server_url = trim($matches[1]);
debug_fwrite($log, "Pingback server found from X-Pingback header @ $pingback_server_url\n");
$found_pingback_server = 1;
break;
}
if ($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, $pingback_server_url_len);
debug_fwrite($log, "Pingback server found from Pingback <link /> tag @ $pingback_server_url\n");
$found_pingback_server = 1;
break;
}
}
if (!$found_pingback_server) {
debug_fwrite($log, "Pingback server not found\n\n*************************\n\n");
@fclose($fp);
} else {
debug_fwrite($log,"\n\nPingback server data\n");
// Assuming there's a "http://" bit, let's get rid of it
$host_clear = substr($pingback_server_url, 7);
// the trailing slash marks the end of the server name
$host_end = strpos($host_clear, '/');
// Another clear cut
$host_len = $host_end-$host_start;
$host = substr($host_clear, 0, $host_len);
debug_fwrite($log, 'host: '.$host."\n");
// If we got the server name right, the rest of the string is the server path
$path = substr($host_clear,$host_end);
debug_fwrite($log, 'path: '.$path."\n\n");
// Now, the RPC call
$method = 'pingback.ping';
debug_fwrite($log, 'Page Linked To: '.$pagelinkedto."\n");
debug_fwrite($log, 'Page Linked From: ');
$pagelinkedfrom = get_permalink($post_ID);
debug_fwrite($log, $pagelinkedfrom."\n");
$client = new xmlrpc_client($path, $host, 80);
$message = new xmlrpcmsg($method, array(new xmlrpcval($pagelinkedfrom), new xmlrpcval($pagelinkedto)));
$result = $client->send($message);
if ($result){
if (!$result->value()){
debug_fwrite($log, $result->faultCode().' -- '.$result->faultString());
} else {
$value = phpxmlrpc_decode($result->value());
if (is_array($value)) {
$value_arr = '';
foreach($value as $blah) {
$value_arr .= $blah.' |||| ';
}
debug_fwrite($log, $value_arr);
} else {
debug_fwrite($log, $value);
}
}
}
@fclose($fp);
}
}
debug_fwrite($log, "\nEND: ".time()."\n****************************\n\r");
debug_fclose($log);
}
function doGeoUrlHeader($post_list = '') {
global $posts;
if ($posts && 1 === count($posts) && ! empty($posts[0]->post_lat)) {
// there's only one result see if it has a geo code
$row = $posts[0];
$lat = $row->post_lat;
$lon = $row->post_lon;
$title = $row->post_title;
if(($lon != null) && ($lat != null) ) {
echo "<meta name=\"ICBM\" content=\"".$lat.", ".$lon."\" />\n";
echo "<meta name=\"DC.title\" content=\"".convert_chars(strip_tags(get_bloginfo("name")))." - ".$title."\" />\n";
echo "<meta name=\"geo.position\" content=\"".$lat.";".$lon."\" />\n";
return;
}
} else {
if(get_settings('use_default_geourl')) {
// send the default here
echo "<meta name='ICBM' content=\"". get_settings('default_geourl_lat') .", ". get_settings('default_geourl_lon') ."\" />\n";
echo "<meta name='DC.title' content=\"".convert_chars(strip_tags(get_bloginfo("name")))."\" />\n";
echo "<meta name='geo.position' content=\"". get_settings('default_geourl_lat') .";". get_settings('default_geourl_lon') ."\" />\n";
}
}
}
function getRemoteFile($host,$path) {
$fp = fsockopen($host, 80, $errno, $errstr);
if ($fp) {
fputs($fp,"GET $path HTTP/1.0\r\nHost: $host\r\n\r\n");
while ($line = fgets($fp, 4096)) {
$lines[] = $line;
}
fclose($fp);
return $lines;
} else {
return false;
}
}
function pingGeoURL($blog_ID) {
$ourUrl = get_settings('home') ."/index.php?p=".$blog_ID;
$host="geourl.org";
$path="/ping/?p=".$ourUrl;
getRemoteFile($host,$path);
}
/* wp_set_comment_status:
part of otaku42's comment moderation hack
changes the status of a comment according to $comment_status.
allowed values:
hold : set comment_approve field to 0
approve: set comment_approve field to 1
delete : remove comment out of database
returns true if change could be applied
returns false on database error or invalid value for $comment_status
*/
function wp_set_comment_status($comment_id, $comment_status) {
global $wpdb;
switch($comment_status) {
case 'hold':
$query = "UPDATE $wpdb->comments SET comment_approved='0' WHERE comment_ID='$comment_id' LIMIT 1";
break;
case 'approve':
$query = "UPDATE $wpdb->comments SET comment_approved='1' WHERE comment_ID='$comment_id' LIMIT 1";
break;
case 'delete':
$query = "DELETE FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1";
break;
default:
return false;
}
if ($wpdb->query($query)) {
do_action('wp_set_comment_status', $comment_id);
return true;
} else {
return false;
}
}
/* wp_get_comment_status
part of otaku42's comment moderation hack
gets the current status of a comment
returned values:
"approved" : comment has been approved
"unapproved": comment has not been approved
"deleted ": comment not found in database
a (boolean) false signals an error
*/
function wp_get_comment_status($comment_id) {
global $wpdb;
$result = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
if ($result == NULL) {
return "deleted";
} else if ($result == "1") {
return "approved";
} else if ($result == "0") {
return "unapproved";
} else {
return false;
}
}
function wp_notify_postauthor($comment_id, $comment_type='comment') {
global $wpdb;
global $querystring_start, $querystring_equal, $querystring_separator;
$comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
$post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1");
$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID='$post->post_author' LIMIT 1");
if ('' == $user->user_email) return false; // If there's no email to send the comment to
$comment_author_domain = gethostbyaddr($comment->comment_author_IP);
$blogname = stripslashes(get_settings('blogname'));
if ('comment' == $comment_type) {
$notify_message = "New comment on your post #$comment->comment_post_ID \"".stripslashes($post->post_title)."\"\r\n\r\n";
$notify_message .= "Author : $comment->comment_author (IP: $comment->comment_author_IP , $comment_author_domain)\r\n";
$notify_message .= "E-mail : $comment->comment_author_email\r\n";
$notify_message .= "URI : $comment->comment_author_url\r\n";
$notify_message .= "Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=$comment->comment_author_IP\r\n";
$notify_message .= "Comment:\r\n".stripslashes($comment->comment_content)."\r\n\r\n";
$notify_message .= "You can see all comments on this post here: \r\n";
$subject = '[' . $blogname . '] Comment: "' .stripslashes($post->post_title).'"';
} elseif ('trackback' == $comment_type) {
$notify_message = "New trackback on your post #$comment_post_ID \"".stripslashes($post->post_title)."\"\r\n\r\n";
$notify_message .= "Website: $comment->comment_author (IP: $comment->comment_author_IP , $comment_author_domain)\r\n";
$notify_message .= "URI : $comment->comment_author_url\r\n";
$notify_message .= "Excerpt: \n".stripslashes($comment->comment_content)."\r\n\r\n";
$notify_message .= "You can see all trackbacks on this post here: \r\n";
$subject = '[' . $blogname . '] Trackback: "' .stripslashes($post->post_title).'"';
} elseif ('pingback' == $comment_type) {
$notify_message = "New pingback on your post #$comment_post_ID \"".stripslashes($post->post_title)."\"\r\n\r\n";
$notify_message .= "Website: $comment->comment_author\r\n";
$notify_message .= "URI : $comment->comment_author_url\r\n";
$notify_message .= "Excerpt: \n[...] $original_context [...]\r\n\r\n";
$notify_message .= "You can see all pingbacks on this post here: \r\n";
$subject = '[' . $blogname . '] Pingback: "' .stripslashes($post->post_title).'"';
}
$notify_message .= get_permalink($comment->comment_post_ID) . '#comments';
if ('' == $comment->comment_author_email || '' == $comment->comment_author) {
$from = "From: \"$blogname\" <wordpress@" . $_SERVER['SERVER_NAME'] . '>';
} else {
$from = 'From: "' . stripslashes($comment->comment_author) . "\" <$comment->comment_author_email>";
}
$message_headers = "MIME-Version: 1.0\r\n"
. "$from\r\n"
. "Content-Type: text/plain; charset=\"" . get_settings('blog_charset') . "\"\r\n";
@mail($user->user_email, $subject, $notify_message, $message_headers);
return true;
}
/* wp_notify_moderator
notifies the moderator of the blog (usually the admin)
about a new comment that waits for approval
always returns true
*/
function wp_notify_moderator($comment_id) {
global $wpdb;
global $querystring_start, $querystring_equal, $querystring_separator;
$comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
$post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1");
$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID='$post->post_author' LIMIT 1");
$comment_author_domain = gethostbyaddr($comment->comment_author_IP);
$comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'");
$notify_message = "A new comment on the post #$comment->comment_post_ID \"".stripslashes($post->post_title)."\" is waiting for your approval\r\n\r\n";
$notify_message .= "Author : $comment->comment_author (IP: $comment->comment_author_IP , $comment_author_domain)\r\n";
$notify_message .= "E-mail : $comment->comment_author_email\r\n";
$notify_message .= "URL : $comment->comment_author_url\r\n";
$notify_message .= "Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=$comment->comment_author_IP\r\n";
$notify_message .= "Comment:\r\n".stripslashes($comment->comment_content)."\r\n\r\n";
$notify_message .= "To approve this comment, visit: " . get_settings('siteurl') . "/wp-admin/post.php?action=mailapprovecomment&p=".$comment->comment_post_ID."&comment=$comment_id\r\n";
$notify_message .= "To delete this comment, visit: " . get_settings('siteurl') . "/wp-admin/post.php?action=confirmdeletecomment&p=".$comment->comment_post_ID."&comment=$comment_id\r\n";
$notify_message .= "Currently $comments_waiting comments are waiting for approval. Please visit the moderation panel:\r\n";
$notify_message .= get_settings('siteurl') . "/wp-admin/moderation.php\r\n";
$subject = '[' . stripslashes(get_settings('blogname')) . '] Please approve: "' .stripslashes($post->post_title).'"';
$admin_email = get_settings("admin_email");
$from = "From: $admin_email";
$message_headers = "MIME-Version: 1.0\r\n"
. "$from\r\n"
. "Content-Type: text/plain; charset=\"" . get_settings('blog_charset') . "\"\r\n";
@mail($admin_email, $subject, $notify_message, $message_headers);
return true;
}
function start_wp() {
global $post, $id, $postdata, $authordata, $day, $preview, $page, $pages, $multipage, $more, $numpages;
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-->/', $post->post_content)) {
if ($page > 1)
$more = 1;
$multipage = 1;
$content = stripslashes($post->post_content);
$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 {
$pages[0] = stripslashes($post->post_content);
$multipage = 0;
}
return true;
}
function is_new_day() {
global $day, $previousday;
if ($day != $previousday) {
return(1);
} else {
return(0);
}
}
// Filters: these are the core of WP's plugin architecture
function apply_filters($tag, $string) {
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]);
foreach ($wp_filter[$tag] as $priority => $functions) {
foreach($functions as $function) {
$string = $function($string);
}
}
}
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, $string) {
return apply_filters($tag, $string);
}
function add_action($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, $priority);
}
function preg_index($number, $matches = '') {
$match_prefix = '$';
$match_suffix = '';
if (! empty($matches)) {
$match_prefix = '$' . $matches . '[';
$match_suffix = ']';
}
return "$match_prefix$number$match_suffix";
}
function generate_rewrite_rules($permalink_structure = '') {
$rewritecode =
array(
'%year%',
'%monthnum%',
'%day%',
'%hour%',
'%minute%',
'%second%',
'%postname%',
'%post_id%',
'%category%',
'%author%'
);
$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]+)',
'(.*)',
'([_0-9a-z-]+)'
);
$queryreplace =
array (
'year=',
'monthnum=',
'day=',
'hour=',
'minute=',
'second=',
'name=',
'p=',
'category_name=',
'author_name='
);
$feedregex = '(feed|rdf|rss|rss2|atom)/?$';
$trackbackregex = 'trackback/?$';
$pageregex = 'page/?([0-9]{1,})/?$';
$front = substr($permalink_structure, 0, strpos($permalink_structure, '%'));
preg_match_all('/%.+?%/', $permalink_structure, $tokens);
$num_tokens = count($tokens[0]);
$index = 'index.php';
$feedindex = 'wp-feed.php';
$trackbackindex = 'wp-trackback.php';
for ($i = 0; $i < $num_tokens; ++$i) {
if (0 < $i) {
$queries[$i] = $queries[$i - 1] . '&';
}
$query_token = str_replace($rewritecode, $queryreplace, $tokens[0][$i]) . preg_index($i+1, $matches);
$queries[$i] .= $query_token;
}
$structure = str_replace($front, '', $permalink_structure);
$structure = trim($structure, '/');
$dirs = explode('/', $structure);
$num_dirs = count($dirs);
$front = preg_replace('|^/+|', '', $front);
$post_rewrite = array();
$struct = $front;
for ($j = 0; $j < $num_dirs; ++$j) {
$struct .= $dirs[$j] . '/';
$match = str_replace($rewritecode, $rewritereplace, $struct);
$num_toks = preg_match_all('/%.+?%/', $struct, $toks);
$query = $queries[$num_toks - 1];
$pagematch = $match . $pageregex;
$pagequery = $index . '?' . $query . '&paged=' . preg_index($num_toks + 1, $matches);
$feedmatch = $match . $feedregex;
$feedquery = $feedindex . '?' . $query . '&feed=' . preg_index($num_toks + 1, $matches);
$post = 0;
if (strstr($struct, '%postname%') || strstr($struct, '%post_id%')) {
$post = 1;
$trackbackmatch = $match . $trackbackregex;
$trackbackquery = $trackbackindex . '?' . $query;
$match = $match . '?([0-9]+)?/?$';
$query = $index . '?' . $query . '&page=' . preg_index($num_toks + 1, $matches);
} else {
$match .= '?';
$query = $index . '?' . $query;
}
$post_rewrite = array($feedmatch => $feedquery, $pagematch => $pagequery, $match => $query) + $post_rewrite;
if ($post) {
$post_rewrite = array($trackbackmatch => $trackbackquery) + $post_rewrite;
}
}
return $post_rewrite;
}
/* rewrite_rules
* Construct rewrite matches and queries from permalink structure.
* matches - The name of the match array to use in the query strings.
* If empty, $1, $2, $3, etc. are used.
* Returns an associate array of matches and queries.
*/
function rewrite_rules($matches = '', $permalink_structure = '') {
$rewrite = array();
if (empty($permalink_structure)) {
$permalink_structure = get_settings('permalink_structure');
if (empty($permalink_structure)) {
return $rewrite;
}
}
$post_rewrite = generate_rewrite_rules($permalink_structure);
// If the permalink does not have year, month, and day, we need to create a
// separate archive rule.
$doarchive = false;
if (! (strstr($permalink_structure, '%year') && strstr($permalink_structure, '%monthnum') && strstr($permalink_structure, '%day')) ) {
$doarchive = true;
$archive_structure = $front . '%year%/%monthnum%/%day%/';
$archive_rewrite = generate_rewrite_rules($archive_structure);
}
$feedregex = '(feed|rdf|rss|rss2|atom)/?$';
$pageregex = 'page/?([0-9]{1,})/?$';
$front = substr($permalink_structure, 0, strpos($permalink_structure, '%'));
// Site feed
$sitefeedmatch = 'feed/?([_0-9a-z-]+)?/?$';
$sitefeedquery = 'wp-feed.php?feed=' . preg_index(1, $matches);
// Site comment feed
$sitecommentfeedmatch = 'comments/feed/?([_0-9a-z-]+)?/?$';
$sitecommentfeedquery = 'wp-feed.php?feed=' . preg_index(1, $matches) . '&withcomments=1';
// Site page
$sitepagematch = $pageregex;
$sitepagequery = 'index.php?paged=' . preg_index(1, $matches);
$site_rewrite = array(
$sitefeedmatch => $sitefeedquery,
$sitecommentfeedmatch => $sitecommentfeedquery,
$sitepagematch => $sitepagequery,
);
// Categories
if ( '' == get_settings('category_base') )
$category_structure = $front . 'category/';
else
$category_structure = get_settings('category_base') . '/';
$category_structure = $category_structure . '%category%';
$category_rewrite = generate_rewrite_rules($category_structure);
// Authors
$author_structure = $front . 'author/%author%';
$author_rewrite = generate_rewrite_rules($author_structure);
// Put them together.
$rewrite = $site_rewrite + $category_rewrite + $author_rewrite + $post_rewrite;
// Add on archive rewrite rules if needed.
if ($doarchive) {
$rewrite = $rewrite + $archive_rewrite;
}
return $rewrite;
}
function get_posts($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']);
return $posts;
}
function check_comment($author, $email, $url, $comment, $user_ip) {
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
if ('' == trim( get_settings('moderation_keys') ) ) return true; // If moderation keys are empty
$words = explode("\n", get_settings('moderation_keys') );
foreach ($words as $word) {
$word = trim($word);
// Skip empty lines
if (empty($word)) { continue; }
$pattern = "#$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, $user_ip) ) return false;
}
return true;
}
function query_posts($query) {
global $wpdb, $pagenow, $request;
parse_str($query);
// First let's clear some variables
$whichcat = '';
$whichauthor = '';
$result = '';
$where = '';
$limits = '';
$distinct = '';
$join = '';
$add_hours = intval(get_settings('gmt_offset'));
$add_minutes = intval(60 * (get_settings('gmt_offset') - $add_hours));
$wp_posts_post_date_field = "post_date"; // "DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)";
// If a month is specified in the querystring, load that month
if ('' != $m) {
$m = '' . preg_replace('|[^0-9]|', '', $m);
$where .= ' AND YEAR(post_date)=' . substr($m, 0, 4);
if (strlen($m)>5)
$where .= ' AND MONTH(post_date)=' . substr($m, 4, 2);
if (strlen($m)>7)
$where .= ' AND DAYOFMONTH(post_date)=' . substr($m, 6, 2);
if (strlen($m)>9)
$where .= ' AND HOUR(post_date)=' . substr($m, 8, 2);
if (strlen($m)>11)
$where .= ' AND MINUTE(post_date)=' . substr($m, 10, 2);
if (strlen($m)>13)
$where .= ' AND SECOND(post_date)=' . substr($m, 12, 2);
}
if ('' != $hour) {
$hour = '' . intval($hour);
$where .= " AND HOUR(post_date)='$hour'";
}
if ('' != $minute) {
$minute = '' . intval($minute);
$where .= " AND MINUTE(post_date)='$minute'";
}
if ('' != $second) {
$second = '' . intval($second);
$where .= " AND SECOND(post_date)='$second'";
}
if ('' != $year) {
$year = '' . intval($year);
$where .= " AND YEAR(post_date)='$year'";
}
if ('' != $monthnum) {
$monthnum = '' . intval($monthnum);
$where .= " AND MONTH(post_date)='$monthnum'";
}
if ('' != $day) {
$day = '' . intval($day);
$where .= " AND DAYOFMONTH(post_date)='$day'";
}
if ('' != $name) {
$name = preg_replace('/[^a-z0-9-_]/', '', $name);
$where .= " AND post_name = '$name'";
}
if ('' != $w) {
$w = ''.intval($w);
$where .= " AND WEEK(post_date, 1)='$w'";
}
// If a post number is specified, load that post
if (($p != '') && ($p != 'all')) {
$p = intval($p);
$where = ' AND ID = '.$p;
}
// If a search pattern is specified, load the posts that match
if (!empty($s)) {
$s = addslashes_gpc($s);
$search = ' AND (';
$s = preg_replace('/, +/', ' ', $s);
$s = str_replace(',', ' ', $s);
$s = str_replace('"', ' ', $s);
$s = trim($s);
if ($exact) {
$n = '';
} else {
$n = '%';
}
if (!$sentence) {
$s_array = explode(' ',$s);
$search .= '((post_title LIKE \''.$n.$s_array[0].$n.'\') OR (post_content LIKE \''.$n.$s_array[0].$n.'\'))';
for ( $i = 1; $i < count($s_array); $i = $i + 1) {
$search .= ' AND ((post_title LIKE \''.$n.$s_array[$i].$n.'\') OR (post_content LIKE \''.$n.$s_array[$i].$n.'\'))';
}
$search .= ' OR (post_title LIKE \''.$n.$s.$n.'\') OR (post_content LIKE \''.$n.$s.$n.'\')';
$search .= ')';
} else {
$search = ' AND ((post_title LIKE \''.$n.$s.$n.'\') OR (post_content LIKE \''.$n.$s.$n.'\'))';
}
}
// Category stuff
if ((empty($cat)) || ($cat == 'all') || ($cat == '0') ||
// Bypass cat checks if fetching specific posts
(
intval($year) || intval($monthnum) || intval($day) || intval($w) ||
intval($p) || !empty($name) || !empty($s)
)
) {
$whichcat='';
} else {
$cat = ''.urldecode($cat).'';
$cat = addslashes_gpc($cat);
if (stristr($cat,'-')) {
// Note: if we have a negative, we ignore all the positives. It must
// always mean 'everything /except/ this one'. We should be able to do
// multiple negatives but we don't :-(
$eq = '!=';
$andor = 'AND';
$cat = explode('-',$cat);
$cat = intval($cat[1]);
} else {
$eq = '=';
$andor = 'OR';
}
$join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) ";
$cat_array = explode(' ',$cat);
$whichcat .= ' AND (category_id '.$eq.' '.intval($cat_array[0]);
$whichcat .= get_category_children($cat_array[0], ' '.$andor.' category_id '.$eq.' ');
for ($i = 1; $i < (count($cat_array)); $i = $i + 1) {
$whichcat .= ' '.$andor.' category_id '.$eq.' '.intval($cat_array[$i]);
$whichcat .= get_category_children($cat_array[$i], ' '.$andor.' category_id '.$eq.' ');
}
$whichcat .= ')';
if ($eq == '!=') {
$cat = '-'.$cat; // Put back the knowledge that we are excluding a category.
}
}
// Category stuff for nice URIs
if ('' != $category_name) {
if (stristr($category_name,'/')) {
$category_name = explode('/',$category_name);
if ($category_name[count($category_name)-1]) {
$category_name = $category_name[count($category_name)-1]; // no trailing slash
} else {
$category_name = $category_name[count($category_name)-2]; // there was a trailling slash
}
}
$category_name = preg_replace('|[^a-z0-9-_]|i', '', $category_name);
$tables = ", $wpdb->post2cat, $wpdb->categories";
$join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) LEFT JOIN $wpdb->categories ON ($wpdb->post2cat.category_id = $wpdb->categories.cat_ID) ";
$whichcat = " AND (category_nicename = '$category_name'";
$cat = $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE category_nicename = '$category_name'");
$whichcat .= get_category_children($cat, " OR category_id = ");
$whichcat .= ")";
}
// Author/user stuff
if ((empty($author)) || ($author == 'all') || ($author == '0')) {
$whichauthor='';
} else {
$author = ''.urldecode($author).'';
$author = addslashes_gpc($author);
if (stristr($author, '-')) {
$eq = '!=';
$andor = 'AND';
$author = explode('-', $author);
$author = ''.intval($author[1]);
} else {
$eq = '=';
$andor = 'OR';
}
$author_array = explode(' ', $author);
$whichauthor .= ' AND (post_author '.$eq.' '.intval($author_array[0]);
for ($i = 1; $i < (count($author_array)); $i = $i + 1) {
$whichauthor .= ' '.$andor.' post_author '.$eq.' '.intval($author_array[$i]);
}
$whichauthor .= ')';
}
// Author stuff for nice URIs
if ('' != $author_name) {
if (stristr($author_name,'/')) {
$author_name = explode('/',$author_name);
if ($author_name[count($author_name)-1]) {
$author_name = $author_name[count($author_name)-1];#no trailing slash
} else {
$author_name = $author_name[count($author_name)-2];#there was a trailling slash
}
}
$author_name = preg_replace('|[^a-z0-9-_]|', '', strtolower($author_name));
$author = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$author_name."'");
$whichauthor .= ' AND (post_author = '.intval($author).')';
}
$where .= $search.$whichcat.$whichauthor;
if ((empty($order)) || ((strtoupper($order) != 'ASC') && (strtoupper($order) != 'DESC'))) {
$order='DESC';
}
// Order by
if (empty($orderby)) {
$orderby='date '.$order;
} else {
// Used to filter values
$allowed_keys = array('author','date','category','title');
$orderby = urldecode($orderby);
$orderby = addslashes_gpc($orderby);
$orderby_array = explode(' ',$orderby);
if (!in_array($orderby_array[0],$allowed_keys)) {
$orderby_array[0] = 'date';
}
$orderby = $orderby_array[0].' '.$order;
if (count($orderby_array)>1) {
for ($i = 1; $i < (count($orderby_array)); $i = $i + 1) {
// Only allow certain values for safety
if (in_array($orderby_array[$i],$allowed_keys)) {
$orderby .= ',post_'.$orderby_array[$i].' '.$order;
}
}
}
}
if ((!$whichcat) && (!$m) && (!$p) && (!$w) && (!$s) && empty($poststart) && empty($postend)) {
if ($what_to_show == 'posts') {
$limits = ' LIMIT '.$posts_per_page;
} elseif ($what_to_show == 'days' && empty($monthnum) && empty($year) && empty($day)) {
$lastpostdate = get_lastpostdate();
$lastpostdate = mysql2date('Y-m-d 00:00:00',$lastpostdate);
$lastpostdate = mysql2date('U',$lastpostdate);
$otherdate = date('Y-m-d H:i:s', ($lastpostdate - (($posts_per_page-1) * 86400)));
$where .= " AND post_date > '$otherdate'";
}
}
if ( !empty($postend) && ($postend > $poststart) && (!$m) && empty($monthnum) && empty($year) && empty($day) &&(!$w) && (!$whichcat) && (!$s) && (!$p)) {
if ($what_to_show == 'posts' || ($what_to_show == 'paged' && (!$paged))) {
$poststart = intval($poststart);
$postend = intval($postend);
$limposts = $postend - $poststart;
$limits = ' LIMIT '.$poststart.','.$limposts;
} elseif ($what_to_show == 'days') {
$poststart = intval($poststart);
$postend = intval($postend);
$limposts = $postend - $poststart;
$lastpostdate = get_lastpostdate();
$lastpostdate = mysql2date('Y-m-d 00:00:00',$lastpostdate);
$lastpostdate = mysql2date('U',$lastpostdate);
$startdate = date('Y-m-d H:i:s', ($lastpostdate - (($poststart -1) * 86400)));
$otherdate = date('Y-m-d H:i:s', ($lastpostdate - (($postend -1) * 86400)));
$where .= " AND post_date > '$otherdate' AND post_date < '$startdate'";
}
} else {
if (($what_to_show == 'paged') && (!$p) && (!$more)) {
if ($pagenow != 'post.php') {
$pgstrt = '';
if ($paged) {
$pgstrt = (intval($paged) -1) * $posts_per_page . ', ';
}
$limits = 'LIMIT '.$pgstrt.$posts_per_page;
} else {
if (($m) || ($p) || ($w) || ($s) || ($whichcat)) {
$limits = '';
} else {
$pgstrt = '';
if ($paged) {
$pgstrt = (intval($paged) -1) * $posts_per_page . ', ';
}
$limits = 'LIMIT '.$pgstrt.$posts_per_page;
}
}
}
elseif (($m) || ($p) || ($w) || ($s) || ($whichcat) || ($author) || $monthnum || $year || $day) {
$limits = '';
}
}
if ($p == 'all') {
$where = '';
}
$now = gmdate('Y-m-d H:i:59');
if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
if ((empty($poststart)) || (empty($postend)) || !($postend > $poststart)) {
$where .= " AND post_date_gmt <= '$now'";
}
$distinct = 'DISTINCT';
}
$where .= ' AND (post_status = "publish"';
// Get private posts
if (isset($user_ID) && ('' != intval($user_ID)))
$where .= " OR post_author = $user_ID AND post_status != 'draft')";
else
$where .= ')';
$where .= " GROUP BY $wpdb->posts.ID";
$request = " SELECT $distinct * FROM $wpdb->posts $join WHERE 1=1".$where." ORDER BY post_$orderby $limits";
if ($preview) {
$request = 'SELECT 1-1'; // dummy mysql query for the preview
// little funky fix for IEwin, rawk on that code
$is_winIE = ((preg_match('/MSIE/',$HTTP_USER_AGENT)) && (preg_match('/Win/',$HTTP_USER_AGENT)));
if (($is_winIE) && (!isset($IEWin_bookmarklet_fix))) {
$preview_content = preg_replace('/\%u([0-9A-F]{4,4})/e', "'&#'.base_convert('\\1',16,10).';'", $preview_content);
}
}
// error_log("$request");
// echo $request;
return $wpdb->get_results($request);
}
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)");
foreach ($dogs as $catt) {
$category_cache[$catt->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 $wpdb->categories WHERE 1=1");
foreach ($dogs as $catt) {
$cache_categories[$catt->cat_ID] = $catt;
}
}
function update_user_cache() {
global $cache_userdata, $wpdb;
$users = $wpdb->get_results("SELECT * FROM $wpdb->users WHERE user_level > 0");
foreach ($users as $user) {
$cache_userdata[$user->ID] = $user;
}
}
function wp_head() {
do_action('wp_head', '');
}
?>
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