/**
* Alternative function to the current wp_cron function that would usually executed on sanitize_comment_cookies
*/
public function validate_cron_request()
{
// make sure we're in wp-cron.php
if (false !== strpos($_SERVER['REQUEST_URI'], '/wp-cron.php')) {
// grab the necessary secret string
if (defined('WP_CRON_CONTROL_SECRET')) {
$secret = WP_CRON_CONTROL_SECRET;
} else {
$secret = $this->settings['secret_string'];
}
// make sure a secret string is provided in the ur
if (isset($_GET[$secret])) {
// check if there is already a cron request running
$local_time = time();
if (function_exists('_get_cron_lock')) {
$flag = _get_cron_lock();
} else {
$flag = get_transient('doing_cron');
}
if (defined('WP_CRON_LOCK_TIMEOUT')) {
$timeout = WP_CRON_LOCK_TIMEOUT;
} else {
$timeout = 60;
}
if ($flag > $local_time + 10 * $timeout) {
$flag = 0;
}
// don't run if another process is currently running it or more than once every 60 sec.
if ($flag + $timeout > $local_time) {
die('another cron process running or previous not older than 60 secs');
}
// set a transient to allow locking down parallel requests
set_transient('doing_cron', $local_time);
// make sure the request also validates in wp-cron.php
global $doing_wp_cron;
$doing_wp_cron = $local_time;
// if settings allow it validate if there are any scheduled posts without a cron event
if (1 == self::instance()->settings['enable_scheduled_post_validation']) {
$this->validate_scheduled_posts();
}
return true;
}
// something went wrong
die('invalid secret string');
}
// for all other cases disable wp-cron.php and spawn_cron() by telling the system it's already running
if (!defined('DOING_CRON')) {
define('DOING_CRON', true);
}
// and also disable the wp_cron() call execution
if (!defined('DISABLE_WP_CRON')) {
define('DISABLE_WP_CRON', true);
}
return false;
}
break;
}
foreach ($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']);
/**
* Fires scheduled events.
*
* @ignore
* @since 2.1.0
*
* @param string $hook Name of the hook that was scheduled to be fired.
* @param array $args The arguments to be passed to the hook.
*/
do_action_ref_array($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;
$doing_nxt_cron = $_GET['doing_nxt_cron'];
}
}
// Check lock
if ($doing_cron_transient != $doing_nxt_cron) {
return;
}
foreach ($crons as $timestamp => $cronhooks) {
if ($timestamp > $local_time) {
break;
}
foreach ($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('nxt_reschedule_event', $new_args);
}
nxt_unschedule_event($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_nxt_cron) {
return;
}
}
}
}
if (_get_cron_lock() == $doing_nxt_cron) {
delete_transient('doing_cron');
}
die;