return;
$crons = _get_cron_array();
- $key = md5(serialize($args));
- $crons[$timestamp][$hook][$key] = array( 'schedule' => false, 'args' => $args );
+ $event = (object) array( 'hook' => $hook, 'timestamp' => $timestamp, 'schedule' => false, 'args' => $args );
+ $event = apply_filters('schedule_event', $event);
+
+ // A plugin disallowed this event
+ if ( ! $event )
+ return false;
+
+ $key = md5(serialize($event->args));
+
+ $crons[$event->timestamp][$event->hook][$key] = array( 'schedule' => $event->schedule, 'args' => $event->args );
uksort( $crons, "strnatcasecmp" );
_set_cron_array( $crons );
}
* Valid values for the recurrence are hourly, daily and twicedaily. These can
* be extended using the cron_schedules filter in wp_get_schedules().
*
+ * Use wp_next_scheduled() to prevent duplicates
+ *
* @since 2.1.0
*
* @param int $timestamp Timestamp for when to run the event.
function wp_schedule_event( $timestamp, $recurrence, $hook, $args = array()) {
$crons = _get_cron_array();
$schedules = wp_get_schedules();
- $key = md5(serialize($args));
+
if ( !isset( $schedules[$recurrence] ) )
return false;
- $crons[$timestamp][$hook][$key] = array( 'schedule' => $recurrence, 'args' => $args, 'interval' => $schedules[$recurrence]['interval'] );
+
+ $event = (object) array( 'hook' => $hook, 'timestamp' => $timestamp, 'schedule' => $recurrence, 'args' => $args, 'interval' => $schedules[$recurrence]['interval'] );
+ $event = apply_filters('schedule_event', $event);
+
+ // A plugin disallowed this event
+ if ( ! $event )
+ return false;
+
+ $key = md5(serialize($event->args));
+
+ $crons[$event->timestamp][$event->hook][$key] = array( 'schedule' => $event->schedule, 'args' => $event->args, 'interval' => $event->interval );
uksort( $crons, "strnatcasecmp" );
_set_cron_array( $crons );
}
$now = time();
- if ( $timestamp >= $now )
- $timestamp = $now + $interval;
- else
- $timestamp = $now + ($interval - (($now - $timestamp) % $interval));
+ if ( $timestamp >= $now )
+ $timestamp = $now + $interval;
+ else
+ $timestamp = $now + ($interval - (($now - $timestamp) % $interval));
wp_schedule_event( $timestamp, $recurrence, $hook, $args );
}
// Backward compatibility
// Previously this function took the arguments as discrete vars rather than an array like the rest of the API
if ( !is_array($args) ) {
- _deprecated_argument( __FUNCTION__, '3.0.0', __('This argument has changed to an array to match the behavior of the other cron functions.') );
+ _deprecated_argument( __FUNCTION__, '3.0', __('This argument has changed to an array to match the behavior of the other cron functions.') );
$args = array_slice( func_get_args(), 1 );
}
if ( defined('DOING_CRON') || isset($_GET['doing_wp_cron']) )
return;
- /*
- * do not even start the cron if local server timer has drifted
- * such as due to power failure, or misconfiguration
- */
- $timer_accurate = check_server_timer( $local_time );
- if ( !$timer_accurate )
- return;
-
/*
* multiple processes on multiple web servers can run this code concurrently
* try to make this as atomic as possible by setting doing_cron switch
update_option( 'cron', $new_cron );
return $new_cron;
}
-
-// stub for checking server timer accuracy, using outside standard time sources
-function check_server_timer( $local_time ) {
- return true;
-}