* WordPress site, if the schedule time has passed.
*
* @since 2.1.0
- * @link http://codex.wordpress.org/Function_Reference/wp_schedule_single_event
+ * @link https://codex.wordpress.org/Function_Reference/wp_schedule_single_event
*
* @param int $timestamp Timestamp for when to run the event.
* @param string $hook Action hook to execute when cron is run.
* @param array $args Optional. Arguments to pass to the hook's callback function.
*/
function wp_schedule_single_event( $timestamp, $hook, $args = array()) {
- // don't schedule a duplicate if there's already an identical event due in the next 10 minutes
+ // don't schedule a duplicate if there's already an identical event due within 10 minutes of it
$next = wp_next_scheduled($hook, $args);
- if ( $next && $next <= $timestamp + 10 * MINUTE_IN_SECONDS )
+ if ( $next && abs( $next - $timestamp ) <= 10 * MINUTE_IN_SECONDS ) {
return;
+ }
$crons = _get_cron_array();
$event = (object) array( 'hook' => $hook, 'timestamp' => $timestamp, 'schedule' => false, 'args' => $args );
* @param string $recurrence How often the event should recur.
* @param string $hook Action hook to execute when cron is run.
* @param array $args Optional. Arguments to pass to the hook's callback function.
- * @return bool|null False on failure, null when complete with scheduling event.
+ * @return false|null False on failure, null when complete with scheduling event.
*/
function wp_schedule_event( $timestamp, $recurrence, $hook, $args = array()) {
$crons = _get_cron_array();
* @param string $recurrence How often the event should recur.
* @param string $hook Action hook to execute when cron is run.
* @param array $args Optional. Arguments to pass to the hook's callback function.
- * @return bool|null False on failure. Null when event is rescheduled.
+ * @return false|null False on failure. Null when event is rescheduled.
*/
function wp_reschedule_event( $timestamp, $recurrence, $hook, $args = array() ) {
$crons = _get_cron_array();
if ( isset($keys[0]) && $keys[0] > $gmt_time )
return;
- if ( defined('ALTERNATE_WP_CRON') && ALTERNATE_WP_CRON ) {
- if ( !empty($_POST) || defined('DOING_AJAX') )
+ if ( defined( 'ALTERNATE_WP_CRON' ) && ALTERNATE_WP_CRON ) {
+ if ( ! empty( $_POST ) || defined( 'DOING_AJAX' ) || defined( 'XMLRPC_REQUEST' ) ) {
return;
+ }
$doing_wp_cron = sprintf( '%.22F', $gmt_time );
set_transient( 'doing_cron', $doing_wp_cron );
* 60*60*24*7 or 604800. The value of 'interval' would then be 604800.
*
* The 'display' is the description. For the 'weekly' key, the 'display' would
- * be <code>__('Once Weekly')</code>.
+ * be `__( 'Once Weekly' )`.
*
* For your plugin, you will be passed an array. you can easily add your
* schedule by doing the following.
- * <code>
- * // filter parameter variable name is 'array'
- * $array['weekly'] = array(
- * 'interval' => 604800,
- * 'display' => __('Once Weekly')
- * );
- * </code>
+ *
+ * // Filter parameter variable name is 'array'.
+ * $array['weekly'] = array(
+ * 'interval' => 604800,
+ * 'display' => __( 'Once Weekly' )
+ * );
+ *
*
* @since 2.1.0
*