wp-includes/cron.php:340Reschedules a recurring event.
$timestampint$recurrencestring$hookstring$argsarrayoptionalarray()$wp_errorbooloptionalfalsebool|WP_ErrorOne hook fires while wp_reschedule_event() runs, in this order:
Filter to override rescheduling of a recurring event.
function wp_reschedule_event( $timestamp, $recurrence, $hook, $args = array(), $wp_error = false ) { // Make sure timestamp is a positive integer. if ( ! is_numeric( $timestamp ) || $timestamp <= 0 ) { if ( $wp_error ) { return new WP_Error( 'invalid_timestamp', __( 'Event timestamp must be a valid Unix timestamp.' ) ); } return false; } $schedules = wp_get_schedules(); $interval = 0; // First we try to get the interval from the schedule. if ( isset( $schedules[ $recurrence ] ) ) { $interval = $schedules[ $recurrence ]['interval']; } // Now we try to get it from the saved interval in case the schedule disappears. if ( 0 === $interval ) { $scheduled_event = wp_get_scheduled_event( $hook, $args, $timestamp ); if ( $scheduled_event && isset( $scheduled_event->interval ) ) { $interval = $scheduled_event->interval; } } $event = (object) array( 'hook' => $hook, 'timestamp' => $timestamp, 'schedule' => $recurrence, 'args' => $args, 'interval' => $interval, ); /** * Filter to override rescheduling of a recurring event. * * Returning a non-null value will short-circuit the normal rescheduling * process, causing the function to return the filtered value instead. * * For plugins replacing wp-cron, return true if the event was successfully * rescheduled, false or a WP_Error if not. * * @since 5.1.0 * @since 5.7.0 The `$wp_error` parameter was added, and a `WP_Error` object can now be returned. * * @param null|bool|WP_Error $pre Value to return instead. Default null to continue adding the event. * @param object $event { * An object containing an event's data. * * @type string $hook Action hook to execute when the event is run. * @type int $timestamp Unix timestamp (UTC) for when to next run the event. * @type string $schedule How often the event should subsequently recur. * @type array $args Array containing each separate argument to pass to the hook's callback function. * @type int $interval The interval time in seconds for the schedule. * } * @param bool $wp_error Whether to return a WP_Error on failure. */ $pre = apply_filters( 'pre_reschedule_event', null, $event, $wp_error ); if ( null !== $pre ) { if ( $wp_error && false === $pre ) { return new WP_Error( 'pre_reschedule_event_false', __( 'A plugin prevented the event from being rescheduled.' ) ); } if ( ! $wp_error && is_wp_error( $pre ) ) { return false; } return $pre; } // Now we assume something is wrong and fail to schedule.Introduced in 2.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/cron.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.