wp_get_schedule( string $hook, array $args = array() ): string|false
Retrieves the name of the recurrence schedule for an event.
Contents
Description
See also
- wp_get_schedules() : for available schedules.
Parameters
-
$hook
string Required -
Action hook to identify the event.
-
$args
array Optional -
Arguments passed to the event's callback function.
Default:
array()
Return
string|false Schedule name on success, false if no schedule.
Source
File: wp-includes/cron.php
.
View all references
function wp_get_schedule( $hook, $args = array() ) {
$schedule = false;
$event = wp_get_scheduled_event( $hook, $args );
if ( $event ) {
$schedule = $event->schedule;
}
/**
* Filters the schedule name for a hook.
*
* @since 5.1.0
*
* @param string|false $schedule Schedule for the hook. False if not found.
* @param string $hook Action hook to execute when cron is run.
* @param array $args Arguments to pass to the hook's callback function.
*/
return apply_filters( 'get_schedule', $schedule, $hook, $args );
}
Hooks
-
apply_filters( 'get_schedule',
string|false $schedule ,string $hook ,array $args ) -
Filters the schedule name for a hook.
Changelog
Version | Description |
---|---|
5.1.0 | 'get_schedule' filter added. |
2.1.0 | Introduced. |
User Contributed Notes
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I suggest that maybe the documentation here should be updated to say that the function returns false if no RECURRENCE.
I came across an issue lately with a plugin that was scheduling a single event and using wp_get_schedule() to check for the existence of a schedule.
It took me a while to understand that wp_get_schedule() does not return the actual timestamp like wp_next_scheduled(), but the recurrence value, if any (hourly, daily, etc.).
As such, in the example above, the scheduling of single events was happening on every single call, causing for the cron field in the database to become gigantic.
Since wp_get_schedule() seems to not see single events (since they have no recurrence) and will always return false for single events, it is somewhat confusing.
I suspect people would expect for wp_get_schedule() to work like wp_next_scheduled(), but that’s not the case.
Basic Examples