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[WordPress] Define a custom schedule for cron jobs to run within the context of WordPress.
add_filter( 'cron_schedules', 'acme_add_weekly_cron_schedule' );
* Adds a weekly interval to the WordPress scheduled tasks.
* Accepts an array of schedules that WordPress current defines for its
* scheduled tasks, and introduces a new weekly interval that can be used
* via the API.
* The interval is defined by using a week (in terms of seconds) and will be
* displayed as 'Once Daily' in the dashboard (when using a cron viewer) such
* as Cron View (
* @param array $schedules The array of schedules that WordPress provides.
* @return array The updated schedules with the weekly interval defined.
function acme_add_weekly_cron_schedule( $schedules ) {
$schedules['weekly'] = array(
'interval' => 604800,
'display' => 'Once Weekly'
return $schedules;
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