How to Add a Custom Cron Interval in WordPress

For its cron functionality, WordPress has three defined intervals:

• Hourly
• Twicedaily
• Daily

However, you can also create your own interval as follows (weekly as an example):

[php]
add_filter( ‘cron_schedules’, ‘cron_add_weekly’ );

function cron_add_weekly( $schedules ) {
// Adds once weekly to the existing schedules.
$schedules[‘weekly’] = array(
‘interval’ => 604800, // 60*60*24*7
‘display’ => __( ‘Once Weekly’ )
);
return $schedules;
}

[/php]

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