<?php defined( 'ABSPATH' ) or exit; $options = (array) get_option( 'mc4wp', array() ); if ( empty( $options['allow_usage_tracking'] ) ) { return; } // usage tracking is enabled, reschedule it so it uses new cron schedule. // make sure 'monthly' cron schedule is registered /** * @ignore */ function _mc4wp_303_add_monthly_cron_schedule( $schedules ) { $schedules['monthly'] = array( 'interval' => 30 * DAY_IN_SECONDS, 'display' => 'Once a month', ); return $schedules; } add_filter( 'cron_schedules', '_mc4wp_303_add_monthly_cron_schedule', 1 ); // reschedule usage tracking event wp_clear_scheduled_hook( 'mc4wp_usage_tracking' ); wp_schedule_event( time(), 'monthly', 'mc4wp_usage_tracking' );