Cron_Pixie::_get_schedules()

class-cron-pixie-_get-schedules.php

<?php
/**
 * Returns list of cron schedules.
 *
 * @return array
 */
private function _get_schedules() {
	// Get list of schedules.
	$schedules = wp_get_schedules();

	// Append a "Once Only" schedule.
	$schedules['once'] = array(
		'display' => __( 'Once Only', 'wp-cron-pixie' ),
	);

	// Get list of jobs assigned to schedules.
	// Using "private" function is really naughty, but it's the best option compared to querying db/options.
	$cron_array = _get_cron_array();

	// Consistent timestamp for seconds until due.
	$now = time();

	// Add child cron events to schedules.
	foreach ( $cron_array as $timestamp => $jobs ) {
		foreach ( $jobs as $hook => $events ) {
			foreach ( $events as $key => $event ) {
				$event['hook']        = $hook;
				$event['timestamp']   = $timestamp;
				$event['seconds_due'] = $timestamp - $now;

				// The cron array also includes events without a recurring schedule.
				$scheduled = empty( $event['schedule'] ) ? 'once' : $event['schedule'];

				$schedules[ $scheduled ]['events'][] = $event;
			}
		}
	}

	// We need to change the associative array (map) into an indexed one (set) for easier use in collection.
	$set = array();
	foreach ( $schedules as $name => $schedule ) {
		$schedule['name'] = $name;
		$set[]            = $schedule;
	}

	return $set;
}