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WordPress Cron running in a php class on a custom schedule
<?php namespace MyProject;
/**
* Cron Pull
*
* Cron functionality for pulling data on a regular basis
*
* @package MyProject
*/
use WP_Query;
class Cron_Pull {
/**
* Holds the singleton instance.
*
* @static
* @var object
*/
private static $_instance = null;
/**
* The cron action hook we will be using.
*
* @var string
*/
private $_cron_hook = 'myproject_pull';
/**
* Get a reference to the singleton.
*
* @return object The singleton instance.
*/
public static function instance() {
if ( ! isset( self::$_instance ) ) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Cron_Pull constructor.
*/
public function __construct() {
register_deactivation_hook( MYPROJECT_PULL_PLUGIN_FILE, [ $this, 'deactivated' ] );
}
/**
* Initialize this class when the plugin loads.
*/
public function init() {
add_action( $this->_cron_hook, [ $this, 'run_cron' ] );
add_filter( 'cron_schedules', [ $this, 'cron_intervals' ] );
if ( ! wp_next_scheduled( $this->_cron_hook ) ) {
wp_schedule_event( time(), 'myproject_custom_schedule', $this->_cron_hook );
}
}
/**
* Filter the cron_intervals to add our custom schedule to the existing ones.
*
* @param array $schedules The existing cron schedules.
* @return mixed Send back the array of all cron schedules.
*/
public function cron_intervals( $schedules ) {
$schedules['myproject_custom_schedule'] = [
'interval' => intval( MYPROJECT_PULL_CRON_SCHEDULE_DAYS ) * DAY_IN_SECONDS,
'display' => 'Every ' . MYPROJECT_PULL_CRON_SCHEDULE_DAYS . ' days',
];
return $schedules;
}
/**
* Main functionality of this class, running the cron function.
*/
public function run_cron() {
// TODO: Do the stuff here!
}
/**
* When the plugin deactivates we want to unschedule our cron event.
*/
public function deactivated() {
wp_unschedule_event( wp_next_scheduled( $this->_cron_hook ), $this->_cron_hook );
}
}
define( 'MYPROJECT_PULL_PLUGIN_FILE', __FILE__ );
define( 'MYPROJECT_PULL_CRON_SCHEDULE_DAYS',14)
add_action( 'plugins_loaded', [ Cron_Pull::instance(), 'init' ] );
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