Merge commit 'd435f549fe9bbfbea64ed9be36104e7a23f9603c' as 'libraries/action-scheduler'

libraries/action-scheduler/classes/actions/ActionScheduler_NullAction.php

@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * Class ActionScheduler_NullAction
+ */
+class ActionScheduler_NullAction extends ActionScheduler_Action {
+
+	/**
+	 * Construct.
+	 *
+	 * @param string                        $hook Action hook.
+	 * @param mixed[]                       $args Action arguments.
+	 * @param null|ActionScheduler_Schedule $schedule Action schedule.
+	 */
+	public function __construct( $hook = '', array $args = array(), ?ActionScheduler_Schedule $schedule = null ) {
+		$this->set_schedule( new ActionScheduler_NullSchedule() );
+	}
+
+	/**
+	 * Execute action.
+	 */
+	public function execute() {
+		// don't execute.
+	}
+}