WordPress at a glance
function is not described

ActionScheduler_AsyncRequest_QueueRunner::allow() protected WC 1.0

Only allow async requests when needed.

Also allow 3rd party code to disable running actions via async requests.

{} It's a method of the class: ActionScheduler_AsyncRequest_QueueRunner{}

Return

Null. Nothing.

Usage

// protected - for code of main (parent) or child class
$result = $this->allow();

Code of ActionScheduler_AsyncRequest_QueueRunner::allow() WC 5.0.0

<?php
protected function allow() {

	if ( ! has_action( 'action_scheduler_run_queue' ) || ActionScheduler::runner()->has_maximum_concurrent_batches() || ! $this->store->has_pending_actions_due() ) {
		$allow = false;
	} else {
		$allow = true;
	}

	return apply_filters( 'action_scheduler_allow_async_request_runner', $allow );
}