WP_Site_Health::get_test_loopback_requests(): array

In this article

Tests if loopbacks work as expected.


A loopback is when WordPress queries itself, for example to start a new WP_Cron instance, or when editing a plugin or theme. This has shown itself to be a recurring issue, as code can very easily break this interaction.


array The test results.


public function get_test_loopback_requests() {
	$result = array(
		'label'       => __( 'Your site can perform loopback requests' ),
		'status'      => 'good',
		'badge'       => array(
			'label' => __( 'Performance' ),
			'color' => 'blue',
		'description' => sprintf(
			__( 'Loopback requests are used to run scheduled events, and are also used by the built-in editors for themes and plugins to verify code stability.' )
		'actions'     => '',
		'test'        => 'loopback_requests',

	$check_loopback = $this->can_perform_loopback();

	$result['status'] = $check_loopback->status;

	if ( 'good' !== $result['status'] ) {
		$result['label'] = __( 'Your site could not complete a loopback request' );

		$result['description'] .= sprintf(

	return $result;



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