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WP_Site_Health::wp_cron_scheduled_check()

Run our scheduled event to check and update the latest site health status for the website.

Source

File: wp-admin/includes/class-wp-site-health.php 

public function wp_cron_scheduled_check() {
		// Bootstrap wp-admin, as WP_Cron doesn't do this for us.
		require_once trailingslashit( ABSPATH ) . 'wp-admin/includes/admin.php';

		$tests = WP_Site_Health::get_tests();

		$results = array();

		$site_status = array(
			'good'        => 0,
			'recommended' => 0,
			'critical'    => 0,
		);

		// Don't run https test on localhost.
		if ( 'localhost' === preg_replace( '|https?://|', '', get_site_url() ) ) {
			unset( $tests['direct']['https_status'] );
		}

		foreach ( $tests['direct'] as $test ) {

			if ( is_string( $test['test'] ) ) {
				$test_function = sprintf(
					'get_test_%s',
					$test['test']
				);

				if ( method_exists( $this, $test_function ) && is_callable( array( $this, $test_function ) ) ) {
					$results[] = $this->perform_test( array( $this, $test_function ) );
					continue;
				}
			}

			if ( is_callable( $test['test'] ) ) {
				$results[] = $this->perform_test( $test['test'] );
			}
		}

		foreach ( $tests['async'] as $test ) {
			if ( is_string( $test['test'] ) ) {
				if ( isset( $test['has_rest'] ) && $test['has_rest'] ) {
					$result_fetch = wp_remote_post(
						rest_url( $test['test'] ),
						array(
							'body' => array(
								'_wpnonce' => wp_create_nonce( 'wp_rest' ),
							),
						)
					);
				} else {
					$result_fetch = wp_remote_post(
						admin_url( 'admin-ajax.php' ),
						array(
							'body' => array(
								'action'   => $test['test'],
								'_wpnonce' => wp_create_nonce( 'health-check-site-status' ),
							),
						)
					);
				}

				if ( ! is_wp_error( $result_fetch ) ) {
					$result = json_decode( wp_remote_retrieve_body( $result_fetch ), true );
				} else {
					$result = false;
				}

				if ( is_array( $result ) ) {
					$results[] = $result;
				} else {
					$results[] = array(
						'status' => 'recommended',
						'label'  => __( 'A test is unavailable' ),
					);
				}
			}
		}

		foreach ( $results as $result ) {
			if ( 'critical' === $result['status'] ) {
				$site_status['critical']++;
			} elseif ( 'recommended' === $result['status'] ) {
				$site_status['recommended']++;
			} else {
				$site_status['good']++;
			}
		}

		set_transient( 'health-check-site-status-result', wp_json_encode( $site_status ) );
	}

Uses

Uses Description
wp-admin/includes/class-wp-site-health.php: WP_Site_Health::perform_test()

Run a Site Health test directly.
wp-admin/includes/class-wp-site-health.php: WP_Site_Health::get_tests()

Return a set of tests that belong to the site status page.
wp-includes/rest-api.php: rest_url()

Retrieves the URL to a REST endpoint.
wp-includes/functions.php: wp_json_encode()

Encode a variable into JSON, with some sanity checks.
wp-includes/l10n.php: __()

Retrieve the translation of $text.
wp-includes/formatting.php: trailingslashit()

Appends a trailing slash.
wp-includes/pluggable.php: wp_create_nonce()

Creates a cryptographic token tied to a specific action, user, user session, and window of time.
wp-includes/link-template.php: admin_url()

Retrieves the URL to the admin area for the current site.
wp-includes/link-template.php: get_site_url()

Retrieves the URL for a given site where WordPress application files (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.
wp-includes/http.php: wp_remote_post()

Performs an HTTP request using the POST method and returns its response.
wp-includes/http.php: wp_remote_retrieve_body()

Retrieve only the body from the raw response.
wp-includes/option.php: set_transient()

Sets/updates the value of a transient.
wp-includes/load.php: is_wp_error()

Check whether variable is a WordPress Error.

Changelog

Version Description
5.4.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_site_health/wp_cron_scheduled_check