Site Health: Ensure that the tests returned by `WP_Site_Health::get_tests()` always have the required array keys: `direct` and `async`.

This avoids PHP notices if these keys were accidentally removed using the `site_status_tests` filter.

Props khag7, Ov3rfly, desrosj, Clorith.
Fixes #50858.
Built from https://develop.svn.wordpress.org/trunk@48808


git-svn-id: http://core.svn.wordpress.org/trunk@48570 1a063a9b-81f0-0310-95a4-ce76da25c4cd

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

@@ -2207,6 +2207,15 @@ class WP_Site_Health {
 		 */
 		$tests = apply_filters( 'site_status_tests', $tests );
 
+		// Ensure that the filtered tests contain the required array keys.
+		$tests = array_merge(
+			array(
+				'direct' => array(),
+				'async'  => array(),
+			),
+			$tests
+		);
+
 		return $tests;
 	}
 

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-alpha-48802';
+$wp_version = '5.6-alpha-48808';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.