Hotfix: Fatal error on WPSEO compatibility

Yoast/wordpress-seo#9285
JoryHogeveen · Mar 20, 2018 · 943fb47 · 943fb47
1 parent 3dc7836
commit 943fb47
Showing 1 changed file with 16 additions and 6 deletions.
diff --git a/includes/class-compat.php b/includes/class-compat.php
@@ -331,13 +331,23 @@ public function get_plugin_capabilities( $caps = array() ) {
 		// @since  1.7.4  Yoast SEO 5.5+  Load integration on front end.
 		if ( ! is_admin() && VAA_API::exists_callable( array( 'WPSEO_Capability_Manager_Integration', 'register_hooks' ) ) ) {
 			/**
-			 * Registers the capabilities in the `members_get_capabilities` filter.
-			 * @since Yoast SEO 5.8+
-			 * @link https://github.com/Yoast/wordpress-seo/pull/7937
+			 * Make sure WPSEO_Options::$backfill is instantiated.
+			 * @link  https://github.com/Yoast/wordpress-seo/pull/9285
+			 * @since Yoast SEO 7.1+
+			 * @since 1.7.6.1
 			 */
-			if ( VAA_API::exists_callable( array( 'WPSEO_Capability_Manager_Factory', 'get' ), 'debug' ) ) {
-				$wpseo = new WPSEO_Capability_Manager_Integration( WPSEO_Capability_Manager_Factory::get() );
-				$wpseo->register_hooks();
+			if ( VAA_API::exists_callable( array( 'WPSEO_Options', 'get_instance' ) ) ) {
+				WPSEO_Options::get_instance();
+
+				/**
+				 * Registers the capabilities in the `members_get_capabilities` filter.
+				 * @since Yoast SEO 5.8+
+				 * @link https://github.com/Yoast/wordpress-seo/pull/7937
+				 */
+				if ( VAA_API::exists_callable( array( 'WPSEO_Capability_Manager_Factory', 'get' ), 'debug' ) ) {
+					$wpseo = new WPSEO_Capability_Manager_Integration( WPSEO_Capability_Manager_Factory::get() );
+					$wpseo->register_hooks();
+				}
 			}
 		}