fix: syntax error fixed

Author: kidunot89

includes/utils/class-protected-router.php

@@ -49,7 +49,6 @@ private function __construct() {
 		self::$route = woographql_setting( 'authorizing_url_endpoint', apply_filters( 'woographql_authorizing_url_endpoint', self::$default_route ) );
 
 		$this->init();
-		
 	}
 
 	/**
@@ -61,17 +60,17 @@ private function init() {
 		/**
 		 * Create the rewrite rule for the route
 		 */
-		add_action( 'init', [ self::$instance, 'add_rewrite_rule' ], 10 );
+		add_action( 'init', [ $this, 'add_rewrite_rule' ], 10 );
 
 		/**
 		 * Add the query var for the route
 		 */
-		add_filter( 'query_vars', [ self::$instance, 'add_query_var' ], 1, 1 );
+		add_filter( 'query_vars', [ $this, 'add_query_var' ], 1, 1 );
 
 		/**
 		 * Redirects the route to the graphql processor
 		 */
-		add_action( 'pre_get_posts', [ self::$instance, 'resolve_request' ], 1 );
+		add_action( 'pre_get_posts', [ $this, 'resolve_request' ], 1 );
 	}
 
 	/**
@@ -196,7 +195,7 @@ public function resolve_request() {
 		 * Remove the resolve_request function from the pre_get_posts action
 		 * to prevent an infinite loop
 		 */
-		remove_action( 'pre_get_posts', [ self::$instance, 'resolve_request' ], 1 );
+		remove_action( 'pre_get_posts', [ $this, 'resolve_request' ], 1 );
 
 		/**
 		 * Access the $wp_query object