- fix the viewer query not returning the authenticated user by instantiating the plugin at "plugins_loaded" so the "determine_current_user" filter would be applied, which occurs BEFORE "graphql_init" is fired, so the plugin was being instantiated too late.

Author: jasonbahl

src/Auth.php

@@ -394,12 +394,14 @@ public static function filter_determine_current_user( $user ) {
 			 */
 			$user = ! empty( $token ) && ! empty( $token->data->user->id ) ? $token->data->user->id : $user;
 
+
 		}
 
+
 		/**
 		 * Everything is ok, return the user ID stored in the token
 		 */
-		return $user;
+		return absint( $user );
 	}
 
 	/**

wp-graphql-jwt-authentication.php

@@ -169,6 +169,14 @@ private static function init() {
 			 */
 			ManageTokens::init();
 
+			/**
+			 * Filter how WordPress determines the current user
+			 */
+			add_filter( 'determine_current_user', [
+				'\WPGraphQL\JWT_Authentication\Auth',
+				'filter_determine_current_user'
+			], 10, 1 );
+
 			/**
 			 * Filter the rootMutation fields
 			 */
@@ -182,13 +190,7 @@ private static function init() {
 				'root_mutation_fields'
 			], 10, 1 );
 
-			/**
-			 * Filter how WordPress determines the current user
-			 */
-			add_filter( 'determine_current_user', [
-				'\WPGraphQL\JWT_Authentication\Auth',
-				'filter_determine_current_user'
-			], 10 );
+
 
 		}
 
@@ -200,4 +202,4 @@ function init() {
 	return JWT_Authentication::instance();
 }
 
-add_action( 'graphql_init', '\WPGraphQL\JWT_Authentication\init' );
+add_action( 'plugins_loaded', '\WPGraphQL\JWT_Authentication\init' );