if (! $messages) for better performance

Co-Authored-By: bangbangda <[email protected]>

system/Controller.php

@@ -201,7 +201,7 @@ public function validate($rules, array $messages = []): bool
 			}
 
 			// If no error message is defined, use the error message in the Config\Validation file
-			if (count($messages) === 0)
+			if (! $messages)
 			{
 				$errorName = $rules . '_errors';
 				$messages  = $validation->$errorName ?? [];