Warning: Undefined variable $client in E:\xampp\htdocs\yugioh\socket\events\quit.php on line 4

Fatal error: Uncaught Error: Call to undefined function outputConsole() in E:\xampp\htdocs\yugioh\socket\events\quit.php:4 Stack trace: #0 {main} thrown in E:\xampp\htdocs\yugioh\socket\events\quit.php on line 4