Online PHP editor | refs for pu0FD

<?php set_error_handler(function($errorLevel, $errorMessage) { echo 'in set_error_handler' . PHP_EOL; echo 'errorLevel is ' . ($errorLevel == E_RECOVERABLE_ERROR ? '': 'NOT') . 'E_RECOVERABLE_ERROR' . PHP_EOL; echo $errorMessage . PHP_EOL; }); set_exception_handler(function($exception) { echo "Uncaught exception: " , $exception->getMessage(), "\n"; echo get_class($exception); }); function a(array $a){} a(null);