Online PHP editor | output for JSI45

<?php function create_function2($args, $content) { static $counter = PHP_INT_MAX; $funcname = "lambda_" . (--$counter); $rawErrorHandler = null; $rawErrorHandler = set_error_handler(function ($errno, $errstr, $errfile, $errline, $errcontext) use (&$rawErrorHandler) { var_dump($errno, $errstr, $errfile, $errline, $errcontext); if ($rawErrorHandler) { return call_user_func($rawErrorHandler, $errno, $errstr, $errfile, $errline, $errcontext); } else { return false; } }, E_WARNING); eval("function {$funcname}({$args}){{$content};}"); restore_error_handler(); return $funcname; } $f = create_function2('$a,$b', 'return $a+$b;'); var_dump($f); var_dump($f(1,2));