3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected $callback; public function __construct() { $this->callback = function (Exception $e) { var_dump($e); }; } public function test() { ($this->callback)($new Exception); } } (new Foo)->test();
Output for 7.0.0
Parse error: syntax error, unexpected 'Exception' (T_STRING), expecting ',' or ')' in /in/mfU9J on line 16
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '(' in /in/mfU9J on line 16
Process exited with code 255.
preferences:
164.05 ms | 1395 KiB | 24 Q