3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $callable; public function __construct() { $this->callable = function () { echo "hello world!"; } } public function yesItDoes() { ($this->callable)(); } } (new Foo)->yesItDoes();
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16, 7.0.0 - 7.0.1
Parse error: syntax error, unexpected '}' in /in/Enm8G on line 8
Process exited with code 255.
preferences:
156.42 ms | 1400 KiB | 25 Q