3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { private $fn; function __construct() { $this->fn = function () { $this->bar(); } } public function baz() { $this->fn(); } private function bar() { echo 'bar'; } } $foo = new foo; $foo->baz();
Output for 5.5.24 - 5.5.31, 5.6.8 - 5.6.17, 7.0.0 - 7.0.2
Parse error: syntax error, unexpected '}' in /in/1SpUl on line 10
Process exited with code 255.
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166.05 ms | 1395 KiB | 28 Q