3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function __construct() { return function () use ($this) { echo 'yeah'; } } } new A;
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.29
Fatal error: Cannot use $this as lexical variable in /in/VDhdY on line 6
Process exited with code 255.
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182.74 ms | 1395 KiB | 66 Q