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run code in 300+ PHP versions simultaneously
<?php class X { public $call; public function __construct() { $this->call = function () { echo "x"; }; } public function call() { echo "y"; } } $object = new X; ${object->call}();
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16, 7.0.0
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR) in /in/Q9Ook on line 17
Process exited with code 255.
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77.8 ms | 402 KiB | 22 Q