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run code in 300+ PHP versions simultaneously
<?php class SomeClass { public function isLive() { return true; } } // Dicky class class SomeOtherClass { // Dicky logic public function isNotLive() { return false; } } $object = new SomeOtherClass(); if($object instanceof SomeOtherClass && $object->isLive()) { die('yay'); }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Call to undefined method SomeOtherClass::isLive() in /in/hlTgg:23 Stack trace: #0 {main} thrown in /in/hlTgg on line 23
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to undefined method SomeOtherClass::isLive() in /in/hlTgg on line 23
Process exited with code 255.

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