3v4l.org

run code in 300+ PHP versions simultaneously
<?php class target { public static function startCrawler() { echo 'crawler state'; } } abstract class adapter { private static $class = ''; public function __construct($classname) { self::$class = $classname; } public static function __callStatic($method,$args) { echo 'start memory / time tracking'; call_user_func(array(self::$class,$method),$args); echo 'end memory / time tracking'; } } $obj = new adapter('target'); $obj::startCrawler();
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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Cannot instantiate abstract class adapter in /in/3sX1L:24 Stack trace: #0 {main} thrown in /in/3sX1L on line 24
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Cannot instantiate abstract class adapter in /in/3sX1L on line 24
Process exited with code 255.

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