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run code in 300+ PHP versions simultaneously
<?php class a {} function foo() {} foreach (["substr", "foo"] as $fn) { $x = (new ReflectionFunction($fn))->getClosure(); Closure::bind($x, new a, "a"); } ?>
Output for 7.4.14 - 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
Warning: Cannot rebind scope of closure created from function in /in/1402e on line 8 Warning: Cannot rebind scope of closure created from function in /in/1402e on line 8
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.13
Warning: Cannot rebind scope of closure created by ReflectionFunctionAbstract::getClosure() in /in/1402e on line 8 Warning: Cannot rebind scope of closure created by ReflectionFunctionAbstract::getClosure() in /in/1402e on line 8
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40

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