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run code in 300+ PHP versions simultaneously
<?php $foo = (object) [ 'foo' => function () { var_dump("Foo"); }, ]; $foo['foo']();
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 - 7.4.33, 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: Cannot use object of type stdClass as array in /in/tIDhl:7 Stack trace: #0 {main} thrown in /in/tIDhl on line 7
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Cannot use object of type stdClass as array in /in/tIDhl on line 7
Process exited with code 255.

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