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run code in 300+ PHP versions simultaneously
<?php function foo(&$bar) { var_dump($bar); } call_user_func_array("foo", array(new stdclass));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: foo(): Argument #1 ($bar) must be passed by reference, value given in /in/Qti91 on line 4 object(stdClass)#1 (0) { }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/Qti91 on line 4 object(stdClass)#1 (0) { }
Output for 7.0.0 - 7.0.33
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/Qti91 on line 4
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
object(stdClass)#1 (0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(stdClass)(0) { }

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