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run code in 300+ PHP versions simultaneously
<?php function foo() { $a = func_get_args(); call_user_func_array('bar', $a); } function bar(&$x) { echo $x; } foo(42);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: bar(): Argument #1 ($x) must be passed by reference, value given in /in/ffQEJ on line 3 42
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Parameter 1 to bar() expected to be a reference, value given in /in/ffQEJ on line 3 42
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.25, 7.0.0 - 7.0.20
Warning: Parameter 1 to bar() expected to be a reference, value given in /in/ffQEJ on line 3
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
42
preferences:
230.52 ms | 402 KiB | 371 Q