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run code in 300+ PHP versions simultaneously
<?php function test(array $classes) { var_dump(array_walk(function(stdClass $class) {}, $classes)); } test([new stdClass, new stdClass]); test([new stdClass, 1, 2]);
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.29, 5.6.7 - 5.6.13
Fatal error: Only variables can be passed by reference in /in/dJjBv on line 5
Process exited with code 255.
preferences:
67.91 ms | 402 KiB | 61 Q