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run code in 300+ PHP versions simultaneously
<?php function inc(&$item) { $item++; } $a = []; inc($a['unknown']); print_r($a);
Output for 8.1.4 - 8.1.34, 8.2.10 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [unknown] => 1 )
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68.39 ms | 848 KiB | 4 Q