3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = []; $maybeZero = 2; if (count($arr) == $maybeZero) { } else { var_dump($arr); }
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array(0) { }
preferences:
61.92 ms | 406 KiB | 5 Q