3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = [&$a, &$b]; $reversed = array_reverse($array); $array[0] = 1; $array[1] = 2; var_dump($reversed); unset($a, $b, $reversed); $reversed = array_reverse($array); $array[0] = 3; $array[1] = 4; var_dump($reversed);

preferences:
22.79 ms | 476 KiB | 4 Q