3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [0, 1]; unset($array[1]); $array = array_values($array); $array[] = 1; var_dump($array);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array(2) { [0]=> int(0) [1]=> int(1) }
preferences:
138.21 ms | 408 KiB | 5 Q