3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [0,0,0,0,0,0,500 ,11000,100,110,221,1245,2141,0,0,0,0,0]; $result = array_filter($array); echo 'fisrt: '.key($result); end($result); echo '</br>last: '.key($result);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
fisrt: 6</br>last: 12

preferences:
143.84 ms | 403 KiB | 155 Q