3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'a', 'b', 'c' ); for($i =0;$i<count($array);$i++){ echo $i; }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
012
preferences:
146.39 ms | 404 KiB | 172 Q