3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "1XYZ"; $int = 1; $start_int = (int) $string; $start_str = str_replace($start_int, "", $string); $result = $int+$start_int . $start_str; echo $result;
Output for 7.1.25 - 7.1.28, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
2XYZ
preferences:
93.49 ms | 1404 KiB | 4 Q