3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = 'été'; $n = mb_strlen($s, 'UTF-8'); echo $n;
Output for 7.1.0 - 7.1.25, 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
3
preferences:
96.92 ms | 1449 KiB | 4 Q