3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Your code here! echo strlen(mb_convert_encoding('𠀋', 'UTF-16')); ?>
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
4
preferences:
81.24 ms | 402 KiB | 89 Q