3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('/[μ]/i', 'u', 'μ');
Output for 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
uu
preferences:
67.27 ms | 1468 KiB | 4 Q