3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo preg_replace("/.$/u", "X", "Á");
Output for 7.4.33, 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
X
preferences:
70.47 ms | 975 KiB | 4 Q