3v4l.org

run code in 500+ PHP versions simultaneously
<?php $char = "ჯ"; $uppercaseChar = mb_strtoupper($char); echo $uppercaseChar . "\n"; echo $uppercaseChar === $char ? 'same' : 'different';
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33
ჯ same
Output for 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 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Ჯ different
preferences:
32.96 ms | 1155 KiB | 9 Q