3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match(utf8_decode("#ä#i"),utf8_decode("Ä")));
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Function utf8_decode() is deprecated in /in/666BF on line 3 Deprecated: Function utf8_decode() is deprecated in /in/666BF on line 3 int(0)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.27
int(0)

preferences:
314.89 ms | 405 KiB | 456 Q