3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '/dav/files/admin/%C3%BC%C3%B6%C3%A4%C3%B6%C3%A4%C3%BC%C3%B6%C3%A4%C3%BB%C5%B7%C3%AE'; $rawstr = rawurldecode($str); var_dump( mb_detect_encoding($rawstr, ['UTF-8', 'ISO-8859-1']), mb_detect_encoding($rawstr, ['ISO-8859-1', 'UTF-8']), mb_check_encoding($rawstr, 'ISO-8859-1'), mb_check_encoding($rawstr, 'UTF-8'), );
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
string(10) "ISO-8859-1" string(10) "ISO-8859-1" bool(true) bool(true)
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30
string(5) "UTF-8" string(10) "ISO-8859-1" bool(true) bool(true)

preferences:
97.87 ms | 407 KiB | 5 Q