3v4l.org

run code in 500+ PHP versions simultaneously
<?php preg_match('/x-archive-guessed-charset: (.*)/', 'x-archive-guessed-charset: windows-1251', $encoding); print_r($encoding); echo $encoding[1];
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
Array ( [0] => x-archive-guessed-charset: windows-1251 [1] => windows-1251 ) windows-1251
preferences:
93.45 ms | 1295 KiB | 4 Q