3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo urldecode('%E4%EC%E8'); echo mb_convert_encoding ( 'äìè', 'ISO-8859-1', 'windows-1251' ); echo "\n"; echo mb_convert_encoding ( 'äìè', 'windows-1251', 'ISO-8859-1' );

preferences:
56.63 ms | 402 KiB | 5 Q