3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_convert_encoding("äöü"."-".utf8_encode("äöü"), 'UTF-8')."\n"; echo json_encode(array("äöü"."-".mb_convert_encoding("äöü", 'UTF-8')));

preferences:
32.52 ms | 402 KiB | 5 Q