3v4l.org

run code in 500+ PHP versions simultaneously
<?php $myChar = "\u{1F606}"; echo $myChar; $code = "1F606"; $myChar = html_entity_decode('&#x'.$code.";", ENT_QUOTES, 'UTF-8'); echo $myChar;

preferences:
41.08 ms | 1235 KiB | 5 Q