Question

The character is UTF8 encoded, like..

“\u676f\u845b”

How to convert it back to normal UTF8 string in PHP?

Answer 1

http://webarto.com/83/php-unicode_decode-5.3
demo: http://ideone.com/AtY0v

function decode_encoded_utf8($string){
    return preg_replace_callback('#\\\\u([0-9a-f]{4})#ism', function($matches) { return mb_convert_encoding(pack("H*", $matches[1]), "UTF-8", "UCS-2BE"); }, $string);
}
 
echo unicode_decode('\u676f\u845b'); # 杯葛