I have some UTF-16 encoded characters in their surrogate pair form. I want to output those surrogate pairs as characters on the screen.
Does anyone know how this is poss
iconv('UTF-16', 'UTF-8', yourString)
Your question is a little unclear.
If you have ASCII text with embedded UTF-16 escape sequences, you can convert everything to UTF-8 in this way:
function unescape_utf16($string) {
/* go for possible surrogate pairs first */
$string = preg_replace_callback(
'/\\\\u(D[89ab][0-9a-f]{2})\\\\u(D[c-f][0-9a-f]{2})/i',
function ($matches) {
$d = pack("H*", $matches[1].$matches[2]);
return mb_convert_encoding($d, "UTF-8", "UTF-16BE");
}, $string);
/* now the rest */
$string = preg_replace_callback('/\\\\u([0-9a-f]{4})/i',
function ($matches) {
$d = pack("H*", $matches[1]);
return mb_convert_encoding($d, "UTF-8", "UTF-16BE");
}, $string);
return $string;
}
$string = '\uD869\uDED6';
echo unescape_utf16($string);
which gives the character