/**
* @param $matches String
* @return String
*/
static function decodeCharReferencesCallback($matches)
{
if ($matches[1] != '') {
return SGString::decodeEntity($matches[1]);
} elseif ($matches[2] != '') {
return SGString::decodeChar(intval($matches[2]));
} elseif ($matches[3] != '') {
return SGString::decodeChar(hexdec($matches[3]));
} elseif ($matches[4] != '') {
return SGString::decodeChar(hexdec($matches[4]));
}
# Last case should be an ampersand by itself
return $matches[0];
}
