URL에서 한글만 인코딩
function get_encoded_hurl($str) {
preg_match_all('/[\x{1100}-\x{11ff}\x{3130}-\x{318f}\x{ac00}-\x{d7af}]+/u', $str, $matches);
foreach($matches as $key2 => $val2) {
$cnt = count($val2);
if($cnt > 0) {
foreach($val2 as $key3 => $val3) {
$str = str_replace($val3, urlencode($val3), $str);
}
}
}
return $str;
}