javascript escape를 php에서 푸는 방법

예제 1

추천 예제

<?php

unescape($userid, "EUC-KR");

function unescape($source, $iconv_to = 'UTF-8') {
    $decodedStr = '';
    $pos = 0;
    $len = strlen ($source);
    while ($pos < $len) {
        $charAt = substr ($source, $pos, 1);
        if ($charAt == '%') {
            $pos++;
            $charAt = substr ($source, $pos, 1);
            if ($charAt == 'u') {
                // we got a unicode character
                $pos++;
                $unicodeHexVal = substr ($source, $pos, 4);
                $unicode = hexdec ($unicodeHexVal);
                $decodedStr .= $this->code2utf($unicode);
                $pos += 4;
            }
            else {
                // we have an escaped ascii character
                $hexVal = substr ($source, $pos, 2);
                $decodedStr .= chr (hexdec ($hexVal));
                $pos += 2;
            }
        }
        else {
            $decodedStr .= $charAt;
            $pos++;
        }
    }

    if ($iconv_to != "UTF-8") {
        $decodedStr = iconv("UTF-8", $iconv_to, $decodedStr);
    }
    
    return $decodedStr;
}

function code2utf($num){
    if($num<128)return chr($num);
    if($num<2048)return chr(($num>>6)+192).chr(($num&63)+128);
    if($num<65536)return chr(($num>>12)+224).chr((($num>>6)&63)+128).chr(($num&63)+128);
    if($num<2097152)return chr(($num>>18)+240).chr((($num>>12)&63)+128).chr((($num>>6)&63)+128) .chr(($num&63)+128);
    return '';
}

예제 2

//echo urlencode("효진");
echo utf8RawUrlDecode("%uD6A8%uC9C4");
function utf8RawUrlDecode ($source) { 
    $decodedStr = ""; 
    $pos = 0; 
    $len = strlen ($source); 
    while ($pos < $len) { 
        $charAt = substr ($source, $pos, 1); 
        if ($charAt == '%') { 
            $pos++; 
            $charAt = substr ($source, $pos, 1); 
            if ($charAt == 'u') { 
                // we got a unicode character 
                $pos++; 
                $unicodeHexVal = substr ($source, $pos, 4); 
                $unicode = hexdec ($unicodeHexVal); 
                $entity = "&#". $unicode . ';'; 
                $decodedStr .= utf8_encode ($entity); 
                $pos += 4; 
            } 
            else { 
                // we have an escaped ascii character 
                $hexVal = substr ($source, $pos, 2); 
                $decodedStr .= chr (hexdec ($hexVal)); 
                $pos += 2; 
            } 
        } else { 
            $decodedStr .= $charAt; 
            $pos++; 
        } 
    } 
    return $decodedStr; 
} 


//////////////////////////다른 함수
function _html_to_utf8 ($data){
    if ($data > 127)
        {
        $i = 5;
        while (($i--) > 0)
            {
            if ($data != ($a = $data % ($p = pow(64, $i))))
                {
                $ret = chr(base_convert(str_pad(str_repeat(1, $i + 1), 8, "0"), 2, 10) + (($data - $a) / $p));
                for ($i; $i > 0; $i--)
                    $ret .= chr(128 + ((($data % pow(64, $i)) - ($data % ($p = pow(64, $i - 1)))) / $p));
                break;
                }
            }
        }
        else
        $ret = "$data";
    return $ret;
}
?>