-
-
function unescape($str) {
- $str = rawurldecode($str);
- preg_match_all("/(?:%u.{4})|.+/",$str,$r);
- $ar = $r[0];
- foreach($ar as $k=>$v) {
- if(substr($v,0,2) == '%u' && strlen($v) == 6)
- $ar[$k] = iconv("UCS-2","utf-8",pack("H4",substr($v,-4)));
- }
- return join("",$ar);
- }
-
有点小问题，又换一个函数，好像功能要强大一些。
-
-
function unescape($str) {
- $str = rawurldecode($str);
- preg_match_all("/%u.{4}|.{4};|\d+;|\d+?|.+/U",$str,$r);
- $ar = $r[0];
- foreach($ar as $k=>$v) {
- if(substr($v,0,2) == "%u")
- $ar[$k] = iconv("UCS-2","utf-8",pack("H4",substr($v,-4)));
- elseif(substr($v,0,3) == "")
- $ar[$k] = iconv("UCS-2","utf-8",pack("H4",substr($v,3,-1)));
- elseif(substr($v,0,2) == "") {
- $ar[$k] = iconv("UCS-2","utf-8",pack("n",preg_replace("/[^\d]/","",$v)));
- }
- }
- return join("",$ar);
- }
-
用了一段时间，发现在本地可以使用，但是我们的线上环境不能够使用。
线上是*nux，本地是XP了，还有，就是PHP版本不一样了。
后来，又在手册里面发现有一个类似的函数
而且还支持utf8，个人觉得应该通用性更好吧。
-
-
//php字符转码
- function utf8RawUrlDecode ($source) {
- $decodedStr = "";
- $pos = 0;
- $len = strlen ($source);
- while ($pos $charAt = substr ($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;
- }
-
使用此函数成功解决问题。
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