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php escape URL encoding_PHP tutorial
- WBOYOriginal
- 2016-07-21 15:48:351002browse
Xu Zuning's PHP version of the escape/unescape function
Copy code The code is as follows:
function escape($str) {
preg_match_all("/[x80-xff].|[x01-x7f]+/",$str,$r);
$ar = $r[0];
foreach($ar as $k =>$v) {
if(ord($v[0]) < 128)
$ar[$k] = rawurlencode($v);
else
$ar[ $k] = "%u".bin2hex(iconv("GB2312","UCS-2",$v));
}
return join("",$ar);
}
function unescape($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","GB2312",pack("H4",substr($v,-4)));
}
return join("",$ar);
}
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