_php tutorial on how to handle URL encoding for JS and PHP

Workaround: Use JS to the URL of the Chinese character escape code.

Copy the Code code as follows:


When you click the link, the effect is:

Reference: http://127.0.0.1/shop/product_list.php?p_sort=PHP%u5F00%u53D1%u8D44%u6E90%u7F51

The result is that the UrlDecode () or Base64_decode () in PHP is clearly not solvable.

Workaround, write an inverse function in PHP:

Copy the Code code as follows:
function Js_unescape ($STR) {
$ret = ";
$len = strlen ($STR);
for ($i = 0; $i < $len; $i + +) {
if ($str [$i] = = '% ' && $str [$i +1] = = ' U ') {
$val = Hexdec (substr ($str, $i +2, 4));
if ($val < 0x7f) $ret. = Chr ($val);
else if ($val < 0x800) $ret. = Chr (0xc0| ( $val >>6). Chr (0x80| ( $val &0x3f));
else $ret. = Chr (0xe0| ( $val >>12). Chr (0x80| ( ($val >>6) &0x3f). Chr (0x80| ( $val &0x3f));
$i + = 5;
}

else if ($str [$i] = = '% ') {
$ret. = UrlDecode (substr ($str, $i, 3));
$i + = 2;
}
else $ret. = $str [$i];
}
return $ret;
}

Note that the JS encoding will automatically be converted into UTF-8, so the encoding must be converted to get the correct results, otherwise it will be garbled in Chinese.

Copy the Code code as follows:
Print iconv (' utf-8 ', ' gb2312 ', Js_unescape ($_request[' p_sort '));

To this we have successfully reversed the JS escape code.

In addition, I found a PHP implementation of the Escape encoding function:
Copy the Code code as follows:
function Phpescape ($STR) {
$sublen =strlen ($STR);
$retrunString = "";
for ($i =0; $i < $sublen; $i + +) {
if (Ord ($str [$i]) >=127) {
$tmpString =bin2hex (Iconv ("gb2312", "Ucs-2", substr ($str, $i, 2)));
$tmpString =substr ($tmpString, 2,2). substr ($tmpString, 0,2); window may open this
$retrunString. = "%u". $tmpString;
$i + +;
} else {
$retrunString. = "%". Dechex (Ord ($str [$i]);
}}
return $retrunString;
}

http://www.bkjia.com/PHPjc/736804.html www.bkjia.com true http://www.bkjia.com/PHPjc/736804.html techarticle Workaround: Use JS to the URL of the Chinese character escape code. Copy the code as follows: a href= "" onclick= "window.open (' product_list.php?p_sort= ' +escape (' PHP Development Resource Net '));" ...

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