js unescape 对应php的函数,php实现Javascript的escape和unescape函数

由于需要用到php调用js文件，在网上找了相关的资料，并改写了相关的方法。

php实现 Javascript的escape函数方法：

function escape($str) {

preg_match_all("/[/xc2-/xdf][/x80-/xbf]+|[/xe0-/xef][/x80-/xbf]{2}|[/xf0-/xff][/x80-/xbf]{3}|[/x01-/x7f]+/e",$str,$r);//匹配utf-8字符

$str = $r[0];

$l = count($str);

for($i=0; $i

$value = ord($str[$i][0]);

if($value < 223) {

$str[$i] = rawurlencode($str[$i]);

} else {

$str[$i] = "%u".strtoupper(bin2hex(mb_convert_encoding($str[$i],"UCS-2","UTF-8")));

}

}

return join("",$str);

}

php实现 Javascript的unescape函数方法：

function unescape($str)

{

$str = rawurldecode($str);

preg_match_all("/%u.{4}|.{4};|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)));

$ar[$k] = mb_convert_encoding(pack("H4",substr($v,-4)),"UTF-8","UCS-2");

}

elseif(substr($v,0,3) == "")

{

//$ar[$k] = iconv("UCS-2","UTF-8",pack("H4",substr($v,3,-1)));

$ar[$k] = mb_convert_encoding(pack("H4",substr($v,3,-1)),"UTF-8","UCS-2");

}

elseif(substr($v,0,2) == "")

{

//$ar[$k] = iconv("UCS-2","UTF-8",pack("n",substr($v,2,-1)));

$ar[$k] = mb_convert_encoding(pack("n",substr($v,2,-1)),"UTF-8","UCS-2");

}

}

return join("",$ar);

}

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