Two ways to pass a Chinese parameter to a PHP page through JS ____php

On the Internet to find, first stay, for later use, see comments that this is for UTF-8 coding

Found two of the most common methods for the time being.
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The first kind of direct URL coding is more convenient
Js:
[JavaScript] view plain copy <script type= "Text/javascript" > String = encodeURIComponent (string);   Location.href = Index.php?keyword= ' +string; </script> ————————————————
Php:
[PHP] view plain copy $keyword = (isset ($_get[' keyword '))?   $_get[' keyword ']: "; //////////////////////////////////////////////////////////////////
The second use of escape coding is more complex but concurrent sex seems to be better, passing through Ajax may need
Js:
[JavaScript] view Plain copy ... $.getjson ("admin.php?action=" +escape (Action), function (JSON) {}) ...

Php:
[PHP] view plain copy function unescape ($STR) {//define unescape function $str = UrlDecode ($STR); Preg_match_all ("/(?:%u.{4}|& #x.; |   & #d +;|.+)/U ", $str, $r);   $ar = $r [0];   foreach ($ar as $k => $v) {if (substr ($v, 0,2) = = "%u") $ar [$k] = Iconv ("Ucs-2be", "Utf-8″,pack (" H4″,substr ($v,-4)));   ElseIf (substr ($v, 0,3) = = "& #x") $ar [$k] = Iconv ("Ucs-2be", "Utf-8″,pack (" H4″,substr ($v, 3,-1)));   ElseIf (substr ($v, 0,2) = = "&#") {$ar [$k] = Iconv ("Ucs-2be", "Utf-8″,pack (" n ", substr ($v, 2,-1)));   } return Join ("", $ar); } $action =unescape ($_get["action"));