How to call php method parameters in js

The method for js to call php method parameters: 1. Direct URL encoding, the code is [string = encodeURIComponent()]; 2. Use escape encoding, the code is [$.getJSON("admin.php?action= ” escape()].

The operating environment of this tutorial: windows7 system, javascript1.8.5&&PHP5.6 version, DELL G3 computer, this method is suitable for all brands Computer.

Methods for js to call php method parameters:

The first method, Direct URL encoding is more convenient

JS :

<script type=”text/javascript”>
string = encodeURIComponent(string);
location.href = index.php?keyword=’+string;
</script>

php:

$keyword = (isset($_GET['keyword'])) ? $_GET['keyword'] : ”;

The second type, using escape encoding is more complicated but seems to be more versatile. It may be required when passing through ajax #JS:

……..
$.getJSON(“admin.php?action=”+escape(action),function(json){
})
…………

PHP:

function unescape($str) { //定义unescape函数
$str = urldecode($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"]);

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