PHP 4 入門 json オブジェクトの解析

<code><span><span>function</span><span>logging</span><span>()</span>
    {</span><span>var</span>  x = <span>new</span> XMLHttpRequest();

                x.onreadystatechange =<span><span>function</span><span>()</span>
                {</span><span>if</span>(x.readyState == <span>4</span>) {

                        <span>if</span>(x.status == <span>200</span>) {
                            console.log(<span>"The server replied with: "</span> + x.responseText);
                            txt.text = x.responseText;

                        }


                    }
                };
                <span>var</span> xxx = <span>new</span><span>Object</span>;
                xxx.id=<span>289672082</span>;
                xxx.pwd = <span>'12345'</span>;
                <span>var</span> pcode=  <span>JSON</span>.stringify(xxx);
                x.open(<span>"GET"</span>,<span>"http://localhost/mycode/Test/index.php?code="</span>+pcode);
                x.send(<span>null</span>);
    }</code>

<code><span>$pcode</span> = <span>$_GET</span>[<span>'code'</span>]; 
<span>$obj</span> = json_decode(<span>$pcode</span>);
<span>echo</span><span>$obj</span>->id . <span>","</span> . <span>$obj</span>-><span>pwd</span>;</code>