Как вывести нужные json данные при запросе к php?

<form action="input1_save.php" method="post">
    <input type="text" name="num" value="2">
    <input type="text" name="id" value="32">
    <input type="submit" name="" value="go">
</form>
<div id="out">
    <div id="name"></div>
    <div id="f_name"></div>
    <div id="enable"></div>
</div>

[
    {
        "conf":{
            "type":"text",
            "tech_type":"js",
            "parser":"jq",
            "comm1":"5mr",
            "comm2":"priv",
            "name":"Petr",
            "f_name":"Ivanov",
            "enable":"no"
        }
    }
]