<?php
    $url='http://oreno.imouto.org/post/index.json?limit=20&tags=hatsune_miku';
    $data = get_data($url);
    $obj = json_decode($data);
    /* gets the data from a URL */

    function get_data($url)
    {
    $ch = curl_init();
    $timeout = 5;
    curl_setopt($ch,CURLOPT_URL,$url);
    curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
    curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout);
    $data = curl_exec($ch);
    curl_close($ch);
    return $data;
    }

    $json = json_encode($data);

    $callback = $_GET['callback'];
    echo $callback.'('. $json . ')';
?>