<?php
error_reporting(E_ALL);
date_default_timezone_set('UTC');
$entries = array();
function get($url)
{
    $filename = 'c/'.md5($url).'txt';
    if(!file_exists($filename))
    {
        $response = file_get_contents($url);
        file_put_contents($filename, $response);
        sleep(2.1);
    }
    else
    {
        $response = file_get_contents($filename);
    }
    return $response;
}
$subs = explode(',', $_GET['sub']);
$lh = fopen('log.txt', 'w+');
foreach($subs as $sub)
{
    if(file_exists('images/'.$sub))
        continue;
    if(!is_dir('images/'.$sub))
    {
        mkdir('images/'.$sub);
        chmod('images/'.$sub, 0777);
    }
    $after = '';
    $pages = 10;
    for($p = 0; $p < $pages; $p++)
    {
        fwrite($lh, $sub.' '.$p."\n");
        $url = 'http://reddit.com/r/'.$sub.'/top/.json?sort=top&count=25&after='.$after.'&t=all';
        echo $url."\n";
        $data = json_decode(get($url), true);
        $data = $data['data']['children'];
        for($i = 0; $i < count($data); $i++)
        {
            if($i == count($data) - 1)
            {
                $after = 't3_'.$item['id'];
            }
            $item = $data[$i]['data'];
            $thumbnail_url = $item['thumbnail'];
            if(!stristr($thumbnail_url, 'http://'))
                continue;
            $fname = 'images/'.$sub.'/'.$item['id'].'.jpg';
            if(!file_exists($fname))
                file_put_contents($fname, file_get_contents($thumbnail_url));
        }
    }
}
fclose($lh);
?>