<?php

require 'vendor/autoload.php';

use PicoFeed\Reader\Reader;

use PicoFeed\Syndication\Rss20;

define('IMAGE_URL_RX', '/<img src="(http\:\/\/(?:[^"]+)\.(?:jpg|jpeg|gif|png))"\s*\/?/i');

function extract_image_urls($desc) {

}

function url_to_filename($url) {

}

$feed_url = urldecode($_GET['url']);

$reader = new Reader;

$resource = $reader->download($feed_url);

$parser = $reader->getParser(

$resource->getUrl(),

$resource->getContent(),

$resource->getEncoding()

);

$feed = $parser->execute();

$image_items = array();

foreach($feed->items as $item) {

$image_urls = extract_image_urls($item->content);

foreach($image_urls as $url) {

$image_items[] = array(

'title' => url_to_filename($url),

'updated' => $item->date->getTimestamp(),

'url' => $url,

'summary' => "<img src=\"{$url}\">",

);

}

}

$writer = new Rss20();

$writer->title = $feed->title;

$writer->site_url = $feed->site_url;

$writer->feed_url = "http://{$_SERVER['HTTP_HOST']}{$_SERVER['SCRIPT_NAME']}/?url=" . urlencode($feed_url);

$writer->description = "{$feed->description}\nModified by Splitch (http://{$_SERVER['HTTP_HOST']})";

$writer->items = $image_items;

header('content-type: application/rss+xml');

echo $writer->execute();