index.php

<?php

/***********************************
	   config stuff up here 
************************************/

date_default_timezone_set('America/New_York');
$my_podcast = '';  /* www.mixcloud.com/THISBIT/ */ 

$my_feed_url = ""; /* url where your cron job saves the output feed - used for self-reference */ 
$language = "en-us";


/***************************************
  nothing to configure below this line
****************************************/ 

include_once('curl.php');

$user_info = json_decode(curlGet('http://api.mixcloud.com/'.$my_podcast .'/')); 

$itunes_image = $user_info->pictures->large;
$my_description = stripslashes($user_info->biog);
$updated = date(DATE_RSS,strtotime($user_info->updated_time));
$my_title = $user_info->name;
$my_link = $user_info->url;
 
/* write out the outer shell, channel, globals */ 
$updated= date("D, d M Y H:i:s T",strtotime("now"));
$output = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
	<rss version=\"2.0\" xmlns:itunes=\"http://www.itunes.com/dtds/podcast-1.0.dtd\"
		 xmlns:atom=\"http://www.w3.org/2005/Atom\">	
	<channel>
		<title><![CDATA[$my_title]]></title>
		<link>$my_link</link>
		<description><![CDATA[$my_description]]></description>
		<image>
			<url>$itunes_image</url>
			<link>$my_link</link>
			<description><![CDATA[$my_title]]></description>
			<title><![CDATA[$my_title]]></title>
		</image>
		<language>$language</language>
		<lastBuildDate>$updated</lastBuildDate>
		<pubDate>$updated</pubDate>
		<itunes:explicit>no</itunes:explicit>
		<atom:link href=\"$my_feed_url\" rel=\"self\" type=\"application/rss+xml\" /> 

		";

$nextURL = null;
do {
	/* First get the info page for this playlist */
	$url = $nextURL ? $nextURL : $my_podcast;
	$my_podcast_page = file_get_contents('http://www.mixcloud.com/'.$url);

	$my_podcast_page = mb_convert_encoding($my_podcast_page, 'HTML-ENTITIES', "UTF-8");

	$doc = new DOMDocument();
	/* hide warnings - html docs likely won't parse correctly */ 
	libxml_use_internal_errors(true);
	$doc->loadHTML($my_podcast_page); 
	
	$xpath = new DOMXpath($doc);

	if ($xpath->query('//div[@class="infinitescroll-end"]')->length == 0) {
		break;
	}
	$nextURL = $xpath->query('//div[@class="infinitescroll-end"]')->item(0)->getAttribute("m-next-page-url");
	
        $episodes = $xpath->query('//span[@class="play-button "]');
        //echo '<p>episodes has '. $episodes->length .'</p>';
	if($episodes->length > 0) {
		//echo '<p>List of episodes:</p><ol>';
		foreach ($episodes as $episode) {
			//$episode_image = $xpath->query('.//div[@class="card-cloudcast-image"]/a/img',$container);
			//$large_photo = 'http:' . $episode_image->item(0)->getAttribute("src");
			$episode_info = $xpath->query('//span[@class="play-button "]');
		        //if ($episode_info->length == 0) { //episodes that are disabled have no title
			//	continue;
			//}
			$e_title = $episode->getAttribute("m-title");
			$e_url = 'http://www.mixcloud.com'. $episode->getAttribute("m-url");
			$e_description = json_decode(curlGet('http://api.mixcloud.com'.$episode->getAttribute("m-url")))->description;
			$e_preview = $episode->getAttribute("m-preview");
			$length = strpos($e_preview, "preview");
			$e_server = substr($e_preview,0,$length - 1);
			$e_server = str_replace("audiocdn", "stream", $e_server);
			// todo - should not just be 39 magic number, but where 'preview/' is in url
			$e_identifier = substr($e_preview,$length + 9);
			$e_identifier = rtrim($e_identifier,".mp3"); 
			$e_download =  $e_server . '/c/m4a/64/'. $e_identifier .'.m4a'; 
			$e_original = $e_server . '/c/originals/' . $e_identifier . '.mp3';
			$item_size = get_Size($e_download);
			/* if $item_size is 168 this means not found */ 
			if($item_size > 200) {
				$episode_update = $xpath->query('.//div[@class="card-stats cf"]/span[@class="card-date"]/time',$container); 
				if($episode_update) {
					$pubDate = strtotime($episode_update->item(0)->nodeValue);
				} else {
					$pubDate = "false";
				} 
				$output .= "<item>
				<pubDate>". date(DATE_RSS,$pubDate) ."</pubDate>
				<title><![CDATA[$e_title]]></title>
				<link>$e_url</link>
				<description><![CDATA[$e_description]]></description>
				<itunes:image href=\"$large_photo\" />
				<enclosure url=\"$e_download\" length=\"$item_size\" type=\"audio/mp4\" />
				<guid isPermaLink=\"true\">$e_url</guid>
			</item>
				";
			}
		}
	}
} while ($nextURL);

/* seems like we're getting the closing footer too early */
sleep(2); 

/* and output the closing footer */
$output .= "
	</channel>
</rss>";

header("Content-Type: application/rss+xml; charset=UTF-8");
echo $output;

/*
Create a xml file containing the podcast feed
file_put_contents($my_podcast.".xml", $output);
header("Location: $my_podcast.".xml");
*/

?>