get_feed php functions

get_feed.php

<?php

/**
 * Get an RSS or ATOM feed.
 * @param string $url The URL of the feed to get.
 * @param integer $count [optional] The number of entries to get. Default value is 10.
 * @param string $api_key [optional] The Google AJAX Feed API key. Default value is NULL.
 * @param string $language [optional] The language to retrieve the feed in. Default value is NULL.
 * @return array Returns an array representing the feed.
 */
function get_feed($url, $count=10, $api_key=null, $language=null){
	
	// sort query parameters
	$params = array(
		'v' => '1.0',
		'q' => $url,
		'num' => (int)$count,
		'format' => 'json'
		);
	if ($api_key){
		$params['key'] = $api_key;
		}
	if ($language){
		$params['hl'] = $language;
		}
	
	// get feed URL
	$feed_url = 'http://ajax.googleapis.com/ajax/services/feed/load?' . http_build_query($params);
	
	// get feed
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $feed_url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	$feed = curl_exec($ch);
	curl_close($ch);
	
	// decode feed
	$feed = json_decode($feed, true);
	
	// return feed as array
	return $feed;
	
	}

/**
 * Get a user's Google Buzz feed.
 * @param string $username The Google username or user ID to get a feed from.
 * @param integer $count [optional] The number of buzz to get. Default value is 10.
 * @param string $api_key [optional] The Google AJAX Feed API key. Default value is NULL.
 * @param string $language [optional] The language to retrieve the feed in. Default value is NULL.
 * @return array Returns an array representing the user's Google Buzz feed.
 */
function get_google_buzz_feed($username, $count=10, $api_key=null, $language=null){
		
	// get feed URL
	$feed_url = 'http://buzz.googleapis.com/feeds/' . $username . '/public/posted';
	
	// return feed as array
	return get_feed($feed_url, $count, $api_key, $language);
	
	}

/**
 * Get a user's Twitter feed.
 * @param string $username The Twitter username to get a feed from.
 * @param integer $count [optional] The number of tweets to get. Default value is 10.
 * @return array Returns an array representing the user's Twitter feed.
 */
function get_twitter_feed($username, $count=10){
	
	// sort query parameters
	$params = array(
		'count' => (int)$count
		);
	
	// get feed URL
	$feed_url = 'http://twitter.com/statuses/user_timeline/' . $username . '.json?' . http_build_query($params);
	
	// get feed
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $feed_url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	$feed = curl_exec($ch);
	curl_close($ch);
	
	// decode feed
	$feed = json_decode($feed, true);
	
	// return feed as array
	return $feed;
	
	}
	
/**
 * Get a user's Facebook feed.
 * @param string $username The Facebook username or user ID to get a feed from (this can also be the name/id of a page).
 * @param integer $count [optional] The number of status messages to get. Default value is 10.
 * @return array Returns an array representing the user's Facebook feed.
 */
function get_facebook_feed($username, $count=10){
	
	// sort query parameters
	$params = array(
		'limit' => (int)$count
		);
	
	// get feed URL
	$feed_url = 'http://graph.facebook.com/' . $username . '/feed?' . http_build_query($params);
	
	// get feed
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $feed_url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	$feed = curl_exec($ch);
	curl_close($ch);
	
	// decode feed
	$feed = json_decode($feed, true);
	
	// return feed as array
	return $feed;
	
	}

/**
 * Get a user's Flickr feed.
 * @param string $user_id The Flickr user ID to get a feed from.
 * @param string $language [optional] The language to retrieve the feed in. Default value is NULL.
 * @return array Returns an array representing the user's Flickr feed.
 */
function get_flickr_feed($user_id, $language=null){
	
	// sort query parameters
	$params = array(
		'id' => $user_id,
		'format' => 'php_serial'
		);
	if ($language){
		$params['lang'] = $language;
		}
	
	// get feed URL
	$feed_url = 'http://api.flickr.com/services/feeds/photos_public.gne?' . http_build_query($params);
	
	// get feed
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $feed_url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	$feed = curl_exec($ch);
	curl_close($ch);
	
	// unserialize feed
	$feed = unserialize($feed);
	
	// return feed as array
	return $feed;
	
	}

/**
 * Get a user's GitHub feed.
 * @param string $username The GitHub username to get a feed from.
 * @return array Returns an array representing the user's GitHub feed.
 */
function get_github_feed($username){
	
	// get feed URL
	$feed_url = 'http://github.com/' . $username . '.json';
	
	// get feed
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $feed_url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	$feed = curl_exec($ch);
	curl_close($ch);
	
	// decode feed
	$feed = json_decode($feed, true);
	
	// return feed as array
	return $feed;
	
	}

// testing
print '<h3>Regular Feed (BBC News)</h3>';
print '<pre>' . print_r(get_feed('http://newsrss.bbc.co.uk/rss/newsonline_uk_edition/front_page/rss.xml', 3), true) . '</pre>';

print '<h3>Google Buzz Feed</h3>';
print '<pre>' . print_r(get_google_buzz_feed('rowanmanning', 3), true) . '</pre>';

print '<h3>Twitter Feed</h3>';
print '<pre>' . print_r(get_twitter_feed('rowanmanning', 3), true) . '</pre>';

print '<h3>Facebook Feed</h3>';
print '<pre>' . print_r(get_facebook_feed('cocacola', 3), true) . '</pre>';

print '<h3>GitHub Feed</h3>';
print '<pre>' . print_r(get_github_feed('rowanmanning'), true) . '</pre>';

print '<h3>Flickr Feed</h3>';
print '<pre>' . print_r(get_flickr_feed('49512158@N00'), true) . '</pre>';

?>