Pulling in YouTube Videos from Specific Channel

class ChannelFeed {

function __construct($username){
$this->username=$username;
echo $this->username;
$this->feedUrl=$url='http://gdata.youtube.com/feeds/api/users/'.$username.'/uploads?orderby=updated';
$this->feed=simplexml_load_file($url);
}

public function getYTid() {

$ytURL = $this->feed->entry->link['href'];

$ytvIDlen = 11; // This is the length of YouTube's video IDs

// The ID string starts after "v=", which is usually right after
// "youtube.com/watch?" in the URL
$idStarts = strpos($ytURL, "?v=");

// In case the "v=" is NOT right after the "?" (not likely, but I like to keep my
// bases covered), it will be after an "&":
if($idStarts === FALSE)
$idStarts = strpos($ytURL, "&v=");
// If still FALSE, URL doesn't have a vid ID
if($idStarts === FALSE)
die("YouTube video ID not found. Please double-check your URL.");

// Offset the start location to match the beginning of the ID string
$idStarts +=3;

// Get the ID string and return it
$ytvID = substr($ytURL, $idStarts, $ytvIDlen);
return $ytvID;
}

public function showFullFeed(){
$vidarray = array();
foreach($this->feed->entry as $video){
$vidarray[] = $video->link['href'];
}
return $vidarray ;
}


};
$youtube = new ChannelFeed('channel_name');
$vids = $youtube->showFullFeed();
$vidIDs = array_map(array(&$youtube, "getYTid"), $vids);