如何使用这个PHP功能？ [关闭]

Let's say i have this function but i don't know how to call it...

echo getYoutubeSearchVideosFeeds($variables);

with what i should replace $variables to call $q, $orderby, $startIndex and so on?

function getYoutubeSearchVideosFeeds($criteria) {
    $url = 'http://gdata.youtube.com/feeds/api/videos?';
    $q = urlencode($criteria['q']);
    $orderby = $criteria['orderby']; // relevance, published, viewCount, rating
    $startIndex = $criteria['start-index'];
    $maxResults = $criteria['max-results'];
    $author = $criteria['author'];
    $format = $criteria['format'];
    $lr = $criteria['lr']; // fr, en
    $safeSearch = $criteria['safeSearch']; //none, moderate, strict

  // more code 
}

Just pass it an associative array with the values listed in the function:

getYoutubeSearchVideosFeeds(array('q' => '...', 'orderby' => '...', ...));

Pass an array populated with values for each of the keys the function requires:

 getYoutubeSearchVideosFeeds(array('q' => '...',  'orderby' => '...'));

getYoutubeSearchVideosFeeds(

array(

"q"=>"CriteriaValuesHere..GetItFromGDataHelp",
"start-index" => "Other Values"
.
.
.        
)


);