'number'=>'(int=20) The number of media items to return. Limit: 100.',
'offset'=>'(int=0) 0-indexed offset.',
'page'=>'(int) Return the Nth 1-indexed page of posts. Takes precedence over the <code>offset</code> parameter.',
'page_handle'=>'(string) A page handle, returned from a previous API call as a <code>meta.next_page</code> property. This is the most efficient way to fetch the next page of results.',
'order'=>array(
'DESC'=>'Return files in descending order. For dates, that means newest to oldest.',
'ASC'=>'Return files in ascending order. For dates, that means oldest to newest.',
),
'order_by'=>array(
'date'=>'Order by the uploaded time of each file.',
'title'=>'Order lexicographically by file titles.',
'ID'=>'Order by media ID.',
),
'search'=>'(string) Search query.',
'post_ID'=>'(int) Default is showing all items. The post where the media item is attached. 0 shows unattached media items.',
'mime_type'=>"(string) Default is empty. Filter by mime type (e.g., 'image/jpeg', 'application/pdf'). Partial searches also work (e.g. passing 'image' will search for all image files).",
'after'=>'(ISO 8601 datetime) Return media items uploaded after the specified datetime.',
'before'=>'(ISO 8601 datetime) Return media items uploaded before the specified datetime.',