PRC_Order->get_data
Returns data from all public methods of PRC_Order.
Example
$order = new PRC_Order( $photo_order_id );
$order_data = $order->get_data();
//
// Returns an array like so:
// [
// 'selected_photographer_id' => 4,
// 'mileage' => 46,
// 'total' => 196,
// ...etc.
// ]
