function list_public_containers()
    {
        list($status, $reason, $containers) =
                $this->cfs_http->list_cdn_containers();
        #if ($status == 401 && $this->_re_auth()) {
        #    return $this->list_public_containers();
        #}
        if ($status < 200 || $status > 299) {
            throw new InvalidResponseException(
                "Invalid response (".$status."): ".$this->cfs_http->get_error());
        }
        return $containers;
    }
function list_public_containers()
    {
        list($status, $reason, $containers) =
                $this->cfs_http->list_cdn_containers();
        #if ($status == 401 && $this->_re_auth()) {
        #    return $this->list_public_containers();
        #}
        if ($status < 200 || $status > 299) {
            throw new InvalidResponseException(
                "Invalid response (".$status."): ".$this->cfs_http->get_error());
        }
        return $containers;
    }
function list_public_containers ( ) { list ( $ status , $ reason , $ containers ) = $ this -> cfs_http -> list_cdn_containers ( ) ; #if ($status == 401 && $this->_re_auth()) { #    return $this->list_public_containers(); #} if ( $ status < 200 || $ status > 299 ) { throw new InvalidResponseException ( "Invalid response (" . $ status . "): " . $ this -> cfs_http -> get_error ( ) ) ; } return $ containers ; }
Return list of Containers that have been published to the CDN.

Return an array of strings containing the names of published Containers.
Note that this function returns the list of any Container that has
ever been CDN-enabled regardless of it's existence in the storage
system.

Example:
<code>
# ... authentication code excluded (see previous examples) ...
#
$conn = new CF_Authentication($auth);

$public_containers = $conn->list_public_containers();
print_r($public_containers);
Array
(
[0] => "images",
[1] => "css",
[2] => "javascript"
)
</code>

@return array list of published Container names
@throws InvalidResponseException unexpected response
Return list of Containers that have been published to the CDN .