private function _prepareData($data, $lifetime, $priority)
    {
        $lt = $lifetime;
        if ($lt === null) {
            $lt = 9999999999;
        }
        return serialize(array(
            'data' => $data,
            'lifetime' => $lifetime,
            'expire' => time() + $lt,
            'priority' => $priority
        ));
    }
private function _prepareData($data, $lifetime, $priority)
    {
        $lt = $lifetime;
        if ($lt === null) {
            $lt = 9999999999;
        }
        return serialize(array(
            'data' => $data,
            'lifetime' => $lifetime,
            'expire' => time() + $lt,
            'priority' => $priority
        ));
    }
private function _prepareData ( $ data , $ lifetime , $ priority ) { $ lt = $ lifetime ; if ( $ lt === null ) { $ lt = 9999999999 ; } return serialize ( array ( 'data' => $ data , 'lifetime' => $ lifetime , 'expire' => time ( ) + $ lt , 'priority' => $ priority ) ) ; }
Prepare a serialized array to store datas and metadatas informations

@param string $data data to store
@param int $lifetime original lifetime
@param int $priority priority
@return string serialize array to store into cache
Prepare a serialized array to store datas and metadatas informations