Initializes the Bag
array $array:
Overrides SessionBagInterface::initialize
public function initialize(array &$array) {
$this->meta =& $array;
if (isset($array[self::CREATED])) {
$this->lastUsed = $this->meta[self::UPDATED];
$this->meta[self::UPDATED] = time();
}
else {
$this
->stampCreated();
}
}