/**
* Singleton accessor
*
* @return Connection
*/
public static function instance()
{
if (self::$instance === null) {
self::$instance = new self();
}
return self::$instance;
}
public static function getInstance()
{
if (empty(self::$instance)) {
self::$instance = new Connection();
}
return self::$instance;
}
/**
* The Serializable interface
*
* @param string $data Serialized representation of a Model
* @return void
*/
public function unserialize($data)
{
$properties = unserialize($data);
foreach ($properties as $property => $value) {
$this->{$property} = $value;
}
$this->connection = ModelConnection::instance();
}
