forked from jpfuentes2/php-activerecord
/
ConnectionManager.php
51 lines (45 loc) · 1.15 KB
/
ConnectionManager.php
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<?php
/**
* @package ActiveRecord
*/
namespace ActiveRecord;
/**
* Singleton to manage any and all database connections.
*
* @package ActiveRecord
*/
class ConnectionManager extends Singleton
{
/**
* Array of {@link Connection} objects.
* @var array
*/
static private $connections = array();
/**
* If $name is null then the default connection will be returned.
*
* @see Config
* @param string $name Optional name of a connection
* @return Connection
*/
public static function get_connection($name=null)
{
$config = Config::instance();
$name = $name ? $name : $config->get_default_connection();
if (!isset(self::$connections[$name]) || !self::$connections[$name]->connection)
self::$connections[$name] = Connection::instance($config->get_connection($name));
return self::$connections[$name];
}
/**
* Drops the connection from the connection manager. Does not actually close it since there
* is no close method in PDO.
*
* @param string $name Name of the connection to forget about
*/
public static function drop_connection($name=null)
{
if (isset(self::$connections[$name]))
unset(self::$connections[$name]);
}
}
?>