/**
* Get a singleton Database instance. If configuration is not specified,
* it will be loaded from the database configuration file using the same
* group as the name.
*
* @param null $name
* @param array $config
* @return mixed
*/
public static function init($name = NULL, array $config = NULL)
{
if ($name === NULL) {
// Use the default instance name
$name = Database::$default;
}
if ($config === NULL) {
// Load the configuration for this database
$config = Config::load('database_simple');
}
// Group information
$type = $config['DB_TYPE'];
$host = $config['DB_HOST'];
$n_me = $config['DB_NAME'];
$user = $config['DB_USER'];
$pass = $config['DB_PASS'];
// Checking if the same
if (isset(self::$instances[$name])) {
return self::$instances[$name];
}
// I've run into problem where
// SET NAMES "UTF8" not working on some hostings.
// Specifiying charset in DSN fixes the charset problem perfectly!
$instance = new Database("{$type}:host={$host};dbname={$n_me};", $user, $pass);
$instance->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// Setting Database into $instances to avoid duplication
self::$instances[$name] = $instance;
return $instance;
}
/**
* Load database if dbname exist
*
* @param null $db
*/
public function __construct($db = NULL)
{
if ($db) {
// Set the instance or name
$this->_db = $db;
} elseif (!$this->_db) {
// Use the default name
$this->_db = Database::$default;
}
$this->_config = Config::load('database_simple');
if (is_string($this->_db)) {
// Load the database
$this->db = Database::init($this->_db);
}
}
