gjerokrsteski/pimf-framework

<?php
/**
 * Database
 *
 * @copyright Copyright (c)  Gjero Krsteski (http://krsteski.de)
 * @license   http://opensource.org/licenses/MIT MIT License
 */

namespace Pimf\Pdo;

/**
 * Creates a PDO connection from the farm of connectors.
 *
 * @package Database
 * @author  Gjero Krsteski <gjero@krsteski.de>
 */
class Factory
{
    /**
     * @param array $config
     *
     * @return \Pimf\Database
     * @throws \RuntimeException If no driver specified or no PDO installed.
     * @throws \UnexpectedValueException
     */
    public static function get(array $config)
    {
        if (!isset($config['driver']) || !$config['driver']) {
            throw new \RuntimeException('no driver specified');
        }

        $driver = strtolower($config['driver']);

        if (!in_array($driver, array('sqlite', 'mysql', 'sqlserver', 'postgre'), true)) {
            throw new \UnexpectedValueException('PDO driver "' . $driver . '" not supported by PIMF');
        }

        if (!extension_loaded('pdo') || !extension_loaded('pdo_' . $driver)) {
            throw new \RuntimeException('Please navigate to "http://php.net/manual/pdo.installation.php" '
                . ' to find out how to install "PDO" with "pdo_' . $driver . '" on your system!');
        }

        $driver = '\Pimf\Pdo\\' . ucfirst($driver);

        $pdo = new $driver();

        return $pdo->connect($config);
    }
}