added database connectors and cleaned up configuration.

laravel/database/connectors/mysql.php

@@ -0,0 +1,47 @@
+<?php namespace Laravel\Database\Connectors; use PDO;
+
+class MySQL extends Connector {
+
+	/**
+	 * Establish a PDO database connection for a given database configuration.
+	 *
+	 * @param  array  $config
+	 * @return PDO
+	 */
+	public function connect($config)
+	{
+		$connection = new PDO($this->dsn($config), $config['username'], $config['password'], $this->options($config));
+
+		if (isset($config['charset']))
+		{
+			$connection->prepare("SET NAMES '{$config['charset']}'")->execute();
+		}
+
+		return $connection;
+	}
+
+	/**
+	 * Format the DSN connection string for a MySQL connection.
+	 *
+	 * @param  array   $config
+	 * @return string
+	 */
+	protected function dsn($config)
+	{
+		// Format the initial MySQL PDO connection string. These options are required
+		// for every MySQL connection that is established. The connection strings
+		// have the following convention: "mysql:host=hostname;dbname=database"
+		$dsn = sprintf('%s:host=%s;dbname=%s', $config['driver'], $config['host'], $config['database']);
+
+		// Check for any optional MySQL PDO options. These options are not required
+		// to establish a PDO connection; however, may be needed in certain server
+		// or hosting environments used by the developer.
+		foreach (array('port', 'unix_socket') as $key => $value)
+		{
+			if (isset($config[$key])) $dsn .= ";{$key}={$value}";
+		}
+
+		return $dsn;
+	}
+
+}