<?php

$path = dirname( __FILE__ );

require_once( $path . '/config.php');

abstract class DB
{
	private static $conexao;

	public static function connect()
	{
		if(!isset(self::$conexao))
		{
			try{
				self::$conexao = new PDO('mysql:host='.HOST.';dbname='.DB_NAME, USER, PASS);
				self::$conexao->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
				self::$conexao->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
			}
			catch(PDOException $e)
			{
				echo $e->getMessage();
			}
			return self::$conexao;
		}

	}


	public static function prepare($sql)
		{
			return self::connect()->prepare($sql);
		}
}


 ?>