public static function conexao() { if (self::$objConexao == null) { self::$objConexao = new PDO('mysql:host=localhost;dbname=locadora', 'root', ''); return self::$objConexao; } else { return self::$objConexao; } }
public static function conexao() { self::$objConexao = new PDO('mysql:host=localhost;dbname=locadora', 'root', ''); }