private $DataBase; public function __construct() { $this->DataBase = new Client(); } public function __destruct() { $this->DataBase = null; } public function create($name, $passwd, $email) { $DataBase = $this->DataBase; $table = self::TABLE; $NColumn = self::NAMECOLUMN; $PColumn = self::PSWDCOLUMN; $EColumn = self::EMAILCOLUMN; $todo = 'INSERT INTO ' . $table . '(' . $NColumn . ',' . $PColumn . ',' . $EColumn . ') '; $todo .= 'VALUES(\'' . $name . '\',\'' . md5($passwd) . '\',\'' . $email . '\')'; $result = $DataBase->setter($todo); } public function Set(array $target, $value) { } public function get(array $target) { } } $use = new UserClient(); $use->create('medo', '@open@', '*****@*****.**'); ?>