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<?php class User { private $id; private $username; } class MySqlUserMapper { public function fetchByUsername($username) { $row = array( 'id' => '1', 'username' => $username, ); $user = new User; $this->hydrate($user, $row); return $user; } private function hydrate(User $user, array $row) { static $hydrator; if (!$hydrator) { $hydrator = function (array $row) { var_dump($this); foreach ($row as $k => $v) { $this->{$k} = $v; } }; } $hydrator = $hydrator->bindTo($user, $user); $hydrator($row); } } $mapper = new MySqlUserMapper(); var_dump($mapper->fetchByUsername('mabe'));

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