我有下面的代码有问题:PHP PDO使用fetchall,PDO :: FETCH_CLASS并加入
$query = 'SELECT user.id as id, pet.name as name FROM user
LEFT JOIN pet on pet.user_id = user.id
WHERE user.id = 15';
$result = $pdo->query($query);
此代码将产生类似这样:
***************
| id | name |
***************
| 1 | Mikey |
***************
| 1 | Stewie |
***************
| 1 | Jessy |
***************
现在,我喜欢使用PDO::FETCH_CLASS
来获取对象。但是,至少对我而言,这种方法只适用于简单的SELECT
声明。当你有一个连接语句时,它会在一个类中获取所有内容。换句话说:
$user = $result->fetchAll(PDO::FETCH_CLASS, 'User');
echo $user->name; // this will print the pet name (which is weird)
因此,我想有类似的东西:
$pets = $user->pets; // an array holding Pet Objects
foreach ($pets as $pet)
echo $pet->name . "-";
这将产生:
Mikey - Stewie - Jessy -
我怎样才能做到这一点?