修改PHP对象属性名称


Modify PHP Object Property Name

在PHP中,是否可以更改Objects属性键/名称?例如:

stdClass Object
(
     [cpus] => 2
     [created_at] => 2011-05-23T01:28:29-07:00
     [memory] => 256
)

我希望将Object中的关键字created_at更改为created,留下一个看起来像的对象

stdClass Object
(
     [cpus] => 2
     [created] => 2011-05-23T01:28:29-07:00
     [memory] => 256
)
$object->created = $object->created_at;
unset($object->created_at);

不过,像适配器类这样的东西可能是一个更健壮的选择,这取决于该操作在哪里以及多久需要一次。

class PC {
    public $cpus;
    public $created;
    public $memory;
    public function __construct($obj) {
        $this->cpus    = $obj->cpu;
        $this->created = $obj->created_at;
        $this->memory  = $obj->memory;
    }
}
$object = new PC($object);

否,因为键是对值的引用,而不是值本身。你最好复制原件,然后把它删除。

$obj->created = $obj->created_at;
unset(obj->created_at);

它类似于@deceze适配器,但不需要创建额外的类

$object = (object) array(
  'cpus'    => $obj->cpus,
  'created' => $obj->created_at,
  'memory'  => $obj->memory
);