php - 将PHP对象转换为关联数组(Convert a PHP object to an associative array)

Question

I'm integrating an API to my website which works with data stored in objects while my code is written using arrays.

(我正在将API集成到我的网站，该网站可以使用数组编写代码时处理存储在对象中的数据。)

I'd like a quick-and-dirty function to convert an object to an array.

(我想要一个快捷方式将对象转换为数组的函数。)

  ask by Haroldo translate from so

Answer 1

Just typecast it

(只是打字)

$array = (array) $yourObject;

From Arrays :

(从数组 ：)

If an object is converted to an array, the result is an array whose elements are the object's properties.

(如果将对象转换为数组，则结果是一个数组，其元素是对象的属性。)

The keys are the member variable names, with a few notable exceptions: integer properties are unaccessible;

(键是成员变量名称，但有一些值得注意的例外：整数属性不可访问；)

private variables have the class name prepended to the variable name;

(私有变量的类名在变量名之前；)

protected variables have a '*' prepended to the variable name.

(受保护的变量在变量名前带有“ *”。)

These prepended values have null bytes on either side.

(这些前置值的任一侧都有空字节。)

Example: Simple Object

(示例：简单对象)

$object = new StdClass;
$object->foo = 1;
$object->bar = 2;

var_dump( (array) $object );

Output:

(输出：)

array(2) {
  'foo' => int(1)
  'bar' => int(2)
}

Example: Complex Object

(示例：复杂对象)

class Foo
{
    private $foo;
    protected $bar;
    public $baz;

    public function __construct()
    {
        $this->foo = 1;
        $this->bar = 2;
        $this->baz = new StdClass;
    }
}

var_dump( (array) new Foo );

Output (with \0s edited in for clarity):

(输出（为清晰起见，已编辑\ 0s）：)

array(3) {
  'Foofoo' => int(1)
  '*bar' => int(2)
  'baz' => class stdClass#2 (0) {}
}

Output with var_export instead of var_dump :

(使用var_export而不是var_dump输出：)

array (
  '' . "" . 'Foo' . "" . 'foo' => 1,
  '' . "" . '*' . "" . 'bar' => 2,
  'baz' =>
  stdClass::__set_state(array(
  )),
)

Typecasting this way will not do deep casting of the object graph and you need to apply the null bytes (as explained in the manual quote) to access any non-public attributes.

(以这种方式进行类型转换不会对对象图进行深层转换，您需要应用空字节（如手册引用中所述）以访问任何非公共属性。)

So this works best when casting StdClass objects or objects with only public properties.

(因此，这在投射StdClass对象或仅具有公共属性的对象时效果最佳。)

For quick and dirty (what you asked for) it's fine.

(为了快速又肮脏（您想要的），这很好。)

Also see this in-depth blog post:

(另请参阅此深入的博客文章：)

• Fast PHP Object to Array conversion

  (快速的PHP对象到数组的转换)