Как преобразовать объект в массив в php?

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$object = new stdClass;
$object->foo = 'bar';
$object->baz = 'qux';

$array = get_object_vars($object);

print_r($array);

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Array
(
    [foo] => bar
    [baz] => qux
)

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class MyClass {
  public $foo = 'bar';
  protected $baz = 'qux';
  private $quux = 'corge';
}

$object = new MyClass;

$array = get_class_vars('MyClass');

print_r($array);

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Array
(
    [foo] => bar
    [baz] => qux
    [quux] => corge
)

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$object = new stdClass();
$object->name = 'John';
$object->age = 25;

$array = get_object_vars($object);

print_r($array);

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Array
(
    [name] => John
    [age] => 25
)

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$object = new stdClass();
$object->name = 'John';
$object->age = 25;

$array = json_decode(json_encode($object), true);

print_r($array);

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Array
(
    [name] => John
    [age] => 25
)

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function objectToArray($object) {
    if (is_object($object)) {
        $object = get_object_vars($object);
    }
    
    if (is_array($object)) {
        return array_map(__FUNCTION__, $object);
    }
    else {
        return $object;
    }
}

$object = new stdClass();
$object->name = 'John';
$object->age = 25;

$array = objectToArray($object);

print_r($array);

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Array
(
    [name] => John
    [age] => 25
)