​x
 
<!DOCTYPE html>
<html>
<body>
​
<pre>
<?php
class Car {
  public $color;
  public $model;
  public function __construct($color, $model) {
    $this->color = $color;
    $this->model = $model;
  }
  public function message() {
    return "我的车是一辆 " . $this->color . " " . $this->model . "！";
  }
}
​
$myCar = new Car("red", "Volvo");
​
$myCar = (array) $myCar;
var_dump($myCar);?> 
</pre>
​
<p>对象转换为关联数组时，属性名变为键，属性值变为值。</p>
​
</body>
</html>