php – Zend Framework快速入门模型构造函数

使用ZF快速入门create model,作为本主题的基础.我想准确理解__construct和setoptions()方法应该在这个上下文中做什么.
无论我敲了多少次,我都不知道这两种方法在做什么.

 public function __construct(array $options = null)
    {
        //if it is an array of options the call setoptions and apply those options
        //so what? What Options
        if (is_array($options)) {
            $this->setoptions($options);
        }
    }

 public function setoptions(array $options)
    {
       //I can see this starts by getting all the class methods and return array()
        $methods = get_class_methods($this);
       //loop through the options and assign them to $method as setters?
        foreach ($options as $key => $value) {
            $method = 'set' . ucfirst($key);
            if (in_array($method, $methods)) {
                $this->$method($value);
            }
        }
        return $this;
    }

我真的迷失在setoptons()上,我无法弄清楚它想要完成什么.我理解这是抽象一些行为,我只是无法理解什么.
据我所知,这就是’所以！’.我想理解它,因为它可能证明是重要的.

解决方法:

如果将$options作为数组传递

 { ["name"] => "RockyFord" }

然后setoptions方法将调用

setName("RockyFord");

如果此类中存在setName方法.

    foreach ($options as $key => $value) { // Loops through all options with Key,Value
        $method = 'set' . ucfirst($key); // $method becomes 'setName' if key is 'name'
        if (in_array($method, $methods)) { // Check if this method (setName) exists in this class
            $this->$method($value); // Calls the method with the argument
        }
    }