nameornot.php

<?php

/**
 * @see http://qafoo.com/blog/016_struct_classes_in_php.html
 */
abstract class Struct
{

    /**
     * Is run when reading data from inaccessible properties
     * @link http://www.php.net/manual/en/language.oop5.overloading.php#object.get
     *      Overloading __get()
     * @param mixed $property
     * @throws RuntimeException
     */
    public function __get($property)
    {
        
        throw new RuntimeException('Trying to get non-existing property ' . $property);
    }

    /**
     * Is run when writing data to inaccessible properties.
     * @param string $property
     * @param mixed $value
     * @link http://www.php.net/manual/en/language.oop5.overloading.php#object.set
     *          Overloading __set()
     * @throws RuntimeException
     */
    public function __set($property, $value)
    {
        throw new RuntimeException('Trying to set non-existing property ' . $property);
    }

    /**
     * Once the cloning is complete, the newly created object's __clone() method
     * will be called, to allow any necessary properties that need to be changed.
     * @link http://www.php.net/manual/en/language.oop5.cloning.php#object.clone
     *      Magic methods:: __clone()
     */
    public function __clone()
    {
        foreach ($this as $property => $value) :
            if (is_object($value)) :
                $this->$property = clone $value;
            endif;
        endforeach;
    }

    /**
     * This static method is called for classes exported by var_export()
     * @link http://www.php.net/manual/en/language.oop5.magic.php#object.set-state
     *      Magic methods::__set_state()
     * @param array $properties array containing exported properties in
     *      the form array('property' => value, ...).
     * @return \Struct
     */
    public static function __set_state(array $properties)
    {
        $struct = new static();

        foreach ($properties as $property => $value) :
            $struct->$property = $value;
        endforeach;

        return $struct;
    }

}

class TweetUserStruct extends Struct
{
    /**
     * @var integer
     */
    public $user_id;

    /**
     * @var string
     */
    public $screen_name;

    /**
     * @var integer
     */
    public $cursor;

    /**
     * @var boolean
     */
    public $skip_status;

    /**
     * @var boolean
     */
    public $include_user_entities;

    /**
     * @param integer $user_id
     * @param string $screen_name
     * @param integer $cursor
     * @param bool $skip_status
     * @param bool $include_user_entities
     */
    public function __construct($user_id = null, $screen_name = null,
        $cursor = -1, $skip_status = false, $include_user_entities = false)
    {
        $this->user_id = $user_id;
        $this->screen_name = $screen_name;
        $this->cursor = $cursor;
        $this->skip_status = $skip_status;
        $this->include_user_entities = $include_user_entities;
    }
}

class SampleTweetUserApi 
{
    /**
     * @param TweetUserStruct $tweetUser
     */
    public function getFriends(TweetUserStruct $tweetUser) 
    {
    // do whatever needed
    }    
}

$tweetUser = new TweetUserStruct();
$api = new SampleTweetUserApi();

$tweetUser->screen_name = 'phpdrama';
$tweetUser->include_user_entities = true;

$api->getFriends($tweetUser);