<?php
/**
 * 原型模式 2010-06-27 sz
 * @author phppan.p#gmail.com  http://www.phppan.com
 * 哥学社成员（http://www.blog-brother.com/）
 * @package design pattern
 */
 
/**
 * 抽象原型角色
 */
interface Prototype {
    public function copy();
}
 
/**
 * 具体原型角色
 */
class ConcretePrototype implements Prototype{
 
    private  $_name;
 
    public function __construct($name) {
        $this->_name = $name;
    }
 
    public function setName($name) {
        $this->_name = $name;
    }
 
    public function getName() {
        return $this->_name;
    }
 
    public function copy() {
       /* 深拷贝实现
        $serialize_obj = serialize($this);  //  序列化
        $clone_obj = unserialize($serialize_obj);   //  反序列化                                                     
        return $clone_obj;
        */
        return clone $this;     //  浅拷贝
    }
}
 
/**
 * 测试深拷贝用的引用类
 */
class Demo {
    public $array;
}
 
class Client {
 
     /**
     * Main program.
     */
    public static function main() {
 
        $demo = new Demo();
        $demo->array = array(1, 2);
        $object1 = new ConcretePrototype($demo);
        $object2 = $object1->copy();
 
        var_dump($object1->getName());
        echo '<br />';
        var_dump($object2->getName());
        echo '<br />';
 
        $demo->array = array(3, 4);
        var_dump($object1->getName());
        echo '<br />';
        var_dump($object2->getName());
        echo '<br />';
 
    }
 
}
 
Client::main();
?>

 
<?php
/**
 * 门面模式 2010-06-12 sz
 * 《Java与模式》上门面模式示例的PHP版本
 * @author phppan.p#gmail.com  http://www.phppan.com
 * 哥学社成员（http://www.blog-brother.com/）
 * @package design pattern
 */
 
class Camera {
 
    /**
     * 打开录像机
     */
    public function turnOn() {
        echo 'Turning on the camera.<br />';
    }
 
    /**
     * 关闭录像机
     */
    public function turnOff() {
        echo 'Turning off the camera.<br />';
    }
 
    /**
     * 转到录像机
     * @param <type> $degrees
     */
    public function rotate($degrees) {
        echo 'rotating the camera by ', $degrees, ' degrees.<br />';
    }
}
 
class Light {
 
    /**
     * 开灯
     */
    public function turnOn() {
        echo 'Turning on the light.<br />';
    }
 
    /**
     * 关灯
     */
    public function turnOff() {
        echo 'Turning off the light.<br />';
    }
 
    /**
     * 换灯泡
     */
    public function changeBulb() {
        echo 'changing the light-bulb.<br />';
    }
}
 
class Sensor {
 
    /**
     * 启动感应器
     */
    public function activate() {
        echo 'Activating the sensor.<br />';
    }
 
    /**
     * 关闭感应器
     */
    public function deactivate() {
        echo 'Deactivating the sensor.<br />';
    }
 
    /**
     * 触发感应器
     */
    public function trigger() {
        echo 'The sensor has been trigged.<br />';
    }
}
 
class Alarm {
 
    /**
     * 启动警报器
     */
    public function activate() {
        echo 'Activating the alarm.<br />';
    }
 
    /**
     * 关闭警报器
     */
    public function deactivate() {
        echo 'Deactivating the alarm.<br />';
    }
 
    /**
     * 拉响警报器
     */
    public function ring() {
        echo 'Ring the alarm.<br />';
    }
 
    /**
     * 停掉警报器
     */
    public function stopRing() {
        echo 'Stop the alarm.<br />';
    }
}
 
/**
 * 门面类
 */
class SecurityFacade {
 
    /* 录像机 */
    private $_camera1, $_camera2;
 
    /* 灯 */
    private $_light1, $_light2, $_light3;
 
    /* 感应器 */
    private $_sensor;
 
    /* 警报器 */
    private $_alarm;
 
    public function __construct() {
        $this->_camera1 = new Camera();
        $this->_camera2 = new Camera();
 
        $this->_light1 = new Light();
        $this->_light2 = new Light();
        $this->_light3 = new Light();
 
        $this->_sensor = new Sensor();
        $this->_alarm = new Alarm();
    }
 
    public function activate() {
        $this->_camera1->turnOn();
        $this->_camera2->turnOn();
 
        $this->_light1->turnOn();
        $this->_light2->turnOn();
        $this->_light3->turnOn();
 
        $this->_sensor->activate();
        $this->_alarm->activate();
    }
 
    public  function deactivate() {
        $this->_camera1->turnOff();
        $this->_camera2->turnOff();
 
        $this->_light1->turnOff();
        $this->_light2->turnOff();
        $this->_light3->turnOff();
 
        $this->_sensor->deactivate();
        $this->_alarm->deactivate();
    }
}
 
 
/**
 * 客户端
 */
class Client {
 
    private static $_security;
     /**
     * Main program.
     */
    public static function main() {
        self::$_security = new SecurityFacade();
        self::$_security->activate();
    }
}
 
Client::main();
?>

<?php
/**
 * 单例模式 2010-06-06 sz
 * @author phppan.p#gmail.com  http://www.phppan.com
 * 哥学社成员（http://www.blog-brother.com/）
 * @package design pattern
 */
 
/**
 * 懒汉式单例类
 */
class Singleton {
 
    /**
     * 静态成品变量 保存全局实例
     */
    private static  $_instance = NULL;
 
    /**
     * 私有化默认构造方法，保证外界无法直接实例化
     */
    private function __construct() {
    }
 
    /**
     * 静态工厂方法，返还此类的唯一实例
     */
    public static function getInstance() {
        if (is_null(self::$_instance)) {
            self::$_instance = new Singleton();
        }
 
        return self::$_instance;
    }
 
    /**
     * 防止用户克隆实例
     */
    public function __clone(){
        die('Clone is not allowed.' . E_USER_ERROR);
    }
 
    /**
     * 测试用方法
     */
    public function test() {
        echo 'Singleton Test!';
    }
 
}
 
/**
 * 客户端
 */
class Client {
 
     /**
     * Main program.
     */
    public static function main() {
        $instance = Singleton::getInstance();
        $instance->test();
    }
}
 
Client::main();
?>