<?php
class MyObject
{
}
class MyFactory
{
public static function factory()
{
return new MyObject();
}
}
$instance = MyFactory::factory();
public function __construct()
{
}
public function test()
{
echo "Test is YexuanGuo";
}
}
class MyFactory
{
public static function factory()
{
return new MyObject();
}
}
$myobj = MyFactory::factory();
$myobj->test();
//观察者模式
class Subject implements SplSubject
{
private $observers = array();
//初始化变量为空数组,用于存放观察者对象.
public function attach(SplObserver $observer)
{
if (!in_array($observer, $this->observers)) {
$this->observers[] = $observer;
}
}
public function detach(SplObserver $observer)
{
if (flase != ($index = array_search($observer, $this->observers))) {