PHP博客,PHP编程

 <?php
/**
 * @name :PHP反射API--利用反射技术实现的插件系统架构
 * @author :PHPCQ.COM
 */
interface Iplugin{
        public static function getName();
}
function findPlugins(){
        $plugins = array();
        foreach (get_declared_classes() as $class){
                $reflectionClass = new ReflectionClass($class);
                if ($reflectionClass->implementsInterface('Iplugin')) {
                        $plugins[] = $reflectionClass;
                }
        }
        return $plugins;
}
function computeMenu(){
        $menu = array();
        foreach (findPlugins() as $plugin){
                if ($plugin->hasMethod('getMenuItems')) {
                        $reflectionMethod = $plugin->getMethod('getMenuItems');
                        if ($reflectionMethod->isStatic()) {
                                $items = $reflectionMethod->invoke(null);
                        } else {
                                $pluginInstance = $plugin->newInstance();
                                $items = $reflectionMethod->invoke($pluginInstance);
                        }
                        $menu = array_merge($menu,$items);
                }
        }
        return $menu;
}
function computeArticles(){
        $articles = array();
        foreach (findPlugins() as $plugin){
                if ($plugin->hasMethod('getArticles')) {
                        $reflectionMethod = $plugin->getMethod('getArticles');
                        if ($reflectionMethod->isStatic()) {
                                $items = $reflectionMethod->invoke(null);
                        } else {
                                $pluginInstance = $plugin->newInstance();
                                $items = $reflectionMethod->invoke($pluginInstance);
                        }
                        $articles = array_merge($articles,$items);
                }
        }
        return $articles;
}
require_once('plugin.php');
$menu = computeMenu();
$articles  = computeArticles();
print_r($menu);
print_r($articles);


//plugin.php 代码如下
<?php
class MycoolPugin implements Iplugin {
        public static function getName(){
                return 'MycoolPlugin';
        }
        public static function getMenuItems(){
                return array(array('description'=>'MycoolPlugin','link'=>'/MyCoolPlugin'));
        }
        public static function getArticles(){
                return array(array('path'=>'/MycoolPlugin','title'=>'This is a really cool article','text'=>xxxxxxxxx));
        }
}