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本文实例讲述了php利用反射实现插件机制的方法。分享给大家供大家参考。具体实现方法如下：

代码如下:

<?php

/**

* @name PHP反射API--利用反射技术实现的插件系统架构

*/

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;

}

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' ));

}

}

$menu = computeMenu();

$articles = computeArticles();

print_r($menu);

print_r($articles);

希望本文所述对大家的php程序设计有所帮助。

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