~~~ <?php echo '<pre>'; //定义一个测试反射的类 class CQH { public $name = 'cqh'; private $country= 'china'; const gender = 'man'; public function say() { echo 'hello,world'; } private function eat() { echo 'eat'; } public static function drink() { echo 'drink'; } } /* //打印所有的反射接口 Reflection::export(new ReflectionExtension('reflection')); */ /* //反射创建所有的PHP类的导出结果,get_declared_classes可以获取所有已声明的类 foreach(get_declared_classes() as $class) { Reflection::export(new ReflectionClass($class)); } */ /* //只反射用户自己定义的类 foreach(get_declared_classes() as $class) { $reflectionClass = new ReflectionClass($class); if($reflectionClass->isUserDefined()) { Reflection::export($reflectionClass); } } */ /********************************使用反射查找插件********************************/ //定义一个接口 interface IPlugin { public static function getName(); } //查到所有实现了IPlugin接口的类 function findPlugins() { $plugins = array(); foreach(get_declared_classes() as $class) { $reflectionClass = new ReflectionClass($class); if($reflectionClass->implementsInterface('IPlugin')) { $plugins[] = $reflectionClass; } } return $plugins; } //确定用于菜单的类的成员 function computeMenu() { $menu = array(); foreach(findPlugins() as $plugins) { $reflectionMethod = $plugins->getMethod('getMenuItems'); if($reflectionMethod->isStatic()) { $items = $reflectionMethod->invoke(null); } else { //如果这个方法不是静态的，我们需要一个实例 $pluginsInstance = $plugins->newInstance(); $items = $reflectionMethod->invoke($pluginsInstance); } $menu = array_merge($menu,$items); } return $menu; } //确定用于文章的侧边栏的类的成员 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; } //确定侧边栏的的类的成员 function computeSidebars() { $sidebars = array(); foreach(findPlugins() as $plugin) { if($plugin->hasMethod('getSidebars')) { $reflectionMethod = $plugin->getMethod('getSidebars'); if($reflectionMethod->isStatic()) { $items = $reflectionMethod->invoke(null); } else { $pluginInstance = $plugin->newInstance(); $items = $reflectionMethod->invoke($pluginInstance); } $sidebars = array_merge($sidebars,$items); } } return $sidebars; } //创建一个实现了Iplugin接口的类 class MyCoolPlugin implements IPlugin { public static function getName() { return 'MyCoolPlugin'; } public static function getMenuItems() { //菜单项的数字索引数组 return array(array( 'description' => 'MyCoolPlugin', 'link' => '/MyCoolPlugin' )); } public static function getArticles() { //文章的数字索引数组 return array(array( 'path' => './MyCoolPlugin', 'title' => 'This is a really cool article', 'text' => 'This article is cool because...' )); } } $menu = computeMenu(); $sidebars = computeSidebars(); $articles = computeArticles(); print_r($menu); print_r($sidebars); print_r($articles); echo '</pre>'; ?> ~~~