~~~ <?php echo '<pre>'; //定義一個測試反射的類 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')); */ /* //反射創建所有的PHP類的導出結果,get_declared_classes可以獲取所有已聲明的類 foreach(get_declared_classes() as $class) { Reflection::export(new ReflectionClass($class)); } */ /* //只反射用戶自己定義的類 foreach(get_declared_classes() as $class) { $reflectionClass = new ReflectionClass($class); if($reflectionClass->isUserDefined()) { Reflection::export($reflectionClass); } } */ /********************************使用反射查找插件********************************/ //定義一個接口 interface IPlugin { public static function getName(); } //查到所有實現了IPlugin接口的類 function findPlugins() { $plugins = array(); foreach(get_declared_classes() as $class) { $reflectionClass = new ReflectionClass($class); if($reflectionClass->implementsInterface('IPlugin')) { $plugins[] = $reflectionClass; } } return $plugins; } //確定用于菜單的類的成員 function computeMenu() { $menu = array(); foreach(findPlugins() as $plugins) { $reflectionMethod = $plugins->getMethod('getMenuItems'); if($reflectionMethod->isStatic()) { $items = $reflectionMethod->invoke(null); } else { //如果這個方法不是靜態的，我們需要一個實例 $pluginsInstance = $plugins->newInstance(); $items = $reflectionMethod->invoke($pluginsInstance); } $menu = array_merge($menu,$items); } return $menu; } //確定用于文章的側邊欄的類的成員 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; } //確定側邊欄的的類的成員 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; } //創建一個實現了Iplugin接口的類 class MyCoolPlugin implements IPlugin { public static function getName() { return 'MyCoolPlugin'; } public static function getMenuItems() { //菜單項的數字索引數組 return array(array( 'description' => 'MyCoolPlugin', 'link' => '/MyCoolPlugin' )); } public static function getArticles() { //文章的數字索引數組 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>'; ?> ~~~