几段有趣的代码

1.

Registry是一个全局注册表

//base.php

static function instance() {

          if (!Registry::exists($class=get_called_class())) {
               $ref=new Reflectionclass($class);
               $args=func_get_args();
               Registry::set($class,
                    $args?$ref->newinstanceargs($args):new $class);
          }
          return Registry::get($class);
     }

 

2.

  class AlipayPlugin extends AbstractBasePlugin
    {

//代码省略....

}

 

// 全局命名空间代码，我们在这里生成一个插件的实例返回给加载程序

namespace { 
    // 返回 plugin instance
    return Plugin\Payment\Alipay\AlipayPlugin::instance();
}

3.

class ThemeHelper extends PluginHelper
{

 public static function doActiveThemeAction($system)
    {
        static::doActivePluginAction($system);
    }

}