PHPの悪魔のトレーニング

<?php echo &#39;<?php&#39; ?>  
/**
* project name: <?php echo $prj_name ?>  //大家想想， 它能运行吗?
*User: <?php echo $prj_author ?>    //能运行吗?
*Date: <?php echo date(&#39;Y-m-d&#39;)?>  //能吗?
*/

    echo "hello shenyi";
?>

<?php
namespace core\frame;

class god_frame
{
    public  $project_folder = &#39;&#39;;       //项目文件夹
    public  $project_main = &#39;&#39;;         //入口文件
    function __construct($prjName){      //构造函数
       $this->project_folder = getcwd()."/".$prjName;
       $this->project_main = $this ->  project_folder."/index.php";
    }
    function run(){

        //判断并生成新的文件夹,没有就创建
        !file_exists($this->project_folder) && mkdir($this->project_folder);
　　　　　//获取外部成员变量并把该函数获取的数组返回成变量列表　
        extract(get_object_vars($this));
        开启PHP的内部缓冲区（内存）
        ob_start();
        //引入模板路径
        include (dirname(__FILE__).&#39;/template/index.tpl&#39;);
        //获取缓冲区的内容,并赋给$cnt
        $cnt =ob_get_contents();
        //清理缓冲区内容
        ob_end_clean();

        //在该文件夹下生成一个index.php文件,没有就创建并覆盖
        file_put_contents($this->project_main,"$cnt");
    }   
}
?>

static function start(){
        $get_config = loadConfig();
        $gf = new god_frame($get_config->prj_name);
        $gf -> prj_name = $get_config->prj_name;
        $gf -> prj_author = $get_config->prj_author;
        $gf -> run();
    }