BUUCTF CODE REVIEWS

    <?php
    /** * Created by PhpStorm.
     * User: jinzhao
     * Date: 2019/10/6
     * Time: 8:04 PM
     */
    
    highlight_file(__FILE__);
    
    class BUU {
       public $correct = "";
       public $input = "";
    
       public function __destruct() {
       try {
           $this->correct = base64_encode(uniqid());
           if($this->correct === $this->input) {
               echo file_get_contents("/flag");
           }
       } catch (Exception $e) {
       }
       }
    }
    
    if($_GET['pleaseget'] === '1') {
    if($_POST['pleasepost'] === '2')