7-3 練習自訂函數

1. 練習在 switch case 判斷式內加入自訂函數：列出所有事項

   <?php
   // 引入檔頭
   require_once 'header.php';
   /************************自訂函數**************************/
   function list_all()
   {
       global $smarty,$content;
       $content[1]['directions'] = "撰寫程式";
       $content[1]['end']        = "2020/06/08";
       $content[2]['directions'] = "開會";
       $content[2]['end']        = "2020/06/10";
       $smarty->assign('content', $content);
   }
   /********************流程判斷*********************/
   // 變數過濾
   $op = isset($_REQUEST['op']) ? filter_var($_REQUEST['op'], FILTER_SANITIZE_SPECIAL_CHARS) : "";
   
   switch ($op) {
       case 'post_form':
           die($op);
           break;
   
       default:
           //列出所有事項
           list_all();
           break;
   }
   
   // 引入頁尾
   require_once 'footer.php';