外掛第一步

/*
Plugin Name: LION_db2
Plugin URI: http://blog.lionlionn.com
Version: v1.00
Author: lion.wang
Description: LION test db2.
*/

//先檢查這名字的類別是否已存在
if(!class_exists("LIONDb2")){
 //類別 
 class LIONDb2{
     var $adminOptionsName = "LIONDb2AdminOptions";
  //建構值
  function LIONDb2(){
   //echo "DevleLion start
";
  }
  
  //page 產生頁面做的事情
  function init() {
   echo "init";
  }
  
 }// end class
}//end if


//
if(class_exists("LIONDb2")){
   $lion_db = new LIONDb2(); 

}

//Initialize the admin panel
if (!function_exists("LIONDb2_ap")) {
 function LIONDb2_ap() {
  global $lion_db;
  if (!isset($lion_db)) {
   return;
  }
  
  if (function_exists('add_options_page')) {
   add_options_page('LION db2', 'LION db2', 9, basename(__FILE__), array(&$lion_db, 'init'));
  }
 } 
}


if(isset($lion_db)){
   //action
   add_action('admin_menu', 'LIONDb2_ap');
}

以上