板子博客

  /**
   * 根据是否已经经过审核检查所有已经加入该活动的用户
   * 如果要取得所有已经审核过的用户，则传递第2个参数为1，
   * 要取得所有，则不需传递第2个参数
   *
   * @param int $cid
   * @param bool $status
   * @return mfDatabaseResultSet
   */
  static public function getJoinedUserByStatus($cid,$status)
  {
    $cid = intval($cid);
    if($status == 'all')
    {
      if($status == 'a') echo 1;echo $status;
      $sql = 'SELECT * FROM `user` WHERE `uid` IN (SELECT uid FROM `campaign_user` WHERE `cpid` = :cid ) ' ;    
      return self::queryForObjects($sql,array(':cid' =>$cid),'model_user');
    }
    else
    {
      $status = intval($status);
      $sql = 'SELECT * FROM `user` WHERE `uid` IN (SELECT uid FROM `campaign_user` WHERE `cpid` = :cid AND `status` = :status) ' ;    
      return self::queryForObjects($sql,array(':cid' =>$cid,':status'=>$status),'model_user');
    }
  }

<?php
var_dump(0 == "a"); // 0 == 0 -> true
var_dump("1" == "01"); // 1 == 1 -> true

switch ("a") {
case 0:
    echo "0";
    break;
case "a": // never reached because "a" is already matched with 0
    echo "a";
    break;
}
?>