php OOP类的用法

php类的用法 今天我们就php class用基本用法来讲述一下,首先要你明白什么是类:类的定义如下:

具有独特性,具有灵活性,具有通用性,重要性,这是等的定义了,更详细的内容各位到www.111com.net查看就是了,好了为了让大家能更清楚的了解什么是OOP我们就来例子.

Class user{
  var $u_uid;  //username id english  
  var $u_mbname; // use temptlete
  var $u_css; //document  stylewww.111com.net
  var $u_documentbg; // full document background
  var $u_csstop; // doucument top background
  var $u_cssbottom; // bottom background
  var $u_realname; // username realname Chinse
  var $u_id; // tablename id replace tag;
  var $u_edu;
  var $u_work;
  var $u_head;www.111com.net
  var $u_sitename;
  var $u_visited;
  var $u_blog;  
  var $host;  

   function userinfo($id){
   $id =$this->safe_function($id);
   if(empty($id) || !is_numeric($id)){exit("");}   
   $sql  = "select * from uidname where u_id='$id'";
   $result  = mysql_query($sql) or die("Error system busy.....plase wait!");
   if(mysql_num_rows($result)){
    $rs  = mysql_fetch_object($result);
    $this->u_id   = $rs->id;www.111com.net
    $this->u_uid  = $rs->username;
    $this->u_realname = $rs->realname;
    $this->u_documentbg = $rs->documentbg;
    $this->u_csstop  = $rs->csstop;
    $this->u_cssbottom = $rs->cssbottom;
    $this->u_mbname  = $rs->mbname;
    $this->u_edu  = $rs->edu;
    $this->u_work  = $rs->works;
    $this->u_sitename = $rs->sitename;
    $this->u_visited = $rs->visited;
    $this->u_blog  = $rs->u_id;
   }else{
    header("location:blog/error.php");exit;
   }   
  }

}

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