我建立这些类:继承在PHP
class Anonym
{
public $ToSelect;
public $ToUpdate;
public $ToInsert;
public $ToDelete;
public $limit;
public $order_by;
public $filter;
public function is_banned($ipAddress)
{
$query="SELECT * FROM anonym WHERE ip='$ipAddress'";
}
public function insert_ip()
{
$serverAddress=$_SERVER['REMOTE_ADDR'];
$query="INSERT INTO anonym (ip,banned)
VALUES('$serverAddress',0)";
}
public function update_ban($update_ban)
{
$serverAddress=$_SERVER['REMOTE_ADDR'];
$query="UPDATE anonym SET ban=$update_ban WHERE ip='$serverAddress'";
}
}
class User extends Anonym
{
public function get_user_id()
{
$select="SELECT ".$ToSelect." FROM users ".$filter.$order_by.$limit;
}
public function insert_user()
{
$select="INSERT INTO users (name, password,roles) VALUES (".$ToInsert.")";
}
public function get_user_name()
{
$select="SELECT ".$ToSelect." FROM users ".$filter.$order_by.$limit;
}
public function get_user_role()
{
$select="SELECT ".$ToSelect." FROM users ".$filter.$order_by.$limit;
}
}
的化名用户通过登录的用户继承。我不确定的是如何继承这些属性,这是否是正确的方式?或者我需要添加$ this->,以便重写将会发生。
此外,方法重写是简单的PHP?!?
所以,如果我这样做:
$user=new User();
$user->insert_ip(); // will the overriding be successful or do I need to use some special syntax?
类继承 –