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<?
class User
{ // User½Ó¿Ú
public function getName() {
}
}
class NormalUser extends User
{ // ¼Ì³Ð×ÔUserÀà
private $name;
public function getName() {
return $this->name;
}
public function setName($_name) {
$this->name = $_name;
}
}
class UserAdmin
{ //²Ù×÷
public static function ChangeUserName(User $_user, $_userName) {
$_user->setName($_userName);
}
}
$normalUser = new NormalUser();
UserAdmin::ChangeUserName($normalUser,"Tom"); //ÕâÀï´«ÈëµÄÊÇ NormalUserµÄʵÀý
echo $normalUser->getName();
?>
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<?php
interface User
{
public function getName();
public function setName($_name);
public function getDiscount();
}
abstract class AbstractUser implements User
{
private $name = "";
protected $discount = 0;
protected $grade = "";
function __construct($_name) {
$this->setName($_name);
}
function getName() {
return $this->name;
}
function setName($_name) {
$this->name = $_name;
}
function getDiscount() {
return $this->discount;
}
function getGrade


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http://www.cnblogs.com/mustardpeanut/archive/2009/06/15/1503395.html
http://blog.csdn.net/letianok/archive/2009/02/27/3941731.aspx
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class employee
{
protected $sal = 3000;
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interface User
{
 function getName();
 function setName($_name);
}
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