<?php
/**
 * parent　只能調(diào)用父類(lèi)中的公有或受保護(hù)的辦法,不能調(diào)用父類(lèi)中的屬性
 * self 　可以調(diào)用父類(lèi)中除私有類(lèi)型的辦法和屬性外的所有數(shù)據(jù)
 */
class User{
 public $name;
 private $passwd;
 protected $email; 
 public function __construct(){
  //print __CLASS__." ";
  $this->name= 'simple';
  $this->passwd='123456';
  $this->email = 'bjbs_270@163.com';
 } 
 public function show(){
  print "good ";
 } 
 public function inUserClassPublic() {
  print __CLASS__.'::'.__FUNCTION__." ";
 } 
 protected function inUserClassProtected(){
  print __CLASS__.'::'.__FUNCTION__." ";
 } 
 private function inUserClassPrivate(){
  print __CLASS__.'::'.__FUNCTION__." ";
 }
}
class simpleUser extends User { 
 public function __construct(){  
  //print __CLASS__." ";
  parent::__construct();
 }
 
 public function show(){
  print $this->name."http://public ";  
  print $this->passwd."http://private ";
  print $this->email."http://protected ";
 }
 
 public function inSimpleUserClassPublic() {
  print __CLASS__.'::'.__FUNCTION__." ";
 }
 
 protected function inSimpleUserClassProtected(){
  print __CLASS__.'::'.__FUNCTION__." ";
 }
 
 private function inSimpleUserClassPrivate() {
  print __CLASS__.'::'.__FUNCTION__." ";
 }
}
class adminUser extends simpleUser {
 protected $admin_user;
 public function __construct(){
  //print __CLASS__." ";
  parent::__construct();
 }
 
 public function inAdminUserClassPublic(){
  print __CLASS__.'::'.__FUNCTION__." ";
 }
 
 protected function inAdminUserClassProtected(){
  print __CLASS__.'::'.__FUNCTION__." ";
 }
 
 private function inAdminUserClassPrivate(){
  print __CLASS__.'::'.__FUNCTION__." ";
 }
}
class administrator extends adminUser {
 public function __construct(){  
  parent::__construct();
 }
}
/**
 * 在類(lèi)的實(shí)例中 只有公有屬性和辦法才可以通過(guò)實(shí)例化來(lái)調(diào)用
 */
$s = new administrator();
print '-------------------';
$s->show();
?>