PHP笔记之:基于面向对象设计的详解

<?php

     class test{
         public  $name='janking',
                 $sex='male',
                 $age=23;

         function __construct(){
             echo $this->age.'<br />'.$this->name.'<br />'.$this->sex.'<br />';
         }

          function func(){
             echo $this->age.'<br />'.$this->name.'<br />'.$this->sex.'<br />';
         }
     }

 
 $p=new test();
 echo '<br /><br />';
 $p->age=100;
 $p->name="rainy";
 $p->sex="female";
 $p->func();
 ?>
public

<?php

     class test{
         private  $name='janking',
                 $sex='male',
                 $age=23;

         function __construct(){
             $this->funcone();
         }

          function func(){
             echo $this->age.'<br />'.$this->name.'<br />'.$this->sex.'<br />';
         }

         private function funcone(){
             echo $this->age.'<br />'.$this->name.'<br />'.$this->sex.'<br />';
         }
     }

 
 $p=new test();
 echo '<br /><br />';
 $p->func();
 $p->age=100;        // cannot access private property test::$age
 $p->name="rainy";   // cannot access private property test::$name
 $p->sex="female";   // cannot access private property test::$female
 $p->funcone();      // call to private method test::funcone() from context ''
 ?>
private