{
protected $username = '******';
protected function fun1()
{
echo 'ABC<br/><br/>';
}
}
class Son extends Father
{
function fun2()
{
echo $this->username, '<br/>';
$this->fun1();
}
}
$s = new Son();
$s->fun2();
//////////////////////////////////////////////
class Ftest
{
private $username = '******';
private function fun1()
{
echo '1234<br/><br/>';
}
public function fun2()
{
echo $this->username, '<br/>';
$this->fun1();
}
}
public function run()
{
echo 'I run fast';
}
private function drive()
{
echo 'I drive a car';
}
}
class Son extends Dad
{
public function goToSchool()
{
echo 'I go to school';
}
public function whatIsMyName()
{
echo $this->name;
}
}
$son = new Son('Nick', 'Long');
$son->run(); //will output I run fast
$son->goToSchool(); //will output I go to school
$son->drive(); //produces an error
$son->whatIsMyName(); //will ouput Nick
<?php
$object = new Son();
$object->test();
$object->test2();
class Dad
{
function test()
{
echo "[Class Dad] I am your Father<br>";
}
}
class Son extends Dad
{
function test()
{
echo "[Class Son] I am Luke<br>";
}
function test2()
{
parent::test();
}
}
<?php
class GrandFather
{
public function gfAge()
{
return ' age is 80';
}
}
class Father extends GrandFather
{
public function fAge()
{
return ' age is 50';
}
}
class Son extends Father
{
public function sAge()
{
return 'age is 20';
}
public function myHistory()
{
echo "my grand father " . parent::gfAge();
echo "my father " . $this->fAge();
echo "my " . $this->sAge();
}
}
$son = new Son();
$son->myHistory();
<?php
class Father
{
function hello()
{
echo '<br> Hello I\'m your father';
}
}
class Son extends Father
{
function hello()
{
parent::hello();
echo '<br> Hi I\'m maulik';
}
}
$maulik = new Son();
$maulik->hello();
if (__CLASS__ === $_CLASS) {
$this->do_pay();
} else {
echo 'No permission to do-pay!', PHP_EOL, '<hr>';
}
return;
}
private function do_check()
{
echo 'Checking money,please waiting!', PHP_EOL, '<hr>';
return;
}
private function do_pay()
{
echo 'Pay success!', PHP_EOL, '<hr>';
return;
}
}
class Son extends Base
{
}
$base = new Base();
$son = new Son();
$base->pay_money();
$son->pay_money();
# [Outputs like this]
# 以上例程输出：@2015/06/23 周二
// Checking money,please waiting!
// Pay success!
// Checking money,please waiting!
// No permission to do-pay!
header('content-type:text/html;charset=utf-8');
class Father
{
function fun1()
{
//echo __METHOD__ , '<br/><br/>';
//形式Father::fun1
echo '我是父类的fun1()方法<br/><br/>';
}
}
class Son extends Father
{
function fun1()
{
//调用爸爸的fun1()方法
parent::fun1();
echo '<span style="color:red">我是子类的fun1()方法</span><br/><br/>';
echo '还可以<br/><br/>';
Father::fun1();
}
function fun2()
{
parent::fun1();
echo '1111111我是子类的fun2()方法<br/><br/>';
Father::fun1();
$this->fun1();
//调用自身类的fun1()方法
}
}
$s = new Son();
$s->fun3();
{
public $username = '******';
protected $age = 24;
private $sex = TRUE;
protected function fun1()
{
//public protected private;
echo '我是父类的fun()1', '<br /><br />';
}
}
class Son extends Father
{
function fun1()
{
echo $this->username, '<br /><br />';
parent::fun1();
//当父类方法被覆盖后，要想调用父类的方法，可以用parent::方法名或Farther::方法名调用；
echo '我是子类的fun()1', '<br /><br />';
Father::fun1();
}
private function fun2()
{
echo '我是子类fun2()方法';
}
}
//创建对象
$t = new Son();
//当子类的方法名与父类重复时，会产生覆盖，将父类的方法名覆盖，而调用自己的方法;
//访问类的属性（访问控制符）此外，属性时允许动态添加
$t->username;
$t->fun1();
