php面向对象:调用重写的方法
php面向对象:调用重写的方法 [代码片段(29行)]
<html> <head> <title>Calling an Overridden Method</title> </head> <body> <?php class FirstClass{ var $name = 'Joe'; function FirstClass( $n ) { $this->name = $n; } function sayHello() { print 'my name is $this->name<br>'; } } class second_class extends FirstClass { function sayHello() { print 'calling method from parent class -- '; FirstClass::sayHello(); } } $test = new second_class('sub class'); $test->sayHello(); ?> </body> </html>
精彩图集
精彩文章