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>
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