復(fù)制代碼 代碼如下:

<?php
class Foo{
const con_var="常量屬性的值不能被修改<br />";
public function method_a(){
echo (self::con_var);
}
}
echo(Foo::con_var);
$myFoo=new Foo();
echo ($myFoo->method_a());
?>