<?php //类常量的定义与访问 class Stu { private static $count = 45; public static function grade() { $str = __FILE__.‘<br>‘; $str .= __FUNCTION__.‘<br>‘; $str .= Stu::$count; echo $str; } } Stu::grade();
php类与对象 static静态方法和静态属性
原文：https://www.cnblogs.com/xm666/p/11254085.html
