摘要：<?php define('FOOD_1','面包');$food_2='水';function eat_breakfast($who,$other=''){ echo '早饭开始了<br>'; echo
<?php
define('FOOD_1','面包');
$food_2='水';
function eat_breakfast($who,$other='')
{
echo '早饭开始了<br>';
echo $who.'先吃了'.FOOD_1.'<br>';
global $food_2;
echo $who.'然后喝了'.$food_2.'<br>';
echo $who.'还吃了'.$other.'<br>';
}
eat_breakfast('小明','鸡蛋');
批改老师：韦小宝批改时间：2019-01-04 09:17:17
老师总结：写的很不错！常量和变量在PHP中运用的极为频繁！一定要好好掌握！相关的函数也一定要掌握一二！
