PHP甚麼的 
掰噗~
說
不會吧? 
啊...啊...
只好這樣了
<?php
$Year=2017;
$mouth=9;
$day=25;
echo "$Year/$mouth/$day"; ?>
$Year=2017;
$mouth=9;
$day=25;
echo "$Year/$mouth/$day"; ?>
筆記嗎wwwwwwwwww