<?php

/* 
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
//變數
$a=10;
$b=5;
echo $a+$b;


//常量
const THE_ZHH=100;
const TTTT=50;
const  EEE=20;

echo EEE;
echo '<br/>';
echo TTTT;
echo '<br/>';
echo THE_ZHH;

//常量
define("THE_VALUE", 200);
echo '<br/>';
echo THE_VALUE;