<?php
 //a_inc.php
 $who = '张三';
 $fruit = '苹果';
 function testFun2()
 {
  echo "<br>test function2!<hr>";
 }
 ?>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html>
  <head>
   <title> b_inc.php </title>
   <meta charset="UTF-8">
   <meta name="Author" content="">
   <meta name="Keywords" content="">
   <meta name="Description" content="">
  </head> <body>
<?php
 echo "$who 喜欢吃 $fruit"; // 输出喜欢吃，此时没有包含
 echo "<br>";
 testFun();
 //testFun2();//Fatal error: Call to undefined function testFun2() in D:\LearnWebDevelop\php\MyPhpExse\b_inc.php on line 17
 include 'a_inc.php';
 echo "$who 喜欢吃 $fruit";// 输出张三喜欢吃苹果
 testFun();
 testFun2();
 function testFun()
 {
  echo "<br>test function!<hr>";
 }
 ?>
  </body>
 </html>




( ! ) Notice: Undefined variable: who in D:\LearnWebDevelop\php\MyPhpExse\b_inc.php on line 14

Call Stack

#

Time

Memory

Function

Location

1

0.0173

370824

{main}( )

..\b_inc.php:0




( ! ) Notice: Undefined variable: fruit in D:\LearnWebDevelop\php\MyPhpExse\b_inc.php on line 14

Call Stack

#

Time

Memory

Function

Location

1

0.0173

370824

{main}( )

..\b_inc.php:0

喜欢吃



test function!

张三 喜欢吃 苹果



test function!

test function2!