<?phpsession_start();?><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Online Examination System</title> <style type=&quo

Your online variable does not receive $_GET

The error shows that the online variable is not defined. How to solve it?-PHP Chinese Network Q&A

<?php

session_start();

<html>

<head>

<title>在线考试系统</title>

.style1 {color: #FFFFFF; font-size: 12px; };

</style>

</head>

<body>

<tr>

</tr>

<tr>

</tr>

</table>

<tr>

<tr>

<tr>

<td width="70%"><span class="style1">当前位置：在线考试系统 > <?php echo $online ; ?></span></td>

</tr>

</table></td>

</tr>

<tr>

{

case "candidate registration":

include("zhuce.php");

break;

case " Candidate login":

include("denglu.php");

break;

case "Change password":

include("xgmm.php");

break;

case "Score Query":

include("cjcx.php") ;

break;

case "Enter the examination room":

include("jrkc.php");

break;

case "Select a question":

include("xzkt.php");

break;

case "Start exam":

include("ksks.php");

break;

}

.jpg" width="778" height="24"></td>

</tr>

< ;/table>

<br>

##<map name ="Map">

< ;area shape="rect" coords="448,33,505,51" href="index.php?online=Candidate Login">

</map>

</body>

</html>

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