A VBS code that determines the verification code, please turn to PHP code

A VBS code about the verification code, please turn the master into PHP code

VBScript Code

  
   <% ' Determines whether the OK button is pressed, and if pressed, compares the verification code with the correct if Request.QueryString ("Submit") <> "then       Dim checkcode,sessioncode      Checkcode = Trim (Request.QueryString ("Checkcode"))      sessioncode=session ("Verifycode")            ' The following two sentences are used to convert the registration code to all uppercase and can be easily entered by the user      Checkcode=ucase (checkcode)      sessioncode=ucase (sessioncode)      If Checkcode = Sessioncode then               response.redirect ("http://www.hzynh.cn") "Enter the download address here, after verifying the success can jump to the download address      Else              Response.Write ("")       End If End If%>

------Solution--------------------

PHP code

!--? phpif (!empty ($_request[' submit '])) {$checkCo    de = Strtoupper (Trim ($_request[' checkcode '));        $sessionCode = Strtoupper ($_session[' Verifycode ');    if ($checkCode = = $sessionCode) echo ""; else echo "";}? --> 
------Solution--------------------
!--? php
if (isset ($_post[' submit ')) 
 {
 $checkCode =trim ($_ post[' Checkcode '); 
 Session_Start (); 
 $sessionCode =$_session[' Verifycode '); 
 Session_destroy (); 
 $checkCode =ucase ($checkCode); 
 $sessionCode =ucase ($sessionCode); 
 if ($checkCode = = $sessionCode) 
 {
 Header ("location:http://www.hzynh.cn"); 
} 
 Else 
 {
 echo ""; 
} 
} 
? 
 
 
------Solution--------------------
 If you are reading a PHP session, then you are not enabled session 
 missing Session_ Start (); 
 
 If you try to read the session of the ASP, then I'm sorry, you can't read the 
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