Unserialize Error-solving ideas when using cookies to show browsing history

Unserialize error when displaying browsing history with a cookie

PHP Code

  
   
  
   '; Echo '
Next page ';    if (Isset ($_cookie[' his ")) {    //echo $_cookie[' his '];exit;    $data = unserialize ($_cookie[' his ');    $url = $_server[' Request_uri ');    $data [] = $url;    $data = Array_unique ($data);           if (count ($data) >10) {        array_shift ($data);    }        $urls = serialize ($data);    Setcookie (' His ', $urls, Time () *2*24*3600);} else {    $url = $_server[' Request_uri ');    $data [] = $url;    $urls = serialize ($data);    Setcookie (' His ', $urls, Time () *2*24*3600);}? >


  
   
   
    
   
    
    
Browse History
    
   
        
   
    
    
"> 
    
   
    
  
   
   

After opening in the browser and entering an ID on the address bar, the browser gives a hint

HTML Code

  
   Notice:unserialize () [function.unserialize]: Error at offset 9 of the bytes in D:\server\apache\www\20120413\history.php o N Line 16

And show the history of one, I think it may be related to the above error, can not find a solution, grammar I saw a few pieces, temporarily did not find the above error, looking for the!!!!!!

------Solution--------------------
$data = Unserialize (stripslashes ($_cookie[' his '));

So try, not to print out the cookie value to be affixed,

