sessions.php Parse Error

lgbr · December 13, 2004

Ok, I just did a brand new install of oscommerce. Right away, after doing the install, I get this error:

Parse error: parse error, unexpected '(', expecting ',' or ';' in /home/vivas/public_html/catalog/admin/includes/classes/sessions.php on line 33

I'm a pretty good PHP coder, but I couldn't see anything wrong with the file. Here it is:

Line 33 looks like this: var $cookie_path = substr(DIR_WS_ADMIN, 0, -1);

<?php
/*
 $Id: sessions.php,v 1.11 2003/06/20 16:23:08 hpdl Exp $

 osCommerce, Open Source E-Commerce Solutions
 http://www.oscommerce.com

 Copyright (c) 2003 osCommerce

 Released under the GNU General Public License

 Original source from Web Application Development with PHP (Tobias Ratschiller, Till Gerken)
 Copyright (c) 2000, New Riders Publishing
*/

 $SID = '';

 class php3session {
   var $name = PHP_SESSION_NAME;
   var $auto_start = false;
   var $referer_check = false;

   var $save_path = PHP_SESSION_SAVE_PATH;
   var $save_handler = 'php3session_files';

   var $lifetime = 0;

   var $cache_limiter = 'nocache';
   var $cache_expire = 180;

   var $use_cookies = true;
   var $cookie_lifetime = 0;
   var $cookie_path = substr(DIR_WS_ADMIN, 0, -1);
   var $cookie_domain = '';

   var $gc_probability = 1;
   var $gc_maxlifetime = 0;

   var $serialize_handler = 'php';
   var $ID;

   var $nr_open_sessions = 0;
   var $mod_name = '';
   var $id;
   var $delimiter = "\n";
   var $delimiter_value = '[==]';

   function php3session() {
     $this->mod_name = $this->save_handler;
   }
 }

 class php3session_user {
   var $open_func, $close_func, $read_func, $write_func, $destroy_func, $gc_func;

   function open($save_path, $sess_name) {
     $func = $this->open_func;
     if (function_exists($func)) {
       return $func($save_path, $sess_name);
     }

     return true;
   }

   function close($save_path, $sess_name) {
     $func = $this->close_func;
     if (function_exists($func)) {
       return $func();
     }

     return true;
   }

   function read($sess_id) {
     $func = $this->read_func;

     return $func($sess_id);
   }

   function write($sess_id, $val) {
     $func = $this->write_func;

     return $func($sess_id, $val);
   }

   function destroy($sess_id) {
     $func = $this->destroy_func;
     if (function_exists($func)) {
       return $func($sess_id);
     }

     return true;
   }

   function gc($max_lifetime) {
     $func = $this->gc_func;
     if (function_exists($func)) {
       return $func($max_lifetime);
     }

     return true;
   }
 }

 class php3session_files {
   function open($save_path, $sess_name) {
     return true;
   }

   function close() {
     return true;
   }

   function read($sess_id) {
     global $session;

// Open, read in, close file with session data
     $file = $session->save_path . '/sess_' . $sess_id;
     if (!file_exists($file)) {
// Create it
       touch($file);
     }
     $fp = fopen($file, 'r') or die('Could not open session file (' . $file . ').');
     $val = fread($fp, filesize($file));
     fclose($fp);

     return $val;
   }

   function write($sess_id, $val) {
     global $session;

// Open, write to, close file with session data
     $file = $session->save_path . '/sess_' . $sess_id;
     $fp = fopen($file, 'w') or die('Could not write session file (' . $file . ')');
     $val = fputs($fp, $val);
     fclose($fp);

     return true;
   }

   function destroy($sess_id) {
     global $session;

     $file = $session->save_path . '/sess_' . $sess_id;
     unlink($file);

     return true;
   }

   function gc($max_lifetime) {
// We return true, since all cleanup should be handled by
// an external entity (i.e. find -ctime x | xargs rm)
     return true;
   }
 }

 function _session_create_id() {
   return md5(uniqid(microtime()));
 }

 function _session_cache_limiter() {
   global $session;

   switch ($session->cache_limiter) {
     case 'nocache':
                     header('Expires: Thu, 19 Nov 1981 08:52:00 GMT');
                     header('Cache-Control: no-cache');
                     header('Pragma: no-cache');
                     break;
     case 'private':
                     header('Expires: Thu, 19 Nov 1981 08:52:00 GMT');
                     header(sprintf('Cache-Control: private, max-age=%s', $session->cache_expire * 60));
                     header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime(basename($GLOBALS['PHP_SELF']))) . ' GMT');
                     break;
     case 'public':
                     $now = time();
                     $now += $session->cache_expire * 60;
                     $now = gmdate('D, d M Y H:i:s', $now) . ' GMT';
                     header('Expires: ' . $now);
                     header(sprintf('Cache-Control: public, max-age=%s', $session->cache_expire * 60));
                     header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime(basename($GLOBALS['PHP_SELF']))) . ' GMT');
                     break;
     default:
                     die('Caching method ' . $session->cache_limiter . ' not implemented.');
   }
 }

 function _php_encode() {
   global $session;

   $ret = '';
// Create a string containing the serialized variables
   for (reset($session->vars); list($i)=each($session->vars);) {
     $ret .= $session->vars[$i] . $session->delimiter_value . serialize($GLOBALS[$session->vars[$i]]) . $session->delimiter;
   }

   return $ret;
 }

 function _php_decode($data) {
   global $session;

   $data = trim($data);
   $vars = explode($session->delimiter, $data);

// Add the variables to the global namespace
   for (reset($vars); list($i)=each($vars);) {
     $tmp = explode($session->delimiter_value, $vars[$i]);
     $name = trim($tmp[0]);
     $value = trim($tmp[1]);
     $GLOBALS[$name] = unserialize($value);
     $session->vars[] = trim($name);
   }
 }

 function _wddx_encode($data) {
   global $session;

   $ret = wddx_serialize_vars($session->vars);

   return $ret;
 }

 function _wddx_decode($data) {
   return wddx_deserialize($data);
 }

 function session_name($name = '') {
   global $session;

   if (empty($name)) {
     return $session->name;
   }

   $session->name = $name;
 }

 function session_set_save_handler($open, $close, $read, $write, $destroy, $gc) {
   global $session, $php3session_user;

   $php3session_user = new php3session_user;
   $php3session_user->open_func = $open;
   $php3session_user->close_func = $close;
   $php3session_user->read_func = $read;
   $php3session_user->write_func = $write;
   $php3session_user->destroy_func = $destroy;
   $php3session_user->gc_func = $gc;
   $session->mod_name = 'php3session_user';
 }

 function session_module_name($name = '') {
   global $session;

   if (empty($name)) {
     return $session->mod_name;
   }

   $session->mod_name = $name;
 }

 function session_save_path($path = '') {
   global $session;

   if(empty($path)) {
     return $session->save_path;
   }

   $session->save_path = $path;
 }

 function session_id($id = '') {
   global $session;

   if(empty($id)) {
     return $session->id;
   }

   $session->id = $id;
 }

 function session_register($var) {
   global $session;

   if ($session->nr_open_sessions == 0) {
     session_start();
   }

   $session->vars[] = trim($var);
 }

 function session_unregister($var) {
   global $session;

   for (reset($session->vars); list($i)=each($session->vars);) {
     if ($session->vars[$i] == trim($var)) {
       unset($session->vars[$i]);
       break;
     }
   }
 }

 function session_is_registered($var) {
   global $session;

   for (reset($session->vars); list($i)=each($session->vars);) {
     if ($session->vars[$i] == trim($var)) {
       return true;
     }
   }

   return false;
 }

 function session_encode() {
   global $session;

   $serializer = '_' . $session->serialize_handler . '_encode';
   $ret = $serializer();

   return $ret;
 }

 function session_decode($data) {
   global $session;

   $serializer = '_' . $session->serialize_handler . '_decode';
   $ret = $serializer($data);

   return $ret;
 }

 function session_start() {
   global $session, $SID, $HTTP_COOKIE_VARS, $HTTP_GET_VARS, $HTTP_POST_VARS;

// Define the global variable $SID?
   $define_sid = true;

// Send the session cookie?
   $send_cookie = true;

// Is track_vars enabled?
   $track_vars = ( (isset($HTTP_COOKIE_VARS)) || (isset($HTTP_GET_VARS)) || (isset($HTTP_POST_VARS)) ) ? true : false;

// Check if session_start() has been called once already
   if ($session->nr_open_sessions != 0) {
     return false;
   }

// If our only resource is the global symbol_table, then check it.
// If track_vars are enabled, we prefer these, because they are more
// reliable, and we always know whether the user has accepted the
// cookie.
   if ( (isset($GLOBALS[$session->name])) && (!empty($GLOBALS[$session->name])) && (!$track_vars) ) {
     $session->id = $GLOBALS[$session->name];
     $send_cookie = false;
   }

// Now check the track_vars. Cookies are preferred, because initially
// cookie and get variables will be available.
   if ( (empty($session->id)) && ($track_vars) ) {
     if (isset($HTTP_COOKIE_VARS[$session->name])) {
       $session->id = $HTTP_COOKIE_VARS[$session->name];
       $define_sid = false;
       $send_cookie = false;
     }

     if (isset($HTTP_GET_VARS[$session->name])) {
       $session->id = $HTTP_GET_VARS[$session->name];
     }

     if (isset($HTTP_POST_VARS[$session->name])) {
       $session->id = $HTTP_POST_VARS[$session->name];
     }
   }

/*
// Check the REQUEST_URI symbol for a string of the form
// '<session-name>=<session-id>' to allow URLs of the form
// http://yoursite/<session-name>=<session-id>/script.php
   if (empty($session->id)) {
     eregi($session->name . '=([^/]+)', $GLOBALS['REQUEST_URI'], $regs);
     $regs[1] = trim($regs[1]);
     if (!empty($regs[1])) {
       $session->id = $regs[1];
     }
   }
*/

// Check whether the current request was referred to by
// an external site which invalidates the previously found ID
   if ( (!empty($session->id)) && ($session->referer_check) ) {
     $url = parse_url($GLOBALS['HTTP_REFERER']);
     if (trim($url['host']) != $GLOBALS['SERVER_NAME']) {
       unset($session->id);
       $send_cookie = true;
       $define_sid = true;
     }
   }

// Do we have an existing session ID?
   if (empty($session->id)) {
// Create new session ID
     $session->id = _session_create_id();
   }

// Is use_cookies set to false?
   if ( (!$session->use_cookies) && ($send_cookie) ) {
     $define_sid = true;
     $send_cookie = false;
   }

// Should we send a cookie?
   if ($send_cookie) {
     setcookie($session->name, $session->id, $session->cookie_lifetime, $session->cookie_path, $session->cookie_domain);
   }

// Should we define the SID?
   if($define_sid) {
     $SID = $session->name . '=' . $session->id;
   }

   $session->nr_open_sessions++;

// Send caching headers

// Start session
   $mod = $GLOBALS[$session->mod_name];
   if (!$mod->open($session->save_path, $session->name)) {
     die('Failed to initialize session module.');
   }

// Read session data
   if ($val = $mod->read($session->id)) {
// Decode session data
     session_decode($val);
   }

// Send HTTP cache headers
   _session_cache_limiter();

// Check if we should clean up (call the garbage collection routines)
   if ($session->gc_probability > 0) {
     $randmax = getrandmax();
     $nrand = (int)(100 * tep_rand() / $randmax);
     if ($nrand < $session->gc_probability) {
       $mod->gc($session->gc_maxlifetime);
     }
   }

   if ($define_sid) {
     define('SID', $SID);
   } else {
     define('SID', '');
   }

   return true;
 }

 function session_destroy() {
   global $session;

   if ($session->nr_open_sessions == 0) {
     return false;
   }

// Destroy session
   $mod = $GLOBALS[$session->mod_name];
   if (!$mod->destroy($session->id)) {
     return false;
   }
   unset($session);
   $session = new php3session;

   return true;
 }

 function session_close() {
   global $session, $SID;

   if ($session->nr_open_sessions == 0) {
     return false;
   }
// Encode session
   $val = session_encode();
   $len = strlen($val);

// Save session
   $mod = $GLOBALS[$session->mod_name];
   if (!$mod->write($session->id, $val)) {
     die('Session could not be saved.');
   }
// Close session
   if ( (function_exists($session->mod_name . '->close')) && (!$mod->close()) ) {
     die('Session could not be closed.');
   }
   $SID = '';
   $session->nr_open_sessions--;

   return true;
 }

 $session = new php3session;
 $mod = $session->save_handler;
 $$mod = new $mod;

 if ($session->auto_start) {
   $ret = session_start() or die('Session could not be started.');
 }

 register_shutdown_function('session_close');
?>

♥Vger · December 13, 2004

The best thing to do is to upload a fresh file. Download the osCommerce MS2.2 zip from oscommerce.com, unzip it on your computer and just upload that one file.

For future reference, you should only download osCommerce files from osCommerce and not from any other site, and you should not edit them at all using the osCommerce File Manager. The file manager strips backslashes and causes parse errors. Only edit osCommerce files in a plain text editor.

Vger

lgbr · December 13, 2004

The best thing to do is to upload a fresh file. Download the osCommerce MS2.2 zip from oscommerce.com, unzip it on your computer and just upload that one file.

For future reference, you should only download osCommerce files from osCommerce and not from any other site, and you should not edit them at all using the osCommerce File Manager. The file manager strips backslashes and causes parse errors. Only edit osCommerce files in a plain text editor.

Vger

<{POST_SNAPBACK}>

Ok but, I am using the one from oscommerce.com.

Jan Zonjee · December 13, 2004

Did you copy and paste code from a webpage? I noticed that I often get this type of untraceable error messages when doing that. Perhaps there are invisible characters which cause those errors. When I remove white space (spaces, tabs and returns) first and then type them in again they often disappear. Perhaps opening the file in Notepad and re-saving it might help (someone suggested that sometime ago, but I don't remember who it was).

lgbr · December 13, 2004

Did you copy and paste code from a webpage? I noticed that I often get this type of untraceable error messages when doing that. Perhaps there are invisible characters which cause those errors. When I remove white space (spaces, tabs and returns) first and then type them in again they often disappear. Perhaps opening the file in Notepad and re-saving it might help (someone suggested that sometime ago, but I don't remember who it was).

<{POST_SNAPBACK}>

I'm using linux if you didn't notice, so notepad is one thing i do not have.

Jan Zonjee · December 13, 2004

I'm using linux if you didn't notice, so notepad is one thing i do not have.

I'm using MacOS X so removing the white space and adding it in again is what I do when I get those kind of errors. Perhaps saving it as ASCII (instead of utf8) might do the trick?

lgbr · December 13, 2004

Got my hands on a windows box, tried opening with notepad, saving and uploading, did nothing. Tried wordpad, and it changed something, the new file was smaller than the old one, uploaded it, and still nothing.

Jan Zonjee · December 13, 2004

I guess the problem is not what I thought it might be....

Your file looks quit a bit different than mine (see below for the top part)

<?php
/*
 $Id: sessions.php,v 1.15 2003/06/16 16:24:00 dgw_ Exp $

 osCommerce, Open Source E-Commerce Solutions
 http://www.oscommerce.com

 Copyright (c) 2003 osCommerce

 Released under the GNU General Public License

 Original source from Web Application Development with PHP (Tobias Ratschiller, Till Gerken)
 Copyright (c) 2000, New Riders Publishing
*/

 $SID = '';

 class php3session {
   var $name = PHP_SESSION_NAME;
   var $auto_start = false;
   var $referer_check = false;

   var $save_path = PHP_SESSION_SAVE_PATH;
   var $save_handler = 'php3session_files';

   var $lifetime = 0;

   var $cache_limiter = 'nocache';
   var $cache_expire = 180;

   var $use_cookies = true;
   var $cookie_lifetime = 0;
   var $cookie_path = PHP_SESSION_PATH;
   var $cookie_domain = PHP_SESSION_DOMAIN;

   var $gc_probability = 1;
   var $gc_maxlifetime = 0;

   var $serialize_handler = 'php';
   var $ID;

   var $nr_open_sessions = 0;
   var $mod_name = '';
   var $id;
   var $delimiter = "\n";
   var $delimiter_value = '[==]';

   var $vars;

   function php3session() {
     $this->mod_name = $this->save_handler;
     $this->vars = array();
   }
 }

 class php3session_user {
   var $open_func, $close_func, $read_func, $write_func, $destroy_func, $gc_func;

   function open($save_path, $sess_name) {
     $func = $this->open_func;
     if (function_exists($func)) {
       return $func($save_path, $sess_name);
     }

     return true;
   }

sessions.php Parse Error

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