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Please help!Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent


yvettekukoja

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i installed PayPal Website Payments Pro, U.K. Edition, with PWA (http://addons.oscommerce.com/info/5442) contribution and now I am encountering warning messages on every page

www.lamimini.com/catalog

>_<

 

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /homepages/34/d215854678/htdocs/catalog/includes/application_top.php:2) in /homepages/34/d215854678/htdocs/catalog/includes/functions/sessions.php on line 102

 

Warning: Cannot modify header information - headers already sent by (output started at /homepages/34/d215854678/htdocs/catalog/includes/application_top.php:2) in /homepages/34/d215854678/htdocs/catalog/includes/functions/general.php on line 32

 

 

Anyone knows how to fix this? Any help is greatly appreciated.

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/homepages/34/d215854678/htdocs/catalog/includes/functions/sessions.php on line 102

 

so on sessions.php line 192 is generating some warning either place an @ over there or fixit.

 

Definitely an issue with register globals and session.

 

Satish

Ask/Skype for Free osCommerce value addon/SEO suggestion tips for your site.

 

Check My About US For who am I and what My company does.

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/homepages/34/d215854678/htdocs/catalog/includes/functions/sessions.php on line 102

 

so on sessions.php line 192 is generating some warning either place an @ over there or fixit.

 

Definitely an issue with register globals and session.

 

Satish

 

 

Hi Dear Satish,

Thanks for your reply.

I`m not very good with php and i`ve got no idea how to fix it :rolleyes:

Here is the code:

 

<?php
/*
 $Id: sessions.php 1830 2008-01-30 00:58:21Z hpdl $

 osCommerce, Open Source E-Commerce Solutions
 [url="http://www.oscommerce.com"]http://www.oscommerce.com[/url]

 Copyright © 2008 osCommerce

 Released under the GNU General Public License
*/

 if ( (PHP_VERSION >= 4.3) && ((bool)ini_get('register_globals') == false) ) {
   @ini_set('session.bug_compat_42', 1);
   @ini_set('session.bug_compat_warn', 0);
 }

 if (STORE_SESSIONS == 'mysql') {
   if (!$SESS_LIFE = get_cfg_var('session.gc_maxlifetime')) {
     $SESS_LIFE = 1440;
   }

   function _sess_open($save_path, $session_name) {
     return true;
   }

   function _sess_close() {
     return true;
   }

   function _sess_read($key) {
     $value_query = tep_db_query("select value from " . TABLE_SESSIONS . " where sesskey = '" . tep_db_input($key) . "' and expiry > '" . time() . "'");
     $value = tep_db_fetch_array($value_query);

     if (isset($value['value'])) {
       return $value['value'];
     }

     return '';
   }

   function _sess_write($key, $val) {
     global $SESS_LIFE;

     $expiry = time() + $SESS_LIFE;
     $value = $val;

     $check_query = tep_db_query("select count(*) as total from " . TABLE_SESSIONS . " where sesskey = '" . tep_db_input($key) . "'");
     $check = tep_db_fetch_array($check_query);

     if ($check['total'] > 0) {
       return tep_db_query("update " . TABLE_SESSIONS . " set expiry = '" . tep_db_input($expiry) . "', value = '" . tep_db_input($value) . "' where sesskey = '" . tep_db_input($key) . "'");
     } else {
       return tep_db_query("insert into " . TABLE_SESSIONS . " values ('" . tep_db_input($key) . "', '" . tep_db_input($expiry) . "', '" . tep_db_input($value) . "')");
     }
   }

   function _sess_destroy($key) {
     return tep_db_query("delete from " . TABLE_SESSIONS . " where sesskey = '" . tep_db_input($key) . "'");
   }

   function _sess_gc($maxlifetime) {
     tep_db_query("delete from " . TABLE_SESSIONS . " where expiry < '" . time() . "'");

     return true;
   }

   session_set_save_handler('_sess_open', '_sess_close', '_sess_read', '_sess_write', '_sess_destroy', '_sess_gc');
 }

 function tep_session_start() {
   global $HTTP_GET_VARS, $HTTP_POST_VARS, $HTTP_COOKIE_VARS;

   $sane_session_id = true;

   if (isset($HTTP_GET_VARS[tep_session_name()])) {
     if (preg_match('/^[a-zA-Z0-9]+$/', $HTTP_GET_VARS[tep_session_name()]) == false) {
       unset($HTTP_GET_VARS[tep_session_name()]);

       $sane_session_id = false;
     }
   } elseif (isset($HTTP_POST_VARS[tep_session_name()])) {
     if (preg_match('/^[a-zA-Z0-9]+$/', $HTTP_POST_VARS[tep_session_name()]) == false) {
       unset($HTTP_POST_VARS[tep_session_name()]);

       $sane_session_id = false;
     }
   } elseif (isset($HTTP_COOKIE_VARS[tep_session_name()])) {
     if (preg_match('/^[a-zA-Z0-9]+$/', $HTTP_COOKIE_VARS[tep_session_name()]) == false) {
       $session_data = session_get_cookie_params();

       setcookie(tep_session_name(), '', time()-42000, $session_data['path'], $session_data['domain']);

       $sane_session_id = false;
     }
   }

   if ($sane_session_id == false) {
     tep_redirect(tep_href_link(FILENAME_DEFAULT, '', 'NONSSL', false));
   }

   return session_start();
 }

 function tep_session_register($variable) {
   global $session_started;

   if ($session_started == true) {
     if (PHP_VERSION < 4.3) {
       return session_register($variable);
     } else {
       if (isset($GLOBALS[$variable])) {
         $_SESSION[$variable] =& $GLOBALS[$variable];
       } else {
         $_SESSION[$variable] = null;
       }
     }
   }

   return false;
 }

 function tep_session_is_registered($variable) {
   if (PHP_VERSION < 4.3) {
     return session_is_registered($variable);
   } else {
     return isset($_SESSION) && array_key_exists($variable, $_SESSION);
   }
 }

 function tep_session_unregister($variable) {
   if (PHP_VERSION < 4.3) {
     return session_unregister($variable);
   } else {
     unset($_SESSION[$variable]);
   }
 }

 function tep_session_id($sessid = '') {
   if (!empty($sessid)) {
     return session_id($sessid);
   } else {
     return session_id();
   }
 }

 function tep_session_name($name = '') {
   if (!empty($name)) {
     return session_name($name);
   } else {
     return session_name();
   }
 }

 function tep_session_close() {
   if (PHP_VERSION >= '4.0.4') {
     return session_write_close();
   } elseif (function_exists('session_close')) {
     return session_close();
   }
 }

 function tep_session_destroy() {
   return session_destroy();
 }

 function tep_session_save_path($path = '') {
   if (!empty($path)) {
     return session_save_path($path);
   } else {
     return session_save_path();
   }
 }

 function tep_session_recreate() {
   if (PHP_VERSION >= 4.1) {
     $session_backup = $_SESSION;

     unset($_COOKIE[tep_session_name()]);

     tep_session_destroy();

     if (STORE_SESSIONS == 'mysql') {
       session_set_save_handler('_sess_open', '_sess_close', '_sess_read', '_sess_write', '_sess_destroy', '_sess_gc');
     }

     tep_session_start();

     $_SESSION = $session_backup;
     unset($session_backup);
   }
 }
?>

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Actually it's not sessions.php that the problem - look closely at the error

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /homepages/34/d215854678/htdocs/catalog/includes/application_top.php:2) in /homepages/34/d215854678/htdocs/catalog/includes/functions/sessions.php on line 102

 

You may have a blank line or a space before the <?php in application_top.php - delete anything before this

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Actually it's not sessions.php that the problem - look closely at the error

You may have a blank line or a space before the <?php in application_top.php - delete anything before this

 

Thank you Tom.You are the Star. :thumbsup:

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