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Warning: Cannot modify header information --- help!!!


lgpana

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I modified the header.php file and now I get the following error when adding an item to my cart.

 

Warning: Cannot modify header information - headers already sent by (output started at /home/hyteiayz/public_html/store/includes/functions/html_output.php:305) in /home/hyteiayz/public_html/store/includes/functions/general.php on line 23

 

URL: http://hytekpclabs.com

 

This is my header.php file:

 

<?php



/*



 $Id: header.php,v 1.36 2002/08/15 17:29:47 dgw_ Exp $







 osCommerce, Open Source E-Commerce Solutions



 http://www.oscommerce.com







 Copyright (c) 2001 osCommerce







 Released under the GNU General Public License



*/







// check if the 'install' directory exists, and warn of its existence



 if (WARN_INSTALL_EXISTENCE == 'true') {



   if (file_exists(dirname($HTTP_SERVER_VARS['SCRIPT_FILENAME']) . '/install')) {



     tep_output_warning(WARNING_INSTALL_DIRECTORY_EXISTS);



   }



 }







// check if the configure.php file is writeable



 if (WARN_CONFIG_WRITEABLE == 'true') {



   if ( (file_exists(dirname($HTTP_SERVER_VARS['SCRIPT_FILENAME']) . '/includes/configure.php')) && (is_writeable(dirname($HTTP_SERVER_VARS['SCRIPT_FILENAME']) . '/includes/configure.php')) ) {



     tep_output_warning(WARNING_CONFIG_FILE_WRITEABLE);



   }



 }







// check if the session folder is writeable



 if (WARN_SESSION_DIRECTORY_NOT_WRITEABLE == 'true') {



   if (STORE_SESSIONS == '') {



     if (!is_dir(tep_session_save_path())) {



       tep_output_warning(WARNING_SESSION_DIRECTORY_NON_EXISTENT);



     } elseif (!is_writeable(tep_session_save_path())) {



       tep_output_warning(WARNING_SESSION_DIRECTORY_NOT_WRITEABLE);



     }



   }



 }







// check session.auto_start is disabled



 if ( (function_exists('ini_get')) && (WARN_SESSION_AUTO_START == 'true') ) {



   if (ini_get('session.auto_start') == '1') {



     tep_output_warning(WARNING_SESSION_AUTO_START);



   }



 }







 if ( (WARN_DOWNLOAD_DIRECTORY_NOT_READABLE == 'true') && (DOWNLOAD_ENABLED == 'true') ) {



   if (!is_dir(DIR_FS_DOWNLOAD)) {



     tep_output_warning(WARNING_DOWNLOAD_DIRECTORY_NON_EXISTENT);



   }



 }



?>



<table width="100%" border="0" cellpadding="0" cellspacing="0">



 <tr class="header">

<td width="22" height="35"><img src="/store/images/corner.gif" width="22" height="35"></td>



   



   <td width="79"><?php echo '<a href="' . tep_href_link(FILENAME_ACCOUNT, '', 'SSL') . '">' . tep_image(DIR_WS_IMAGES . 'account.gif', HEADER_TITLE_MY_ACCOUNT) . '</a></td>



<td width="79"><a href="' . tep_href_link(FILENAME_SHOPPING_CART, '', 'NONSSL') . '">' . tep_image(DIR_WS_IMAGES . 'cart.gif', HEADER_TITLE_CART_CONTENTS) . '</a></td>

<td width="79"><a href="' . tep_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL') . '">' . tep_image(DIR_WS_IMAGES . 'checkout.gif', HEADER_TITLE_CHECKOUT) . '</a>'; ?></td>



<td width="79"><img src="/store/images/support.gif" width="79" height="35"></td>

<td width="65%" background="/store/images/back.gif"> </td>

<td width="13%" background="/store/images/back.gif"><img src="/store/images/corner.gif" width="22" height="35"></td>

 

</tr>



</table>

<table width="100%" height="85" border="0" cellpadding="0" cellspacing="0">

 <tr>

   <td height="66" background="/store/images/backblue.gif"> </td>

 </tr>

 <tr>

   <td height="19" background="/store/images/gray_back.gif"> </td>

 </tr>

</table>



<table border="0" width="100%" cellspacing="0" cellpadding="1">



 <tr class="headerNavigation">



   <td class="headerNavigation">  <?php echo $breadcrumb->trail(' » '); ?></td>



   <td align="right" class="headerNavigation"><?php if (tep_session_is_registered('customer_id')) { ?><a href="<?php echo tep_href_link(FILENAME_LOGOFF, '', 'SSL'); ?>" class="headerNavigation"><?php echo HEADER_TITLE_LOGOFF; ?></a>  |  <?php } ?><a href="<?php echo tep_href_link(FILENAME_ACCOUNT, '', 'SSL'); ?>" class="headerNavigation"><?php echo HEADER_TITLE_MY_ACCOUNT; ?></a>  |  <a href="<?php echo tep_href_link(FILENAME_SHOPPING_CART, '', 'NONSSL'); ?>" class="headerNavigation"><?php echo HEADER_TITLE_CART_CONTENTS; ?></a>  |  <a href="<?php echo tep_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL'); ?>" class="headerNavigation"><?php echo HEADER_TITLE_CHECKOUT; ?></a>   </td>



 </tr>



</table>



<?php



 if ($HTTP_GET_VARS['error_message'] != '') {



?>



<table border="0" width="100%" cellspacing="0" cellpadding="2">



 <tr class="headerError">



   <td class="headerError"><?php echo urldecode($HTTP_GET_VARS['error_message']); ?></td>



 </tr>



</table>



<?php



 }







 if ($HTTP_GET_VARS['info_message'] != '') {



?>



<table border="0" width="100%" cellspacing="0" cellpadding="2">



 <tr class="headerInfo">



   <td class="headerInfo"><?php echo $HTTP_GET_VARS['info_message']; ?></td>



 </tr>



</table>



<?php



 }



?>

 

all help will be appreciated.

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