meta_tags.php

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<?php
/**
 * meta_tags module
 *
 * @package modules
 * @copyright Copyright 2003-2007 Zen Cart Development Team
 * @copyright Portions Copyright 2003 osCommerce
 * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
 * @version $Id: meta_tags.php 6863 2007-08-27 16:06:25Z drbyte $
 */
if (!defined('IS_ADMIN_FLAG')) {
  die('Illegal Access');
}
// This should be first line of the script:
$zco_notifier->notify('NOTIFY_MODULE_START_META_TAGS');


/////////////////////////////////////////////////////////
// Moved to /includes/languages/english/meta_tags.php
//
// Define Primary Section Output
//  define('PRIMARY_SECTION', ' : ');

// Define Secondary Section Output
//  define('SECONDARY_SECTION', ' - ');

// Define Tertiary Section Output
//  define('TERTIARY_SECTION', ', ');

//
/////////////////////////////////////////////////////////

// Add tertiary section to site tagline
if (strlen(SITE_TAGLINE) > 1) {
  define('TAGLINE', TERTIARY_SECTION . SITE_TAGLINE);
} else {
  define('TAGLINE', '');
}

$review_on = "";
$keywords_string_metatags = "";
$meta_tags_over_ride = false;
if (!defined('METATAGS_DIVIDER')) define('METATAGS_DIVIDER', ' ');

// Get all top category names for use with web site keywords
$sql = "select cd.categories_name from " . TABLE_CATEGORIES . " c, " . TABLE_CATEGORIES_DESCRIPTION . " cd where c.parent_id = 0 and c.categories_id = cd.categories_id and cd.language_id='" . (int)$_SESSION['languages_id'] . "' and c.categories_status=1";
$keywords_metatags = $db->Execute($sql);
while (!$keywords_metatags->EOF) {
  $keywords_string_metatags .= zen_clean_html($keywords_metatags->fields['categories_name']) . METATAGS_DIVIDER;
  $keywords_metatags->MoveNext();
}
define('KEYWORDS', str_replace('"','',zen_clean_html($keywords_string_metatags) . CUSTOM_KEYWORDS));

// if per-page metatags overrides have been defined, use those, otherwise use usual defaults:
if ($current_page_base != 'index') {
  if (defined('META_TAG_TITLE_' . strtoupper($current_page_base))) define('META_TAG_TITLE', constant('META_TAG_TITLE_' . strtoupper($current_page_base)));
  if (defined('META_TAG_DESCRIPTION_' . strtoupper($current_page_base))) define('META_TAG_DESCRIPTION', constant('META_TAG_DESCRIPTION_' . strtoupper($current_page_base)));
  if (defined('META_TAG_KEYWORDS_' . strtoupper($current_page_base))) define('META_TAG_KEYWORDS', constant('META_TAG_KEYWORDS_' . strtoupper($current_page_base)));
}

// Get different meta tag values depending on main_page values
switch ($_GET['main_page']) {
  case 'advanced_search':
  case 'account_edit':
  case 'account_history':
  case 'account_history_info':
  case 'account_newsletters':
  case 'account_notifications':
  case 'account_password':
  case 'address_book':
  define('META_TAG_TITLE', HEADING_TITLE . PRIMARY_SECTION . TITLE . TAGLINE);
  define('META_TAG_DESCRIPTION', TITLE . PRIMARY_SECTION . NAVBAR_TITLE_1 . SECONDARY_SECTION . KEYWORDS);
  define('META_TAG_KEYWORDS', KEYWORDS . METATAGS_DIVIDER . NAVBAR_TITLE_1);
  break;

  case 'address_book_process':
  define('META_TAG_TITLE', NAVBAR_TITLE_ADD_ENTRY . PRIMARY_SECTION . TITLE . TAGLINE);
  define('META_TAG_DESCRIPTION', TITLE . PRIMARY_SECTION . NAVBAR_TITLE_ADD_ENTRY . SECONDARY_SECTION . KEYWORDS);
  define('META_TAG_KEYWORDS', KEYWORDS . METATAGS_DIVIDER . NAVBAR_TITLE_ADD_ENTRY);
  break;

  case 'advanced_search_result':
  case 'password_forgotten':
  define('META_TAG_TITLE', NAVBAR_TITLE_2 . PRIMARY_SECTION . TITLE . TAGLINE);
  define('META_TAG_DESCRIPTION', TITLE . PRIMARY_SECTION . NAVBAR_TITLE_2 . SECONDARY_SECTION . KEYWORDS);
  define('META_TAG_KEYWORDS', KEYWORDS . METATAGS_DIVIDER . NAVBAR_TITLE_2);
  break;

  case 'checkout_confirmation':
  case 'checkout_payment':
  case 'checkout_payment_address':
  case 'checkout_shipping':
  case 'checkout_success':
  case 'create_account_success':
  define('META_TAG_TITLE', HEADING_TITLE . PRIMARY_SECTION . TITLE . TAGLINE);
  define('META_TAG_DESCRIPTION', TITLE . PRIMARY_SECTION . HEADING_TITLE . SECONDARY_SECTION . KEYWORDS);
  define('META_TAG_KEYWORDS', KEYWORDS . METATAGS_DIVIDER . HEADING_TITLE);
  break;

  case ($this_is_home_page):
  define('META_TAG_TITLE', (HOME_PAGE_TITLE != '' ? HOME_PAGE_TITLE : (defined('NAVBAR_TITLE') ? NAVBAR_TITLE . PRIMARY_SECTION : '') . TITLE . TAGLINE));
  define('META_TAG_DESCRIPTION', (HOME_PAGE_META_DESCRIPTION != '') ? HOME_PAGE_META_DESCRIPTION : TITLE . PRIMARY_SECTION . (defined('NAVBAR_TITLE') ? NAVBAR_TITLE : '' ) . SECONDARY_SECTION . KEYWORDS);
  define('META_TAG_KEYWORDS', (HOME_PAGE_META_KEYWORDS != '') ? HOME_PAGE_META_KEYWORDS : KEYWORDS . METATAGS_DIVIDER . (defined('NAVBAR_TITLE') ? NAVBAR_TITLE : '' ) );
  break;

  case 'index':
  // bof: categories meta tags
  // run custom categories meta tags
  $sql = "select * from " . TABLE_METATAGS_CATEGORIES_DESCRIPTION . " mcd where mcd.categories_id = '" . (int)$current_category_id . "' and mcd.language_id = '" . (int)$_SESSION['languages_id'] . "'";
  $category_metatags = $db->Execute($sql);
  if (!$category_metatags->EOF) {
    define('META_TAG_TITLE', str_replace('"','',$category_metatags->fields['metatags_title']));
    define('META_TAG_DESCRIPTION', str_replace('"','',$category_metatags->fields['metatags_description']));
    define('META_TAG_KEYWORDS', str_replace('"','',$category_metatags->fields['metatags_keywords']));
  } else {
    // build categories meta tags
    // eof: categories meta tags
    if ($category_depth == 'nested') {
      $sql = "select cd.categories_name from " . TABLE_CATEGORIES . " c, " . TABLE_CATEGORIES_DESCRIPTION . " cd where c.categories_id = cd.categories_id and cd.categories_id = '" . (int)$current_category_id . "' and cd.language_id = '" . (int)$_SESSION['languages_id'] . "' and c.categories_status=1";
      $category_metatags = $db->Execute($sql);
      if ($category_metatags->EOF) {
        $meta_tags_over_ride = true;
      } else {
        define('META_TAG_TITLE', str_replace('"','', zen_clean_html($category_metatags->fields['categories_name']) . PRIMARY_SECTION . TITLE . TAGLINE));
        define('META_TAG_DESCRIPTION', str_replace('"','',TITLE . PRIMARY_SECTION . zen_clean_html($category_metatags->fields['categories_name']) . SECONDARY_SECTION . KEYWORDS));
        define('META_TAG_KEYWORDS', str_replace('"','',KEYWORDS . METATAGS_DIVIDER . zen_clean_html($category_metatags->fields['categories_name'])));
      } // EOF
    } elseif ($category_depth == 'products') {
      if (isset($_GET['manufacturers_id']) || ((isset($_GET['filter_id']) && $_GET['filter_id'] > 0) && isset($_GET['cPath'])) ) {
        if ((isset($_GET['filter_id']) && isset($_GET['cPath'])) ) {
          $include_manufacturers_id = $_GET['filter_id'];
        } else {
          $include_manufacturers_id = $_GET['manufacturers_id'];
        }
        $sql = "select manufacturers_name from " . TABLE_MANUFACTURERS . " where manufacturers_id = '" . (int)$include_manufacturers_id . "'";
        $manufacturer_metatags = $db->Execute($sql);
        if ($manufacturer_metatags->EOF) {
          $meta_tags_over_ride = true;
        } else {
          define('META_TAG_TITLE', str_replace('"','',$manufacturer_metatags->fields['manufacturers_name'] . PRIMARY_SECTION . TITLE . TAGLINE));
          define('META_TAG_DESCRIPTION', str_replace('"','',TITLE . PRIMARY_SECTION . $manufacturer_metatags->fields['manufacturers_name'] . SECONDARY_SECTION . KEYWORDS));
          define('META_TAG_KEYWORDS', str_replace('"','', $manufacturer_metatags->fields['manufacturers_name'] . METATAGS_DIVIDER . KEYWORDS));
        } // EOF
      } else {
        $sql = "select cd.categories_name from " . TABLE_CATEGORIES . ' c, ' . TABLE_CATEGORIES_DESCRIPTION . " cd where c.categories_id = cd.categories_id and cd.categories_id = '" . (int)$current_category_id . "' and cd.language_id = '" . (int)$_SESSION['languages_id'] . "' and c.categories_status=1";
        $category_metatags = $db->Execute($sql);
        if ($category_metatags->EOF) {
          $meta_tags_over_ride = true;
        } else {
          define('META_TAG_TITLE', str_replace('"','', zen_clean_html($category_metatags->fields['categories_name']) . PRIMARY_SECTION . TITLE . TAGLINE));
          define('META_TAG_DESCRIPTION', str_replace('"','',TITLE . PRIMARY_SECTION . zen_clean_html($category_metatags->fields['categories_name']) . SECONDARY_SECTION . KEYWORDS));
          define('META_TAG_KEYWORDS', str_replace('"','',KEYWORDS . METATAGS_DIVIDER . zen_clean_html($category_metatags->fields['categories_name'])));
        } // EOF
      }
    } else {
      if (isset($_GET['manufacturers_id'])) {
        $sql = "select manufacturers_name from " . TABLE_MANUFACTURERS . " where manufacturers_id = '" . (int)$_GET['manufacturers_id'] . "'";
        $manufacturer_metatags = $db->Execute($sql);
        if ($manufacturer_metatags->EOF) {
          define('META_TAG_TITLE', TITLE . TAGLINE);
          define('META_TAG_DESCRIPTION', TITLE . PRIMARY_SECTION . str_replace(array("'",'"'),'',strip_tags(HEADING_TITLE)) . SECONDARY_SECTION . KEYWORDS);
          define('META_TAG_KEYWORDS', KEYWORDS . METATAGS_DIVIDER . str_replace(array("'",'"'),'',strip_tags(HEADING_TITLE)));
        } else {
          define('META_TAG_TITLE', str_replace('"','', $manufacturer_metatags->fields['manufacturers_name'] . PRIMARY_SECTION . TITLE . TAGLINE));
          define('META_TAG_DESCRIPTION', str_replace('"','',TITLE . PRIMARY_SECTION . $manufacturer_metatags->fields['manufacturers_name'] . SECONDARY_SECTION . KEYWORDS));
          define('META_TAG_KEYWORDS', str_replace('"','', $manufacturer_metatags->fields['manufacturers_name'] . METATAGS_DIVIDER . KEYWORDS));
        }
      } else {
        // nothing custom main page
        $meta_tags_over_ride = true;
      }
    }
  } // custom meta tags
  break;
  // eof: categories meta tags