<?php
/*
+----------------------------------------------------------------------+
| Ultimate SEO URLs For Zen Cart, version 2.101 |
+----------------------------------------------------------------------+
| |
| Derrived from Ultimate SEO URLs v2.1 for osCommerce by Chemo |
| |
| Portions Copyright 2005, Joshua Dechant |
| |
| Portions Copyright 2005, Bobby Easland |
| |
| Portions Copyright 2003 The zen-cart developers |
| |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the GPL license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zen-cart.com/license/2_0.txt. |
| If you did not receive a copy of the zen-cart license and are unable |
| to obtain it through the world-wide-web, please send a note to |
| license@zen-cart.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
require_once(dirname(__FILE__) . '/seo.install.php');
class SEO_URL{
var $cache;
var $languages_id;
var $attributes;
var $base_url;
var $base_url_ssl;
var $reg_anchors;
var $cache_query;
var $cache_file;
var $data;
var $need_redirect;
var $is_seopage;
var $uri;
var $real_uri;
var $uri_parsed;
var $db;
var $installer;
function SEO_URL($languages_id=''){
$this->installer = &new SEO_URL_INSTALLER();
$this->db = &$GLOBALS['db'];
if ($languages_id == '') $languages_id = $_SESSION['languages_id'];
$this->languages_id = (int)$languages_id;
FILENAME_DEFAULT,
FILENAME_PRODUCT_INFO,
FILENAME_POPUP_IMAGE,
FILENAME_PRODUCT_REVIEWS,
FILENAME_PRODUCT_REVIEWS_INFO,
FILENAME_EZPAGES,
);
// News & Article Manager SEO support
if (defined('FILENAME_NEWS_INDEX')) $seo_pages[] = FILENAME_NEWS_INDEX
;
if (defined('FILENAME_NEWS_ARTICLE')) $seo_pages[] = FILENAME_NEWS_ARTICLE
;
if (defined('FILENAME_NEWS_COMMENTS')) $seo_pages[] = FILENAME_NEWS_COMMENTS
;
if (defined('FILENAME_NEWS_ARCHIVE')) $seo_pages[] = FILENAME_NEWS_ARCHIVE
;
if (defined('FILENAME_NEWS_RSS')) $seo_pages[] = FILENAME_NEWS_RSS
;
// Info Manager (Open Operations)
if (defined('FILENAME_INFO_MANAGER')) $seo_pages[] = FILENAME_INFO_MANAGER
;
$this->attributes = array(
'PHP_VERSION' => PHP_VERSION,
'SESSION_STARTED' => $session_started,
'SID' => (defined('SID') && $this->not_null(SID
) ? SID
: ''),
'SEO_ENABLED' => defined('SEO_ENABLED') ? SEO_ENABLED
: 'false',
'SEO_ADD_CPATH_TO_PRODUCT_URLS' => defined('SEO_ADD_CPATH_TO_PRODUCT_URLS') ? SEO_ADD_CPATH_TO_PRODUCT_URLS
: 'false',
'SEO_ADD_CAT_PARENT' => defined('SEO_ADD_CAT_PARENT') ? SEO_ADD_CAT_PARENT
: 'true',
'SEO_URLS_USE_W3C_VALID' => defined('SEO_URLS_USE_W3C_VALID') ? SEO_URLS_USE_W3C_VALID
: 'true',
'USE_SEO_CACHE_GLOBAL' => defined('USE_SEO_CACHE_GLOBAL') ? USE_SEO_CACHE_GLOBAL
: 'false',
'USE_SEO_CACHE_PRODUCTS' => defined('USE_SEO_CACHE_PRODUCTS') ? USE_SEO_CACHE_PRODUCTS
: 'false',
'USE_SEO_CACHE_CATEGORIES' => defined('USE_SEO_CACHE_CATEGORIES') ? USE_SEO_CACHE_CATEGORIES
: 'false',
'USE_SEO_CACHE_MANUFACTURERS' => defined('USE_SEO_CACHE_MANUFACTURERS') ? USE_SEO_CACHE_MANUFACTURERS
: 'false',
'USE_SEO_CACHE_ARTICLES' => defined('USE_SEO_CACHE_ARTICLES') ? USE_SEO_CACHE_ARTICLES
: 'false',
'USE_SEO_CACHE_INFO_PAGES' => defined('USE_SEO_CACHE_INFO_PAGES') ? USE_SEO_CACHE_INFO_PAGES
: 'false',
'USE_SEO_CACHE_EZ_PAGES' => defined('USE_SEO_CACHE_EZ_PAGES') ? USE_SEO_CACHE_EZ_PAGES
: 'false',
'USE_SEO_REDIRECT' => defined('USE_SEO_REDIRECT') ? USE_SEO_REDIRECT
: 'false',
'SEO_REWRITE_TYPE' => defined('SEO_REWRITE_TYPE') ? SEO_REWRITE_TYPE
: 'false',
'SEO_URLS_FILTER_SHORT_WORDS' => defined('SEO_URLS_FILTER_SHORT_WORDS') ? SEO_URLS_FILTER_SHORT_WORDS
: 'false',
'SEO_CHAR_CONVERT_SET' => defined('SEO_CHAR_CONVERT_SET') ?
$this->expand(SEO_CHAR_CONVERT_SET
) : 'false',
'SEO_REMOVE_ALL_SPEC_CHARS' => defined('SEO_REMOVE_ALL_SPEC_CHARS') ? SEO_REMOVE_ALL_SPEC_CHARS
: 'false',
'SEO_PAGES' => $seo_pages,
'SEO_INSTALLER' => $this->installer->attributes
);
$this->base_url = HTTP_SERVER;
$this->base_url_ssl = HTTPS_SERVER;
$this->reg_anchors = array(
'products_id' => '-p-',
'cPath' => '-c-',
'manufacturers_id' => '-m-',
'pID' => '-pi-',
'products_id_review' => '-pr-',
'products_id_review_info' => '-pri-',
// News & Article Manager SEO support
'news_article_id' => '-a-',
'news_comments_article_id' => '-a-',
'news_dates' => '/',
'news_archive_dates' => '/archive/',
'news_rss_feed' => '/rss',
// Info Manager (Open Operations)
'info_manager_page_id' => '-i-',
// EZ-Pages SEO support
'id' => '-ezp-',
);
if ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true'){
$this->cache_file = 'seo_urls_v2_';
$this->cache_gc();
if ( $this->attributes['USE_SEO_CACHE_PRODUCTS'] == 'true' ) $this->generate_products_cache();
if ( $this->attributes['USE_SEO_CACHE_CATEGORIES'] == 'true' ) $this->generate_categories_cache();
if ( $this->attributes['USE_SEO_CACHE_MANUFACTURERS'] == 'true' ) $this->generate_manufacturers_cache();
if ( $this->attributes['USE_SEO_CACHE_ARTICLES'] == 'true' && defined('TABLE_NEWS_ARTICLES_TEXT')) $this->generate_news_articles_cache();
if ( $this->attributes['USE_SEO_CACHE_INFO_PAGES'] == 'true' && defined('TABLE_INFO_MANAGER')) $this->generate_info_manager_cache();
if ( $this->attributes['USE_SEO_CACHE_EZ_PAGES'] == 'true' ) $this->generate_ezpages_cache();
}
if ($this->attributes['USE_SEO_REDIRECT'] == 'true'){
$this->check_redirect();
} # end if
} # end constructor
function href_link($page = '', $parameters = '', $connection = 'NONSSL', $add_session_id = true, $static = false, $use_dir_ws_catalog = true) {
// don't rewrite when disabled
// don't rewrite images, css, js, xml, real html files, etc
if ( ($this->attributes['SEO_ENABLED'] == 'false') || (preg_match('/(.+)\.(html?|xml|css|js|png|jpe?g|gif|bmp|tiff?|ico|gz|zip|rar)$/i', $page)) ) {
return $this->stock_href_link($page, $parameters, $connection, $add_session_id, true, $static, $use_dir_ws_catalog);
}
// don't rewrite the paypal IPN notify url
if ($page == 'ipn_main_handler.php') {
return $this->stock_href_link($page, $parameters, $connection, $add_session_id, true, $static, $use_dir_ws_catalog);
}
// don't rewrite the zhifubao ATN notify url
if ($page == 'atn_main_handler.php') {
return $this->stock_href_link($page, $parameters, $connection, $add_session_id, true, $static, $use_dir_ws_catalog);
}
if ((!in_array($page, $this->attributes['SEO_PAGES'])) || (($page == FILENAME_DEFAULT
) && (!preg_match('/(cpath|manufacturers_id)/i', $parameters)))) {
if ($page == FILENAME_DEFAULT) {
$page = '';
} else {
$page = $page . '.html';
}
}
if ($connection == 'NONSSL') {
$link = $this->base_url;
} elseif ($connection == 'SSL') {
if (ENABLE_SSL == 'true') {
$link = $this->base_url_ssl ;
} else {
$link = $this->base_url;
}
}
if ($use_dir_ws_catalog) {
if ($connection == 'SSL' && ENABLE_SSL == 'true') {
$link .= DIR_WS_HTTPS_CATALOG;
} else {
$link .= DIR_WS_CATALOG;
}
}
$separator = '&';
} else {
$separator = '?';
}
if ($this->not_null($parameters)) {
$link .= $this->parse_parameters($page, $parameters, $separator);
} else {
// support SEO pages with no parameters
switch ($page) {
case FILENAME_NEWS_RSS:
$link .= $this->make_url($page, FILENAME_NEWS_INDEX, 'news_rss_feed', '', '.xml', $separator);
break;
case FILENAME_NEWS_ARCHIVE:
$link .= $this->make_url($page, FILENAME_NEWS_INDEX, 'news_archive_dates', '', '', $separator);
break;
case FILENAME_NEWS_INDEX:
$link .= $this->make_url($page, FILENAME_NEWS_INDEX, 'news_dates', '', '', $separator);
break;
default:
$link .= $page;
break;
}
}
$link = $this->add_sid($link, $add_session_id, $connection, $separator);
switch($this->attributes['SEO_URLS_USE_W3C_VALID']){
case 'true':
if (!isset($_SESSION['customer_id']) && defined('ENABLE_PAGE_CACHE') && ENABLE_PAGE_CACHE
== 'true' && class_exists('page_cache')){
return $link;
} else {
}
break;
case 'false':
default:
return $link;
break;
}
} # end function
function stock_href_link($page = '', $parameters = '', $connection = 'NONSSL', $add_session_id = true, $search_engine_safe = true, $static = false, $use_dir_ws_catalog = true) {
global $request_type, $session_started, $http_domain, $https_domain;
if (!$this->not_null($page)) {
die('</td></tr></table></td></tr></table><br /><br /><strong class="note">Error!<br /><br />Unable to determine the page link!</strong><br /><br />');
}
if ($connection == 'NONSSL') {
$link = HTTP_SERVER;
} elseif ($connection == 'SSL') {
if (ENABLE_SSL == 'true') {
$link = HTTPS_SERVER ;
} else {
$link = HTTP_SERVER;
}
} else {
die('</td></tr></table></td></tr></table><br /><br /><strong class="note">Error!<br /><br />Unable to determine connection method on a link!<br /><br />Known methods: NONSSL SSL</strong><br /><br />');
}
if ($use_dir_ws_catalog) {
if ($connection == 'SSL') {
$link .= DIR_WS_HTTPS_CATALOG;
} else {
$link .= DIR_WS_CATALOG;
}
}
if (!$static) {
if ($this->not_null($parameters)) {
$link .= 'index.php?main_page='. $page . "&" . $this->output_string($parameters);
} else {
$link .= 'index.php?main_page=' . $page;
}
} else {
if ($this->not_null($parameters)) {
$link .= $page . "?" . $this->output_string($parameters);
} else {
$link .= $page;
}
}
$separator = '&';
while ( (substr($link, -1) == '&') || (substr($link, -1) == '?') ) $link = substr($link, 0, -1);
if ( ($add_session_id == true) && ($session_started == true) && (SESSION_FORCE_COOKIE_USE == 'False') ) {
if ($this->not_null($this->attributes['SID'])) {
$_sid = $this->attributes['SID'];
} elseif ( ( ($request_type == 'NONSSL') && ($connection == 'SSL') && (ENABLE_SSL == 'true') ) || ( ($request_type == 'SSL') && ($connection == 'NONSSL') ) ) {
if ($http_domain != $https_domain) {
}
}
}
// clean up the link before processing
while (strstr($link, '&&')) $link = str_replace('&&', '&', $link);
switch(true){
case (!isset($_SESSION['customer_id']) && defined('ENABLE_PAGE_CACHE') && ENABLE_PAGE_CACHE
== 'true' && class_exists('page_cache')):
$page_cache = true;
$return = $link . $separator . '<zensid>';
break;
$page_cache = false;
$return = $link . $separator . $_sid;
break;
default:
$page_cache = false;
$return = $link;
break;
}
$this->cache['STANDARD_URLS'][] = $link;
switch(true){
case ($this->attributes['SEO_URLS_USE_W3C_VALID'] == 'true' && !$page_cache):
break;
default:
return $return;
break;
}# end swtich
} # end default tep_href function
function add_sid($link, $add_session_id, $connection, $separator) {
global $request_type, $http_domain, $https_domain;
if ( ($add_session_id == true) && ($this->attributes['SESSION_STARTED']) && (SESSION_FORCE_COOKIE_USE == 'False') ) {
if ($this->not_null($this->attributes['SID'])) {
$_sid = $this->attributes['SID'];
} elseif ( ( ($request_type == 'NONSSL') && ($connection == 'SSL') && (ENABLE_SSL == 'true') ) || ( ($request_type == 'SSL') && ($connection == 'NONSSL') ) ) {
if ($http_domain != $https_domain) {
}
}
}
switch(true){
case (!isset($_SESSION['customer_id']) && defined('ENABLE_PAGE_CACHE') && ENABLE_PAGE_CACHE
== 'true' && class_exists('page_cache')):
$return = $link . $separator . '<zensid>';
break;
case ($this->not_null($_sid)):
$return = $link . $separator . $_sid;
break;
default:
$return = $link;
break;
} # end switch
return $return;
} # end function
/**
* Function to parse the parameters into an SEO URL
* @author Bobby Easland
* @version 1.2
* @param string $page
* @param string $params
* @param string $separator NOTE: passed by reference
* @return string
*/
function parse_parameters($page, $params, &$separator) {
foreach ($p as $index => $valuepair){
switch ($p2[0]){
case 'article_id':
switch(true) {
case ($page == FILENAME_NEWS_ARTICLE):
$url = $this->make_url($page, 'news/' . $this->get_news_article_name($p2[1]), 'news_article_id', $p2[1], '.html', $separator);
break;
case ($page == FILENAME_NEWS_COMMENTS):
$url = $this->make_url($page, 'news/' . $this->get_news_article_name($p2[1]), 'news_comments_article_id', $p2[1], '-comments.html', $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
}
break;
case 'date':
switch(true) {
case ($page == FILENAME_NEWS_ARCHIVE):
$url = $this->make_url($page, FILENAME_NEWS_INDEX, 'news_archive_dates', $p2[1], '.html', $separator);
break;
case ($page == FILENAME_NEWS_INDEX):
$url = $this->make_url($page, FILENAME_NEWS_INDEX, 'news_dates', $p2[1], '.html', $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
}
break;
case 'pages_id':
switch(true) {
case ($page == FILENAME_INFO_MANAGER):
$url = $this->make_url($page, $this->get_info_manager_page_name($p2[1]), 'info_manager_page_id', $p2[1], '.html', $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
}
break;
case 'products_id':
switch(true) {
// case ($page == FILENAME_PRODUCT_INFO && !$this->is_attribute_string($params)):
case ($page == FILENAME_PRODUCT_INFO):
$url = $this->make_url($page, $this->get_product_name($p2[1]), $p2[0], $p2[1], '.html', $separator);
break;
case ($page == FILENAME_PRODUCT_REVIEWS):
$url = $this->make_url($page, $this->get_product_name($p2[1]), 'products_id_review', $p2[1], '.html', $separator);
break;
case ($page == FILENAME_PRODUCT_REVIEWS_INFO):
$url = $this->make_url($page, $this->get_product_name($p2[1]), 'products_id_review_info', $p2[1], '.html', $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
break;
case 'cPath':
switch(true){
case ($page == FILENAME_DEFAULT):
$url = $this->make_url($page, $this->get_category_name($p2[1]), $p2[0], $p2[1], '.html', $separator);
break;
case ($this->is_product_string($params)):
if ($this->attributes['SEO_ADD_CPATH_TO_PRODUCT_URLS'] == 'true') {
$container[$p2[0]] = $p2[1];
}
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
break;
case 'manufacturers_id':
switch(true){
case ($page == FILENAME_DEFAULT && !$this->is_cPath_string($params) && !$this->is_product_string($params)):
$url = $this->make_url($page, $this->get_manufacturer_name($p2[1]), $p2[0], $p2[1], '.html', $separator);
break;
case ($page == FILENAME_PRODUCT_INFO):
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
break;
case 'pID':
switch(true){
case ($page == FILENAME_POPUP_IMAGE):
$url = $this->make_url($page, $this->get_product_name($p2[1]), $p2[0], $p2[1], '.html', $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
break;
case 'id': // EZ-Pages
switch(true){
case ($page == FILENAME_EZPAGES):
$url = $this->make_url($page, $this->get_ezpages_name($p2[1]), $p2[0], $p2[1], '.html', $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
} # end foreach $p
$url = isset($url) ?
$url : $page;
if ( sizeof($container) > 0 ){
if ( $imploded_params = $this->implode_assoc($container) ){
$url .= $separator . $this->output_string( $imploded_params );
$separator = '&';
}
}
return $url;
} # end function
/**
* Function to return the generated SEO URL
* @author Bobby Easland
* @version 1.0
* @param string $page
* @param string $string Stripped, formed anchor
* @param string $anchor_type Parameter type (products_id, cPath, etc.)
* @param integer $id
* @param string $extension Default = .html
* @param string $separator NOTE: passed by reference
* @return string
*/
function make_url($page, $string, $anchor_type, $id, $extension = '.html', &$separator){
// Right now there is but one rewrite method since cName was dropped
// In the future there will be additional methods here in the switch
switch ( $this->attributes['SEO_REWRITE_TYPE'] ){
case 'Rewrite':
return $string . $this->reg_anchors[$anchor_type] . $id . $extension;
break;
default:
break;
} # end switch
} # end function
function get_info_manager_page_name($pages_id) {
switch(true){
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('INFO_MANAGER_PAGE_NAME_' . $pages_id)):
$return = constant('INFO_MANAGER_PAGE_NAME_' . $pages_id);
$this->cache['INFO_MANAGER_PAGES'][$pages_id] = $return;
break;
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['INFO_MANAGER_PAGES'][$pages_id])):
$return = $this->cache['INFO_MANAGER_PAGES'][$pages_id];
break;
default:
$sql = "SELECT pages_title
FROM " . TABLE_INFO_MANAGER . "
WHERE pages_id = " . (int)$pages_id . "
LIMIT 1";
$result = $this->db->Execute($sql);
$pages_title = $this->strip($result->fields['pages_title']);
$this->cache['INFO_MANAGER_PAGES'][$pages_id] = $pages_title;
$return = $pages_title;
break;
}
return $return;
}
function get_news_article_name($article_id) {
switch(true){
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('NEWS_ARTICLE_NAME_' . $article_id)):
$return = constant('NEWS_ARTICLE_NAME_' . $article_id);
$this->cache['NEWS_ARTICLES'][$article_id] = $return;
break;
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['NEWS_ARTICLES'][$article_id])):
$return = $this->cache['NEWS_ARTICLES'][$article_id];
break;
default:
$sql = "SELECT news_article_name
FROM " . TABLE_NEWS_ARTICLES_TEXT . "
WHERE article_id = " . (int)$article_id . "
AND language_id = " . (int)$this->languages_id . "
LIMIT 1";
$result = $this->db->Execute($sql);
$news_article_name = $this->strip($result->fields['news_article_name']);
$this->cache['NEWS_ARTICLES'][$article_id] = $news_article_name;
$return = $news_article_name;
break;
}
return $return;
}
/**
* Function to get the product name. Use evaluated cache, per page cache, or database query in that order of precedent
* @author Bobby Easland
* @version 1.1
* @param integer $pID
* @return string Stripped anchor text
*/
function get_product_name($pID){
switch(true){
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('PRODUCT_NAME_' . $pID)):
$return = constant('PRODUCT_NAME_' . $pID);
$this->cache['PRODUCTS'][$pID] = $return;
break;
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['PRODUCTS'][$pID])):
$return = $this->cache['PRODUCTS'][$pID];
break;
default:
$sql = "SELECT products_name as pName
FROM " . TABLE_PRODUCTS_DESCRIPTION . "
WHERE products_id = " . (int)$pID . "
AND language_id = " . (int)$this->languages_id . "
LIMIT 1";
$result = $this->db->Execute($sql);
$pName = $this->strip($result->fields['pName']);
$this->cache['PRODUCTS'][$pID] = $pName;
$return = $pName;
break;
} # end switch
return $return;
} # end function
/**
* Function to get the category name. Use evaluated cache, per page cache, or database query in that order of precedent
* @author Bobby Easland
* @version 1.1
* @param integer $cID NOTE: passed by reference
* @return string Stripped anchor text
*/
function get_category_name(&$cID){
$full_cPath = $this->get_full_cPath($cID, $single_cID); // full cPath needed for uniformity
switch(true){
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('CATEGORY_NAME_' . $full_cPath)):
$return = constant('CATEGORY_NAME_' . $full_cPath);
$this->cache['CATEGORIES'][$full_cPath] = $return;
break;
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['CATEGORIES'][$full_cPath])):
$return = $this->cache['CATEGORIES'][$full_cPath];
break;
default:
switch(true){
case ($this->attributes['SEO_ADD_CAT_PARENT'] == 'true'):
$sql = "SELECT c.categories_id, c.parent_id, cd.categories_name as cName, cd2.categories_name as pName
FROM ".TABLE_CATEGORIES_DESCRIPTION." cd, ".TABLE_CATEGORIES." c
LEFT JOIN ".TABLE_CATEGORIES_DESCRIPTION." cd2
ON c.parent_id=cd2.categories_id AND cd2.language_id='".(int)$this->languages_id."'
WHERE c.categories_id='".(int)$single_cID."'
AND cd.categories_id='".(int)$single_cID."'
AND cd.language_id='".(int)$this->languages_id."'
LIMIT 1";
$result = $this->db->Execute($sql);
$cName = $this->not_null($result->fields['pName']) ? $result->fields['pName'] . ' ' . $result->fields['cName'] : $result->fields['cName'];
break;
default:
$sql = "SELECT categories_name as cName
FROM ".TABLE_CATEGORIES_DESCRIPTION."
WHERE categories_id='".(int)$single_cID."'
AND language_id='".(int)$this->languages_id."'
LIMIT 1";
$result = $this->db->Execute($sql);
$cName = $result->fields['cName'];
break;
}
$cName = $this->strip($cName);
$this->cache['CATEGORIES'][$full_cPath] = $cName;
$return = $cName;
break;
} # end switch
$cID = $full_cPath;
return $return;
} # end function
/**
* Function to get the manufacturer name. Use evaluated cache, per page cache, or database query in that order of precedent.
* @author Bobby Easland
* @version 1.1
* @param integer $mID
* @return string
*/
function get_manufacturer_name($mID){
switch(true){
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('MANUFACTURER_NAME_' . $mID)):
$return = constant('MANUFACTURER_NAME_' . $mID);
$this->cache['MANUFACTURERS'][$mID] = $return;
break;
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['MANUFACTURERS'][$mID])):
$return = $this->cache['MANUFACTURERS'][$mID];
break;
default:
$sql = "SELECT manufacturers_name as mName
FROM ".TABLE_MANUFACTURERS."
WHERE manufacturers_id='".(int)$mID."'
LIMIT 1";
$result = $this->db->Execute($sql);
$mName = $this->strip($result->fields['mName']);
$this->cache['MANUFACTURERS'][$mID] = $mName;
$return = $mName;
break;
} # end switch
return $return;
} # end function
/**
* Function to get the EZ-Pages name. Use evaluated cache, per page cache, or database query in that order of precedent.
* @author Bobby Easland, Ronald Crawford
* @version 1.0
* @param integer $mID
* @return string
*/
function get_ezpages_name($ezpID){
switch(true){
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('EZPAGES_NAME_' . $ezpID)):
$return = constant('EZPAGES_NAME_' . $ezpID);
$this->cache['EZPAGES'][$ezpID] = $return;
break;
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['EZPAGES'][$ezpID])):
$return = $this->cache['EZPAGES'][$ezpID];
break;
default:
$sql = "SELECT pages_title as ezpName
FROM ".TABLE_EZPAGES."
WHERE pages_id='".(int)$ezpID."'
LIMIT 1";
$result = $this->db->Execute($sql);
$ezpName = $this->strip($result->fields['ezpName']);
$this->cache['EZPAGES'][$ezpID] = $ezpName;
$return = $ezpName;
break;
} # end switch
return $return;
} # end function
/**
* Function to retrieve full cPath from category ID
* @author Bobby Easland
* @version 1.1
* @param mixed $cID Could contain cPath or single category_id
* @param integer $original Single category_id passed back by reference
* @return string Full cPath string
*/
function get_full_cPath($cID, &$original){
$original = $temp[sizeof($temp)-1];
return $cID;
} else {
$this->GetParentCategories($c, $cID);
$c[] = $cID;
$original = $cID;
return $cID;
}
} # end function
/**
* Recursion function to retrieve parent categories from category ID
* @author Bobby Easland
* @version 1.0
* @param mixed $categories Passed by reference
* @param integer $categories_id
*/
function GetParentCategories(&$categories, $categories_id) {
$sql = "SELECT parent_id FROM " . TABLE_CATEGORIES . " WHERE categories_id = " . (int)$categories_id;
$parent_categories = $this->db->Execute($sql);
while (!$parent_categories->EOF) {
if ($parent_categories->fields['parent_id'] == 0) return true;
$categories[sizeof($categories)] = $parent_categories->fields['parent_id'];
if ($parent_categories->fields['parent_id'] != $categories_id) {
$this->GetParentCategories($categories, $parent_categories->fields['parent_id']);
}
$parent_categories->MoveNext();
}
}
function not_null($value) {
return zen_not_null($value);
}
function is_attribute_string($params){
if (preg_match('/products_id=([0-9]+):([a-zA-z0-9]{32})/', $params)) {
return true;
}
return false;
}
function is_product_string($params) {
return true;
}
return false;
}
function is_cPath_string($params) {
return true;
}
return false;
}
/**
* Function to strip the string of punctuation and white space
* @author Bobby Easland
* @version 1.1
* @param string $string
* @return string Stripped text. Removes all non-alphanumeric characters.
*/
function strip($string){
if ( is_array($this->attributes['SEO_CHAR_CONVERT_SET']) ) $string = strtr($string, $this->attributes['SEO_CHAR_CONVERT_SET']);
$pattern = $this->attributes['SEO_REMOVE_ALL_SPEC_CHARS'] == 'true'
? "([^[:alnum:]])+"
: "([[:punct:]])+";
$pattern = "([[:space:]]|[[:blank:]])+";
return $this->short_name($anchor); // return the short filtered name
} # end function
/**
* Function to expand the SEO_CONVERT_SET group
* @author Bobby Easland
* @version 1.0
* @param string $set
* @return mixed
*/
function expand($set){
if ( $this->not_null($set) ){
if ( $data = @explode(',', $set) ){
foreach ( $data as $index => $valuepair){
}
return $container;
} else {
return 'false';
}
} else {
return 'false';
}
} # end function
/**
* Function to return the short word filtered string
* @author Bobby Easland
* @version 1.0
* @param string $str
* @param integer $limit
* @return string Short word filtered
*/
function short_name($str, $limit=3){
if ( $this->attributes['SEO_URLS_FILTER_SHORT_WORDS'] != 'false' ) $limit = (int)$this->attributes['SEO_URLS_FILTER_SHORT_WORDS'];
foreach($foo as $index => $value){
switch (true){
case ( strlen($value) <= $limit ):
continue;
default:
$container[] = $value;
break;
}
} # end foreach
$container = ( sizeof($container) > 1 ?
implode('-', $container) : $str );
return $container;
}
/**
* Function to implode an associative array
* @author Bobby Easland
* @version 1.0
* @param array $array Associative data array
* @param string $inner_glue
* @param string $outer_glue
* @return string
*/
function implode_assoc($array, $inner_glue='=', $outer_glue='&') {
foreach( $array as $key => $item ){
if ( $this->not_null($key) && $this->not_null($item) ){
$output[] = $key . $inner_glue . $item;
}
} # end foreach
return @implode($outer_glue, $output);
}
/**
* Function to translate a string
* @author Bobby Easland
* @version 1.0
* @param string $data String to be translated
* @param array $parse Array of tarnslation variables
* @return string
*/
function parse_input_field_data($data, $parse) {
}
/**
* Function to output a translated or sanitized string
* @author Bobby Easland
* @version 1.0
* @param string $sting String to be output
* @param mixed $translate Array of translation characters
* @param boolean $protected Switch for htemlspecialchars processing
* @return string
*/
function output_string($string, $translate = false, $protected = false) {
if ($protected == true) {
} else {
if ($translate == false) {
return $this->parse_input_field_data($string, array('"' => '"'));
} else {
return $this->parse_input_field_data($string, $translate);
}
}
}
/**
* Function to generate EZ-Pages cache entries
* @author Bobby Easland, Ronald Crawford
* @version 1.0
*/
function generate_ezpages_cache(){
$this->is_cached($this->cache_file . 'ezpages', $is_cached, $is_expired);
if ( !$is_cached || $is_expired ) {
$sql = "SELECT pages_id as id, pages_title as name
FROM ".TABLE_EZPAGES."
WHERE language_id = '".(int)$this->languages_id."'";
$ezpages = $this->db->Execute($sql);
$ezpages_cache = '';
while (!$ezpages->EOF) {
$define = 'define(\'EZPAGES_NAME_' . $ezpages->fields['id'] . '\', \'' . $this->strip($ezpages->fields['name']) . '\');';
$ezpages_cache .= $define . "\n";
$product->MoveNext();
}
$this->save_cache($this->cache_file . 'ezpages', $ezpages_cache, 'EVAL', 1 , 1);
} else {
$this->get_cache($this->cache_file . 'ezpages');
}
} # end function
/**
* Function to generate products cache entries
* @author Bobby Easland
* @version 1.0
*/
function generate_products_cache(){
$this->is_cached($this->cache_file . 'products', $is_cached, $is_expired);
if ( !$is_cached || $is_expired ) {
$sql = "SELECT p.products_id as id, pd.products_name as name
FROM ".TABLE_PRODUCTS." p
LEFT JOIN ".TABLE_PRODUCTS_DESCRIPTION." pd
ON p.products_id=pd.products_id
AND pd.language_id='".(int)$this->languages_id."'
WHERE p.products_status='1'";
$product = $this->db->Execute($sql);
$prod_cache = '';
while (!$product->EOF) {
$define = 'define(\'PRODUCT_NAME_' . $product->fields['id'] . '\', \'' . $this->strip($product->fields['name']) . '\');';
$prod_cache .= $define . "\n";
$product->MoveNext();
}
$this->save_cache($this->cache_file . 'products', $prod_cache, 'EVAL', 1 , 1);
} else {
$this->get_cache($this->cache_file . 'products');
}
} # end function
/**
* Function to generate manufacturers cache entries
* @author Bobby Easland
* @version 1.0
*/
function generate_manufacturers_cache(){
$this->is_cached($this->cache_file . 'manufacturers', $is_cached, $is_expired);
if ( !$is_cached || $is_expired ) { // it's not cached so create it
$sql = "SELECT m.manufacturers_id as id, m.manufacturers_name as name
FROM ".TABLE_MANUFACTURERS." m
LEFT JOIN ".TABLE_MANUFACTURERS_INFO." md
ON m.manufacturers_id=md.manufacturers_id
AND md.languages_id='".(int)$this->languages_id."'";
$manufacturers = $this->db->Execute($sql);
$man_cache = '';
while (!$manufacturers->EOF) {
$define = 'define(\'MANUFACTURER_NAME_' . $manufacturer->fields['id'] . '\', \'' . $this->strip($manufacturer->fields['name']) . '\');';
$man_cache .= $define . "\n";
$manufacturers->MoveNext();
}
$this->save_cache($this->cache_file . 'manufacturers', $man_cache, 'EVAL', 1 , 1);
} else {
$this->get_cache($this->cache_file . 'manufacturers');
}
} # end function
/**
* Function to generate categories cache entries
* @author Bobby Easland
* @version 1.1
*/
function generate_categories_cache(){
$this->is_cached($this->cache_file . 'categories', $is_cached, $is_expired);
if ( !$is_cached || $is_expired ) { // it's not cached so create it
switch(true){
case ($this->attributes['SEO_ADD_CAT_PARENT'] == 'true'):
$sql = "SELECT c.categories_id as id, c.parent_id, cd.categories_name as cName, cd2.categories_name as pName
FROM ".TABLE_CATEGORIES." c
LEFT JOIN ".TABLE_CATEGORIES_DESCRIPTION." cd2
ON c.parent_id=cd2.categories_id AND cd2.language_id='".(int)$this->languages_id."',
".TABLE_CATEGORIES_DESCRIPTION." cd
WHERE c.categories_id=cd.categories_id
AND cd.language_id='".(int)$this->languages_id."'";
//IMAGINADW.COM;
break;
default:
$sql = "SELECT categories_id as id, categories_name as cName
FROM ".TABLE_CATEGORIES_DESCRIPTION."
WHERE language_id='".(int)$this->languages_id."'";
break;
} # end switch
$category = $this->db->Execute($sql);
$cat_cache = '';
while (!$category->EOF) {
$id = $this->get_full_cPath($category->fields['id'], $single_cID);
$name = $this->not_null($category->fields['pName']) ? $category->fields['pName'] . ' ' . $category->fields['cName'] : $category->fields['cName'];
$define = 'define(\'CATEGORY_NAME_' . $id . '\', \'' . $this->strip($name) . '\');';
$cat_cache .= $define . "\n";
$category->MoveNext();
}
$this->save_cache($this->cache_file . 'categories', $cat_cache, 'EVAL', 1 , 1);
} else {
$this->get_cache($this->cache_file . 'categories');
}
} # end function
/**
* Function to generate articles cache entries
* @author Bobby Easland
* @version 1.0
*/
function generate_news_articles_cache(){
$this->is_cached($this->cache_file . 'news_articles', $is_cached, $is_expired);
if ( !$is_cached || $is_expired ) { // it's not cached so create it
$sql = "SELECT article_id as id, news_article_name as name
FROM ".TABLE_NEWS_ARTICLES_TEXT."
WHERE language_id = '".(int)$this->languages_id."'";
$article = $this->db->Execute($sql);
$article_cache = '';
while (!$article->EOF) {
$define = 'define(\'NEWS_ARTICLE_NAME_' . $article->fields['id'] . '\', \'' . $this->strip($article->fields['name']) . '\');';
$article_cache .= $define . "\n";
$article->MoveNext();
}
$this->save_cache($this->cache_file . 'news_articles', $article_cache, 'EVAL', 1 , 1);
} else {
$this->get_cache($this->cache_file . 'news_articles');
}
} # end function
/**
* Function to generate information cache entries
* @author Bobby Easland
* @version 1.0
*/
function generate_info_manager_cache(){
$this->is_cached($this->cache_file . 'info_manager', $is_cached, $is_expired);
if ( !$is_cached || $is_expired ) { // it's not cached so create it
$sql = "SELECT pages_id as id, pages_title as name
FROM ".TABLE_INFO_MANAGER;
$information = $this->db->Execute($sql);
$information_cache = '';
while (!$information->EOF) {
$define = 'define(\'INFO_MANAGER_PAGE_NAME_' . $information->fields['id'] . '\', \'' . $this->strip($information->fields['name']) . '\');';
$information_cache .= $define . "\n";
$information->MoveNext();
}
$this->save_cache($this->cache_file . 'info_manager', $information_cache, 'EVAL', 1 , 1);
unset($information_cache);
} else {
$this->get_cache($this->cache_file . 'info_manager');
}
} # end function
/**
* Function to save the cache to database
* @author Bobby Easland
* @version 1.0
* @param string $name Cache name
* @param mixed $value Can be array, string, PHP code, or just about anything
* @param string $method RETURN, ARRAY, EVAL
* @param integer $gzip Enables compression
* @param integer $global Sets whether cache record is global is scope
* @param string $expires Sets the expiration
*/
function save_cache($name, $value, $method='RETURN', $gzip=1, $global=0, $expires = '30 days'){
if ($method == 'ARRAY') $value = serialize($value);
'cache_id' => md5($name),
'cache_language_id' => (int)$this->languages_id,
'cache_name' => $name,
'cache_data' => $value,
'cache_global' => (int)$global,
'cache_gzip' => (int)$gzip,
'cache_method' => $method,
'cache_date' => date("Y-m-d H:i:s"),
'cache_expires' => $expires
);
$this->is_cached($name, $is_cached, $is_expired);
$cache_check = ( $is_cached ? 'true' : 'false' );
switch ( $cache_check ) {
case 'true':
zen_db_perform
(TABLE_SEO_CACHE
, $sql_data_array, 'update', "cache_id='".md5($name)."'");
break;
case 'false':
zen_db_perform(TABLE_SEO_CACHE, $sql_data_array, 'insert');
break;
default:
break;
} # end switch ($cache check)
# unset the variables...clean as we go
unset($value, $expires, $sql_data_array);
}# end function save_cache()
/**
* Function to get cache entry
* @author Bobby Easland
* @version 1.0
* @param string $name
* @param boolean $local_memory
* @return mixed
*/
function get_cache($name = 'GLOBAL', $local_memory = false){
$select_list = 'cache_id, cache_language_id, cache_name, cache_data, cache_global, cache_gzip, cache_method, cache_date, cache_expires';
$global = ( $name == 'GLOBAL' ? true : false ); // was GLOBAL passed or is using the default?
switch($name){
case 'GLOBAL':
$cache = $this->db->Execute("SELECT ".$select_list." FROM " . TABLE_SEO_CACHE . " WHERE cache_language_id='".(int)$this->languages_id."' AND cache_global='1'");
break;
default:
$cache = $this->db->Execute("SELECT ".$select_list." FROM " . TABLE_SEO_CACHE
. " WHERE cache_id='".md5($name)."' AND cache_language_id='".(int
)$this->languages_id."'");
break;
}
$num_rows = $cache->RecordCount();
if ($num_rows){
while(!$cache->EOF){
$cache_name = $cache->fields['cache_name'];
if ( $cache->fields['cache_expires'] > date("Y-m-d H:i:s") ) {
switch($cache->fields['cache_method']){
case 'EVAL': // must be PHP code
break;
case 'ARRAY':
case 'RETURN':
default:
break;
} # end switch ($cache['cache_method'])
if ($global) $container['GLOBAL'][$cache_name] = $cache_data;
else $container[$cache_name] = $cache_data; // not global
} else { // cache is expired
if ($global) $container['GLOBAL'][$cache_name] = false;
else $container[$cache_name] = false;
}# end if ( $cache['cache_expires'] > date("Y-m-d H:i:s") )
if ( $this->keep_in_memory || $local_memory ) {
if ($global) $this->data['GLOBAL'][$cache_name] = $container['GLOBAL'][$cache_name];
else $this->data[$cache_name] = $container[$cache_name];
}
$cache->MoveNext();
} # end while ($cache = $this->DB->FetchArray($this->cache_query))
switch (true) {
case ($num_rows == 1):
if ($global){
if ($container['GLOBAL'][$cache_name] == false || !isset($container['GLOBAL'][$cache_name])) return false;
else return $container['GLOBAL'][$cache_name];
} else { // not global
if ($container[$cache_name] == false || !isset($container[$cache_name])) return false;
else return $container[$cache_name];
} # end if ($global)
case ($num_rows > 1):
default:
return $container;
break;
}# end switch (true)
} else {
return false;
}# end if ( $num_rows )
} # end function get_cache()
/**
* Function to get cache from memory
* @author Bobby Easland
* @version 1.0
* @param string $name
* @param string $method
* @return mixed
*/
function get_cache_memory($name, $method = 'RETURN'){
$data = ( isset($this->data['GLOBAL'][$name]) ?
$this->data['GLOBAL'][$name] : $this->data[$name] );
if ( isset($data) && !empty($data) && $data != false ){
switch($method){
case 'EVAL': // data must be PHP
return true;
break;
case 'ARRAY':
case 'RETURN':
default:
return $data;
break;
} # end switch ($method)
} else {
return false;
} # end if (isset($data) && !empty($data) && $data != false)
} # end function get_cache_memory()
/**
* Function to perform basic garbage collection for database cache system
* @author Bobby Easland
* @version 1.0
*/
function cache_gc(){
$this->db->Execute("DELETE FROM " . TABLE_SEO_CACHE
. " WHERE cache_expires <= '" . date("Y-m-d H:i:s") . "'");
}
/**
* Function to check if the cache is in the database and expired
* @author Bobby Easland
* @version 1.0
* @param string $name
* @param boolean $is_cached NOTE: passed by reference
* @param boolean $is_expired NOTE: passed by reference
*/
function is_cached($name, &$is_cached, &$is_expired){ // NOTE: $is_cached and $is_expired is passed by reference !!
$this->cache_query = $this->db->Execute("SELECT cache_expires FROM " . TABLE_SEO_CACHE
. " WHERE cache_id='".md5($name)."' AND cache_language_id='".(int
)$this->languages_id."' LIMIT 1");
$is_cached = ( $this->cache_query->RecordCount() > 0 ? true : false );
if ($is_cached){
$is_expired = ( $this->cache_query->fields['cache_expires'] <= date("Y-m-d H:i:s") ?
true : false );
}
}# end function is_cached()
/**
* Function to initialize the redirect logic
* @author Bobby Easland
* @version 1.1
*/
function check_redirect(){
$this->need_redirect = false;
$this->real_uri = ltrim( basename($_SERVER['SCRIPT_NAME']) . '?' . $_SERVER['QUERY_STRING'], '/' );
// damn zen cart attributes use illegal url characters
if ($this->is_attribute_string($this->uri)) {
$this->uri_parsed = parse_url($parsed_url['scheme']);
$this->uri_parsed['query'] = preg_replace('/products_id=([0-9]+)/', 'products_id=$1:' . $parsed_url['path'], $this->uri_parsed['query']);
} else {
}
$this->attributes['SEO_REDIRECT']['URI'] = $this->uri;
$this->attributes['SEO_REDIRECT']['REAL_URI'] = $this->real_uri;
$this->attributes['SEO_REDIRECT']['URI_PARSED'] = $this->uri_parsed;
$this->need_redirect();
$this->check_seo_page();
if ($this->need_redirect && $this->is_seopage && $this->attributes['USE_SEO_REDIRECT'] == 'true') {
$this->do_redirect();
}
} # end function
/**
* Function to check if the URL needs to be redirected
* @author Bobby Easland
* @version 1.2
*/
function need_redirect() {
$this->need_redirect = ((preg_match('/main_page=/i', $this->uri)) ?
true : false);
// QUICK AND DIRTY WAY TO DISABLE REDIRECTS ON PAGES WHEN SEO_URLS_ONLY_IN is enabled IMAGINADW.COM
if ((SEO_URLS_ONLY_IN
!="") && !in_array($_GET['main_page'],$sefu) ) $this->need_redirect = false;
// IMAGINADW.COM
$this->attributes['SEO_REDIRECT']['NEED_REDIRECT'] = $this->need_redirect ? 'true' : 'false';
}
/**
* Function to check if it's a valid redirect page
* @author Bobby Easland
* @version 1.1
*/
function check_seo_page() {
if (!isset($_GET['main_page']) || (!$this->not_null($_GET['main_page']))) {
$_GET['main_page'] = 'index';
}
$this->is_seopage = (($this->attributes['SEO_ENABLED'] == 'true') ? true : false);
$this->attributes['SEO_REDIRECT']['IS_SEOPAGE'] = $this->is_seopage ? 'true' : 'false';
}
/**
* Function to perform redirect
* @author Bobby Easland
* @version 1.0
*/
function do_redirect() {
$p = @explode('&', $this->uri_parsed['query']);
foreach( $p as $index => $value ) {
if ($tmp[0] == 'main_page') continue;
switch($tmp[0]){
case 'products_id':
if ($this->is_attribute_string('products_id=' . $tmp[1])) {
$params[] = $tmp[0] . '=' . $pieces[0];
} else {
$params[] = $tmp[0] . '=' . $tmp[1];
}
break;
default:
$params[] = $tmp[0].'='.$tmp[1];
break;
}
} # end foreach( $params as $var => $value )
$params = ( sizeof($params) > 1 ?
implode('&', $params) : $params[0] );
$url = $this->href_link($_GET['main_page'], $params, 'NONSSL', false);
// cleanup url for redirection
switch($this->attributes['USE_SEO_REDIRECT']){
case 'true':
header("HTTP/1.1 301 Moved Permanently");
break;
default:
$this->attributes['SEO_REDIRECT']['REDIRECT_URL'] = $url;
break;
} # end switch
} # end function do_redirect
} # end class
?>