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<?php
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/*
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$Id: category_tree.php 199 2005-09-22 15:56:13Z hpdl $
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osCommerce, Open Source E-Commerce Solutions
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http://www.oscommerce.com
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Copyright (c) 2004 osCommerce
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Released under the GNU General Public License
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*/
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class osC_CategoryTree {
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var $root_category_id = 0,
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$max_level = 0,
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$data = array(),
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$root_start_string = '',
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$root_end_string = '',
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$parent_start_string = '',
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$parent_end_string = '',
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$parent_group_start_string = '<ul>',
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$parent_group_end_string = '</ul>',
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$child_start_string = '<li>',
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$child_end_string = '</li>',
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$breadcrumb_separator = '_',
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$breadcrumb_usage = true,
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$spacer_string = '',
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$spacer_multiplier = 1,
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$follow_cpath = false,
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$cpath_array = array(),
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$cpath_start_string = '',
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$cpath_end_string = '',
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$show_category_product_count = false,
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$category_product_count_start_string = ' (',
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$category_product_count_end_string = ')';
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function osC_CategoryTree($load_from_database = true) {
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global $osC_Database, $osC_Cache;
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if (SHOW_COUNTS == 'true') {
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$this->show_category_product_count = true;
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}
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if ($load_from_database === true) {
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if ($osC_Cache->read('category_tree-' . $_SESSION['language'], 720)) {
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$this->data = $osC_Cache->getCache();
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} else {
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$Qcategories = $osC_Database->query('select c.categories_id, cd.categories_name, c.parent_id from :table_categories c, :table_categories_description cd where c.categories_id = cd.categories_id and cd.language_id = :language_id order by c.parent_id, c.sort_order, cd.categories_name');
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$Qcategories->bindRaw(':table_categories', TABLE_CATEGORIES);
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$Qcategories->bindRaw(':table_categories_description', TABLE_CATEGORIES_DESCRIPTION);
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$Qcategories->bindInt(':language_id', $_SESSION['languages_id']);
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$Qcategories->execute();
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$this->data = array();
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while ($Qcategories->next()) {
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$this->data[$Qcategories->valueInt('parent_id')][$Qcategories->valueInt('categories_id')] = array('name' => $Qcategories->value('categories_name'), 'count' => 0);
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}
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$Qcategories->freeResult();
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if ($this->show_category_product_count === true) {
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$this->calculateCategoryProductCount();
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}
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$osC_Cache->writeBuffer($this->data);
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}
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}
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}
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function setData(&$data_array) {
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if (is_array($data_array)) {
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$this->data = array();
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for ($i=0, $n=sizeof($data_array); $i<$n; $i++) {
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$this->data[$data_array[$i]['parent_id']][$data_array[$i]['categories_id']] = array('name' => $data_array[$i]['categories_name'], 'count' => $data_array[$i]['categories_count']);
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}
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}
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}
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function buildBranch($parent_id, $level = 0) {
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$result = $this->parent_group_start_string;
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if (isset($this->data[$parent_id])) {
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foreach ($this->data[$parent_id] as $category_id => $category) {
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if ($this->breadcrumb_usage == true) {
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$category_link = $this->buildBreadcrumb($category_id);
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} else {
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$category_link = $category_id;
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}
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$result .= $this->child_start_string;
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if (isset($this->data[$category_id])) {
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$result .= $this->parent_start_string;
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}
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if ($level == 0) {
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$result .= $this->root_start_string;
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}
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$result .= str_repeat($this->spacer_string, $this->spacer_multiplier * $level) . '<a href="' . tep_href_link(FILENAME_DEFAULT, 'cPath=' . $category_link) . '">';
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if ($this->follow_cpath === true) {
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if (in_array($category_id, $this->cpath_array)) {
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$result .= $this->cpath_start_string . $category['name'] . $this->cpath_end_string;
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} else {
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$result .= $category['name'];
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}
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} else {
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$result .= $category['name'];
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}
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$result .= '</a>';
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if ($this->show_category_product_count === true) {
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$result .= $this->category_product_count_start_string . $category['count'] . $this->category_product_count_end_string;
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}
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if ($level == 0) {
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$result .= $this->root_end_string;
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}
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if (isset($this->data[$category_id])) {
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$result .= $this->parent_end_string;
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}
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$result .= $this->child_end_string;
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if (isset($this->data[$category_id]) && (($this->max_level == '0') || ($this->max_level > $level+1))) {
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if ($this->follow_cpath === true) {
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if (in_array($category_id, $this->cpath_array)) {
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$result .= $this->buildBranch($category_id, $level+1);
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}
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} else {
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$result .= $this->buildBranch($category_id, $level+1);
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}
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}
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}
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}
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$result .= $this->parent_group_end_string;
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return $result;
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}
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function buildBranchArray($parent_id, $level = 0, $result = '') {
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if (empty($result)) {
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$result = array();
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}
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if (isset($this->data[$parent_id])) {
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foreach ($this->data[$parent_id] as $category_id => $category) {
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if ($this->breadcrumb_usage == true) {
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$category_link = $this->buildBreadcrumb($category_id);
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} else {
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$category_link = $category_id;
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}
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$result[] = array('id' => $category_link,
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'title' => str_repeat($this->spacer_string, $this->spacer_multiplier * $level) . $category['name']);
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if (isset($this->data[$category_id]) && (($this->max_level == '0') || ($this->max_level > $level+1))) {
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if ($this->follow_cpath === true) {
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if (in_array($category_id, $this->cpath_array)) {
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$result = $this->buildBranchArray($category_id, $level+1, $result);
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}
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} else {
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$result = $this->buildBranchArray($category_id, $level+1, $result);
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}
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}
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}
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}
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return $result;
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}
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function buildBreadcrumb($category_id, $level = 0) {
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$breadcrumb = '';
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foreach ($this->data as $parent => $categories) {
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foreach ($categories as $id => $info) {
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if ($id == $category_id) {
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if ($level < 1) {
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$breadcrumb = $id;
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} else {
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$breadcrumb = $id . $this->breadcrumb_separator . $breadcrumb;
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}
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if ($parent != $this->root_category_id) {
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$breadcrumb = $this->buildBreadcrumb($parent, $level+1) . $breadcrumb;
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}
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}
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}
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}
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return $breadcrumb;
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}
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function buildTree() {
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return $this->buildBranch($this->root_category_id);
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}
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function getTree($parent_id = '') {
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return $this->buildBranchArray((empty($parent_id) ? $this->root_category_id : $parent_id));
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}
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function calculateCategoryProductCount() {
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foreach ($this->data as $parent => $categories) {
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foreach ($categories as $id => $info) {
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$this->data[$parent][$id]['count'] = $this->countCategoryProducts($id);
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$parent_category = $parent;
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while ($parent_category != $this->root_category_id) {
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foreach ($this->data as $parent_parent => $parent_categories) {
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foreach ($parent_categories as $parent_category_id => $parent_category_info) {
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if ($parent_category_id == $parent_category) {
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$this->data[$parent_parent][$parent_category_id]['count'] += $this->data[$parent][$id]['count'];
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$parent_category = $parent_parent;
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break 2;
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}
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}
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}
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}
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}
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}
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}
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function countCategoryProducts($category_id) {
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global $osC_Database;
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$Qcategories = $osC_Database->query('select count(*) as total from :table_products p, :table_products_to_categories p2c where p2c.categories_id = :categories_id and p2c.products_id = p.products_id and p.products_status = 1');
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$Qcategories->bindRaw(':table_products', TABLE_PRODUCTS);
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$Qcategories->bindRaw(':table_products_to_categories', TABLE_PRODUCTS_TO_CATEGORIES);
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$Qcategories->bindInt(':categories_id', $category_id);
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$Qcategories->execute();
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$count = $Qcategories->valueInt('total');
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$Qcategories->freeResult();
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return $count;
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}
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function setRootCategoryID($root_category_id) {
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$this->root_category_id = $root_category_id;
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}
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function setMaximumLevel($max_level) {
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$this->max_level = $max_level;
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}
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function setRootString($root_start_string, $root_end_string) {
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$this->root_start_string = $root_start_string;
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$this->root_end_string = $root_end_string;
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}
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function setParentString($parent_start_string, $parent_end_string) {
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$this->parent_start_string = $parent_start_string;
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$this->parent_end_string = $parent_end_string;
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}
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function setParentGroupString($parent_group_start_string, $parent_group_end_string) {
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$this->parent_group_start_string = $parent_group_start_string;
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$this->parent_group_end_string = $parent_group_end_string;
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}
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function setChildString($child_start_string, $child_end_string) {
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$this->child_start_string = $child_start_string;
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$this->child_end_string = $child_end_string;
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}
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function setBreadcrumbSeparator($breadcrumb_separator) {
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$this->breadcrumb_separator = $breadcrumb_separator;
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}
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function setBreadcrumbUsage($breadcrumb_usage) {
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if ($breadcrumb_usage === true) {
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$this->breadcrumb_usage = true;
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} else {
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$this->breadcrumb_usage = false;
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}
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}
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function setSpacerString($spacer_string, $spacer_multiplier = 2) {
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$this->spacer_string = $spacer_string;
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$this->spacer_multiplier = $spacer_multiplier;
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}
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function setCategoryPath($cpath, $cpath_start_string = '', $cpath_end_string = '') {
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$this->follow_cpath = true;
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$this->cpath_array = explode($this->breadcrumb_separator, $cpath);
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$this->cpath_start_string = $cpath_start_string;
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$this->cpath_end_string = $cpath_end_string;
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}
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function setFollowCategoryPath($follow_cpath) {
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if ($follow_cpath === true) {
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$this->follow_cpath = true;
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} else {
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$this->follow_cpath = false;
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}
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}
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function setCategoryPathString($cpath_start_string, $cpath_end_string) {
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$this->cpath_start_string = $cpath_start_string;
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$this->cpath_end_string = $cpath_end_string;
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}
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function setShowCategoryProductCount($show_category_product_count) {
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if ($show_category_product_count === true) {
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$this->show_category_product_count = true;
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} else {
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$this->show_category_product_count = false;
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}
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}
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function setCategoryProductCountString($category_product_count_start_string, $category_product_count_end_string) {
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$this->category_product_count_start_string = $category_product_count_start_string;
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$this->category_product_count_end_string = $category_product_count_end_string;
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}
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}
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?>
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