breadcrumbs of opencart

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foreach

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//Creates path so breadcrumbs display
$cat = $this->model_catalog_product->getCategories($product_id);
if(!empty($cat))
{
	$cat_trace = array($cat[0]['category_id']);
	$i = 0; $stop = false;
	while(!$stop)
	{
		$arr = $this->model_catalog_category->getCategory($cat_trace[$i++]);
		if($arr['parent_id'] != 0)
			$cat_trace[] = $arr['parent_id'];
		else
			$stop = true;
	}

	$cat_trace = implode('_', array_reverse($cat_trace));
			    
	$link = $this->url->link('product/product', 'path=' . $cat_trace . '&product_id=' . $product_info['product_id']);
}
	else $link = $this->url->link('product/product', 'product_id=' . $product_info['product_id']);

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$this->data['products'][] = array(

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foreach

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href

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$link

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'href' => $link

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if($arr['parent_id'] != 0)

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$this->load->model('catalog/product');
		if (isset($this->request->get['product_id'])) {
			$product_id = (int)$this->request->get['product_id'];
		} else {
			$product_id = 0;
		}
		$catids = $this->model_catalog_product->getCategories($product_id);
		$cat_ids = '';
		if(isset($catids)){
			foreach ($catids as $catid) {
				$cat_ids .= $catid['category_id'].'_';
			}	
		}
		if(isset($cat_ids)) {
				$path = '';
				
				$parts = explode('_', (string)$cat_ids);
				
				$category_id = (int)array_pop($parts);
				if(isset($parts[0]))
					$par_category = $this->model_catalog_category->getParent($parts[0]);
				if(!isset($this->request->get['path'])){
					if (isset($par_category)) {			
						$url = '';
						
						if (isset($this->request->get['sort'])) {
							$url .= '&sort=' . $this->request->get['sort'];
						}	
			
						if (isset($this->request->get['order'])) {
							$url .= '&order=' . $this->request->get['order'];
						}	
						
						if (isset($this->request->get['page'])) {
							$url .= '&page=' . $this->request->get['page'];
						}
						
						if (isset($this->request->get['limit'])) {
							$url .= '&limit=' . $this->request->get['limit'];
						}
												
						$this->data['breadcrumbs'][] = array(
							'text'      => $par_category['name'],
							'href'      => $this->url->link('product/category', 'path=' . $par_category['category_id']),//$this->request->get['path']),
							'separator' => $this->language->get('text_separator')
						);
					}
				
					if(isset($parts[0]))
						$category_info = $this->model_catalog_category->getCategory($parts[0]);
					if(isset($category_info)){
						if ($category_info) {
							$this->data['breadcrumbs'][] = array(
								'text'      => $category_info['name'],
								'href'      => $this->url->link('product/category', 'path=' . $par_category['category_id'].'_'.$parts[0]),
								'separator' => $this->language->get('text_separator')
							);
						}
					}
				}
			}

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public function getParent($subcat) {
	$parid = $this->db->query("SELECT * FROM " . DB_PREFIX . "category WHERE category_id = " . (int)$subcat);
	$query = $this->db->query($q = "SELECT DISTINCT * FROM " . DB_PREFIX . "category c LEFT JOIN " . DB_PREFIX . "category_description cd ON (c.category_id = cd.category_id) LEFT JOIN " . DB_PREFIX . "category_to_store c2s ON (c.category_id = c2s.category_id) WHERE c.category_id = '" . (int)$parid ->row['parent_id'] . "' AND cd.language_id = '" . (int)$this->config->get('config_language_id') . "' AND c2s.store_id = '" . (int)$this->config->get('config_store_id') . "' AND c.status = '1'");

	return $query->row;
}

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$product_info = $this->model_catalog_product->getProduct($product_id);

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foreach ($products as $product_id) {
	$product_info = $this->model_catalog_product->getProduct($product_id);

	// Hack to create full path in the breadcrumbs for featured products
	$cat = $this->model_catalog_product->getCategories($product_id);
	if(!empty($cat)) {
		$cat_trace = array($cat[0]['category_id']);
		$i = 0; $stop = false;
		while(!$stop) {
			$arr = $this->model_catalog_category->getCategory($cat_trace[$i++]);
			if($arr['parent_id'] != 0)
				$cat_trace[] = $arr['parent_id'];
			else
				$stop = true;
		}

		$cat_trace = implode('_', array_reverse($cat_trace));
             
		$link = $this->url->link('product/product', 'path=' . $cat_trace . '&product_id=' . $product_info['product_id']);
	}
	else {
		$link = $this->url->link('product/product', 'product_id=' . $product_info['product_id']);
	}				
	// end hack				
				
	if ($product_info) {
.......