Precount $category_links and $column_list for performance

catalog/index.php

@@ -49,7 +49,8 @@
     if (isset($cPath) && strpos('_', $cPath)) {
 // check to see if there are deeper categories within the current category
       $category_links = array_reverse($cPath_array);
-      for($i=0, $n=sizeof($category_links); $i<$n; $i++) {
+	  $n=sizeof($category_links);
+      for($i=0;$i<$n; $i++) {
         $categories_query = tep_db_query("select count(*) as total from " . TABLE_CATEGORIES . " c, " . TABLE_CATEGORIES_DESCRIPTION . " cd where c.parent_id = '" . (int)$category_links[$i] . "' and c.categories_id = cd.categories_id and cd.language_id = '" . (int)$languages_id . "'");
         $categories = tep_db_fetch_array($categories_query);
         if ($categories['total'] < 1) {
@@ -111,8 +112,8 @@
     }
 
     $select_column_list = '';
-
-    for ($i=0, $n=sizeof($column_list); $i<$n; $i++) {
+    $n=sizeof($column_list);
+    for ($i=0; $i<$n; $i++) {
       switch ($column_list[$i]) {
         case 'PRODUCT_LIST_MODEL':
           $select_column_list .= 'p.products_model, ';