/**
  * Parser for column options
  *
  * @since  	2.0.0
  */
 public static function parse_column_options()
 {
     $short_codes = NULL;
     // this element will have all shortcodes once processing ends
     foreach (self::$meta_content as $element) {
         //traverse elements
         //convert stdObject to Array  :: quick way
         $element = json_decode(json_encode($element), true);
         $css_class = $element['css_class'];
         $css_class = explode(" ", $css_class);
         $css_class = @$css_class[1];
         if (empty($css_class)) {
             $css_class = $element['php_class'];
         }
         switch ($css_class) {
             //switch on unique element
             case 'grid_two':
                 //add layout container
                 $short_codes .= '[one_half ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 //check if child elements exist. Then parse elements one by one
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/one_half]';
                 break;
             case 'grid_three':
                 $short_codes .= '[one_third ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/one_third]';
                 break;
             case 'grid_four':
                 $short_codes .= '[one_fourth ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/one_fourth]';
                 break;
             case 'grid_five':
                 $short_codes .= '[one_fifth ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/one_fifth]';
                 break;
             case 'grid_two_fifth':
                 $short_codes .= '[two_fifth ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/two_fifth]';
                 break;
             case 'grid_three_fifth':
                 $short_codes .= '[three_fifth ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/three_fifth]';
                 break;
             case 'grid_four_fifth':
                 $short_codes .= '[four_fifth ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/four_fifth]';
                 break;
             case 'grid_six':
                 $short_codes .= '[one_sixth ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/one_sixth]';
                 break;
             case 'grid_five_sixth':
                 $short_codes .= '[five_sixth ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/five_sixth]';
                 break;
             case 'grid_three_fourth':
                 $short_codes .= '[three_fourth ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/three_fourth]';
                 break;
             case 'grid_two_third':
                 $short_codes .= '[two_third ' . Fusion_Core_Shortcodes_Parser::prepare_column_attr($element['subElements']) . ']';
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= '[/two_third]';
                 break;
             case 'fusion_full_width':
                 $short_codes .= Fusion_Core_Shortcodes_Parser::build_full_width_container_shortocde($element['subElements']);
                 $short_codes .= Fusion_Core_Shortcodes_Parser::parse_column_element($element);
                 $short_codes .= ' [/fullwidth]';
                 break;
             default:
                 //default case. For elements without layout column
                 if (!isset($element['parentId'])) {
                     //if element does not have any parent (column element)
                     //parse this element separately.
                     $short_codes .= Fusion_Core_Shortcodes_Parser::parse_builder_elements($element);
                 }
         }
     }
     //good to go :)
     return $short_codes;
 }