sectionpath.php

См. документацию.

<?php
namespace Bitrix\Iblock\Template\Entity;
 
class SectionPath extends Base
{
    protected $dbPath = null;

    public function __construct($id)
    {
        parent::__construct($id);
        $this->fieldMap = array(
            "name" => "NAME",
            "previewtext" => "DESCRIPTION",
            "detailtext" => "DESCRIPTION",
            "code" => "CODE",
            //not accessible from template engine
            "ID" => "ID",
            "IBLOCK_ID" => "IBLOCK_ID",
            "IBLOCK_SECTION_ID" => "IBLOCK_SECTION_ID",
        );
    }

    public function loadFromDatabase()
    {
        if (!isset($this->fields))
        {
            //From down to up
            $select = array_values($this->fieldMap);
            $this->dbPath = array();
            $id = $this->id;
            while ($id > 0)
            {
                $sectionList = \Bitrix\Iblock\SectionTable::getList(array(
                    "select" => $select,
                    "filter" => array("=ID" => $id),
                ));
                $section = $sectionList->fetch();
                if ($section)
                    $this->dbPath[] = $section;
                else
                    break;
                $id = $section["IBLOCK_SECTION_ID"];
            }
            //Reversed from up to down
            //and laid by fields
            $this->fields = array();
            for($i = count($this->dbPath)-1; $i >= 0; $i--)
            {
                foreach($this->dbPath[$i] as $fieldName => $fieldValue)
                {
                    $this->fields[$fieldName][] = $fieldValue;
                }
            }
            $this->loadProperty();
        }
        return is_array($this->fields);
    }

    protected function loadProperty()
    {
        global $USER_FIELD_MANAGER;
 
        foreach ($this->fields["ID"] as $i => $sectionId)
        {
            $userFields = $USER_FIELD_MANAGER->getUserFields(
                "IBLOCK_".$this->fields["IBLOCK_ID"][$i]."_SECTION",
                $sectionId
            );
            foreach ($userFields as $id => $uf)
            {
                //TODO $uf["USER_TYPE"]["BASE_TYPE"] == "enum"
                $propertyCode = $id;
                $fieldCode = "property.".mb_strtolower(mb_substr($id, 3));
                $this->fieldMap[$fieldCode] = $propertyCode;
                if (is_array($uf["VALUE"]))
                {
                    foreach ($uf["VALUE"] as $value)
                        $this->fields[$propertyCode][] = $value;
                }
                else
                {
                    $this->fields[$propertyCode][] = $uf["VALUE"];
                }
            }
        }
    }
}