Класс для получения / изменения формы редактирования элементов / разделов инфоблока пользователем #Bitrix

example.php

<?php

$UserOptionFormNews = new UserOptionForm(1);

if ($arOptions = $UserOptionFormNews->fetchAll()) {
	$arOptions['edit1']['NAME'] = 'Новость';
	$arOptions['edit1']['PROPS']['PROPERTY_1'] = 'Изображение';
}

if ($UserOptionFormNews->save($arOptions, true)) {
	echo "Success message";
}

UserOptionForm.php

<?php

class UserOptionForm
{
	const TYPE_ELEMENT = 'element';
	const TYPE_SECTION = 'section';

	private $name;
	private $userId;

	private function getAllowedTypes()
	{
		return [self::TYPE_ELEMENT, self::TYPE_SECTION];
	}

	public function __construct(int $iblockId, $type = '', int $userId = 0)
	{
		// @todo throw exception
		$allowedTypes = $this->getAllowedTypes();
		if (!in_array($type, $allowedTypes)) $type = current($allowedTypes);
		$this->name = 'form_' . (in_array($type, $allowedTypes) ? $type : current($type)) . '_' . $iblockId;
		$this->userId = $userId;
	}

	public function fetchAll() {
		$arFormTabs = [];
		$option = CUserOptions::GetOption('form', $this->name, ['tabs' => ''], $this->userId);
		$arTabs = explode('--;--', $option['tabs']);
		if (!empty($arTabs)):
			foreach ($arTabs as $sTab)
			{
				$arFields = explode('--,--', $sTab);
				list($sTabId, $sTabName) = explode('--#--', array_shift($arFields));
				if (!$sTabId) continue;

				$arFormTabs[ $sTabId ] = ['NAME' => $sTabName, 'PROPS' => []];

				foreach ($arFields as $sField)
				{
					list($propId, $propLabel) = explode('--#--', $sField);
					$arFormTabs[ $sTabId ]['PROPS'][ $propId ] = $propLabel;
				}
			}
		endif;

		return $arFormTabs;
	}

	private function encode(array $arFormTabs)
	{
		$arTabs = [];
		foreach ($arFormTabs as $sFormTabCode => $arFormTab)
		{
			$arTab = [$sFormTabCode.'--#--'.$arFormTab['NAME']];
			foreach($arFormTab['PROPS'] as $propId => $propLabel) $arTab[] = $propId.'--#--'.$propLabel;
			$arTabs[] = implode('--,--', $arTab);
		}

		return count($arTabs) > 0 ? ['tabs' => implode('--;--', $arTabs) . '--;--'] : [];
	}

	public function save(array $_arFormTabs, $clearCurrent = false)
	{
		$arFormTabs = $this->encode($_arFormTabs);
		if (count($arFormTabs) <= 0) return false;

		if ($clearCurrent) {
			// clear for current user
			CUserOptions::DeleteOption("form", $this->name, $bCommon = false, $user_id = false);
		}
		// Save for all
		return CUserOptions::SetOption("form", $this->name, $arFormTabs, 0 === $this->userId, $this->userId);
	}
}