UserFieldProxy::isAdminUser

protected function isAdminUser()
{
	if($this->isAdminUser !== null)
	{
		return $this->isAdminUser;
	}

	$this->isAdminUser = $this->user->IsAdmin();

	if(!$this->isAdminUser
		&& BitrixMainModuleManager::isModuleInstalled('bitrix24')
		&& BitrixMainLoader::includeModule('bitrix24'))
	{
		try
		{
			$this->isAdminUser = CBitrix24::IsPortalAdmin($this->user->GetID());
		}
		catch(Exception $exc)
		{
		}
	}

	return $this->isAdminUser;
}