CAllSocNetUserPerms::GetOperationPerms

static function GetOperationPerms($userID, $operation)
{
	global $arSocNetUserOperations;
	static $arCachedUserPerms;

	if (
		is_array($userID) 
		&& !$arCachedUserPerms
	)
		$arCachedUserPerms = array();

	if (!is_array($userID))
	{
		$userID = intval($userID);
		if ($userID <= 0)
			return false;
	}

	$operation = mb_strtolower(Trim($operation));
	if (!array_key_exists($operation, $arSocNetUserOperations))
		return false;

	$arUserPerms = array();
	if (
		!is_array($userID)
		&& isset($GLOBALS["SONET_USER_PERMS_".$userID]) 
		&& is_array($GLOBALS["SONET_USER_PERMS_".$userID])
		&& !array_key_exists("SONET_USER_PERMS_".$userID, $_REQUEST)
	)
		$arUserPerms = $GLOBALS["SONET_USER_PERMS_".$userID];
	elseif (
		!is_array($userID)
		&& isset($arCachedUserPerms[$userID])
		&& is_array($arCachedUserPerms[$userID])
		&& !array_key_exists("SONET_USER_PERMS_".$userID, $_REQUEST)
	)
		$arUserPerms = $arCachedUserPerms[$userID];			
	else
	{
		$dbResult = CSocNetUserPerms::GetList(Array(), Array("USER_ID" => $userID));
		while ($arResult = $dbResult->Fetch())
		{
			if (!is_array($userID))
				$arUserPerms[$arResult["OPERATION_ID"]] = $arResult["RELATION_TYPE"];
			else
				$arCachedUserPerms[$arResult["USER_ID"]][$arResult["OPERATION_ID"]] = $arResult["RELATION_TYPE"];
		}
		if (!is_array($userID))
			$GLOBALS["SONET_USER_PERMS_".$userID] = $arUserPerms;
	}

	if (!is_array($userID))
	{
		$toUserOperationPerms = (
			array_key_exists($operation, $arUserPerms)
				? $arUserPerms[$operation]
				: $arSocNetUserOperations[$operation]
		);

		if ($toUserOperationPerms == SONET_RELATIONS_TYPE_FRIENDS2)
		{
			$toUserOperationPerms = SONET_RELATIONS_TYPE_FRIENDS;
		}

		return $toUserOperationPerms;
	}
	else
	{
		foreach ($userID as $user_id_tmp)
			if (!array_key_exists($user_id_tmp, $arCachedUserPerms))
				$arCachedUserPerms[$user_id_tmp] = array();

		return true;
	}
}