[PMMP] A Plugin implement Faction Guild API.
If you want to check the Player Guild?
GuildAPI::getInstance()->getGuildByPlayer(Player $player);
If you want to All Guilds?
GuildPlus::getInstance()->getGuilds();
If you want to create Guild?
GuildPlus::getInstance()->addGuild(Player $ownerPlayer, string $guildName);
If you want to get Guild?
/** @var Guild|null $guild */
$guild = GuildPlus::getInstance()->getGuild(string $guildName);
If you want to use Guild LevelProcess?
$levelProcess = $guild->getLevelProcess();
$levelProcess->getLevel();
$levelProcess->getExperience();
$levelPrccess->addExperience(float $amount);
$levelProcess->decreaseExperience(float $amount);