Solved Add more commands?

Hey guys how do i add more commands in this code?

PHP:

public function onCommand(CommandSender $sender, Command $cmd, string $label, array $args):bool
    {
        switch($cmd->getName()){
        case "buyrank":
          if(!$sender instanceof Player){
                $sender->sendMessage("§cThis command can't be used here.");
                return true;
          }
          $api = $this->getServer()->getPluginManager()->getPlugin("FormAPI");
          $form = $api->createSimpleForm(function (Player $sender, $data){
              $result = $data;
              if ($result == null) {
              }
              switch ($result) {
                      case 0:
                          break;
                      case 1:
                      $this->vip($sender);
                          break;
                      case 2:
                      $this->vipplus($sender);
                          break;
              }
          });
          $form->setTitle("§lRanks");
          $form->setContent("§7Select Rank You Want To Buy.");
          $form->addButton("§l§cExit", 0);
          $form->addButton("§lVIP | 10000", 1);
          $form->addButton("§lVIP+ | 15000", 2);
          $form->sendToPlayer($sender);
          }
          return true;

 

{
switch($cmd->getName()){
case "command1":
dosomething

case "command2":
dosomething

 

insert command in " case:"(command you wanted to insert)" "

 

http://php.net/manual/en/control-structures.switch.php