PHP Decode

<?php 
 
  namespace TheFlash; 
 
  use pocketmine\plugin\PluginBase; 
  use pocketmine\event\Listener; 
 
  use pocketmine\entity\Effect; 
  use pocketmine\command\Command; 
  use pocketmine\command\CommandSender; 
 
class MainClass extends PluginBase implements Listener{ 
	 
   public function onEnable(){ 
   	 $this->getLogger()->info(" :3"); 
		$this->getServer()->getPluginManager()->registerEvents($this, $this); 
	} 
	 
	public function onCommand(CommandSender $sender, Command $cmd, $label, array $args){ 
		if(strtolower($cmd) == "flash"){ 
			if(!isset($args[0])){ 
				$sender->sendMessage(" /flash help"); 
				return true; 
			} 
			switch($args[0]){ 
						 
    			case "help": 
    			 $sender->sendMessage("/ flash help -  \ n / flash add <nickname> -   \ n / flash on -  Flash\ n /  -  Flash"); 
    			break; 
 
    			case "on": 
    			 $sender->sendMessage(""); 
    			 $sender->addEffect(Effect::getEffect(1)->setAmplifier(100)->setDuration(20 *1000000202)); 
    			break; 
    			 
    			case "off": 
    			 $sender->sendMessage(""); 
    		 	$sender->removeAllEffects(); 
    			break; 
            } 
    		} 
  	} 
} 
 ?>