if($action == 'auth')
{
if(!file_exists("clients/".$client."/bin/client.zip") || !file_exists("clients/".$client."/bin/minecraft.jar") || !file_exists("clients/".$client."/bin/PlayerAPI.zip") || !file_exists("clients/".$client."/bin/LiteLoader.zip") ||
!file_exists("clients/".$client."/bin/lwjgl.jar") || !file_exists("clients/".$client."/bin/lwjgl_util.jar")|| !file_exists("clients/".$client."/bin/OptiFine.zip") || !file_exists("clients/".$client."/bin/MinecraftForge.zip") ||
!file_exists("clients/".$client."/bin/jinput.jar") || !file_exists("clients/".$client."/mods/")) die("Ошибка: клиент $client не найден");