[JR !]

You can give this a try, should work.

Код:

//====

//forward
OneMinTimer();

//GameModeInit
SetTimer("OneMinTimer", 60000, true);

public OneMinTimer()
{
  for(new i=0; i<MAX_PLAYERS; i++)
  {
    if(IsPlayerConnected(i))
    {
      if(PlayerData[i][PrisonTime] > 0)
      {
        PlayerData[i][PrisonTime] -= 1;
			}
		}
	}
	return 1;
}


if(strcmp("/jailtime",cmdtext,true) == 0)
{
	if(IsPlayerConnected(playerid))
	{
	  if(PlayerData[playerid][PrisonTime] == 0)
	  {
	    SendClientMessage(playerid, WHITE, "You are not in Jail");
	    return 1;
		}
		format(string,sizeof(string)," %d Minutes",PlayerData[playerid][PrisonTime]);
		SendClientMessage(playerid,WHITE,string);
	}
	return 1;
}