[ReVo_]

Add if(!strlen(scritta)) return SendClientMessage(playerid,COLOR_RED," Use: /player_on [TEXT]");

For check if player write text...

if you "filtre" the [ or ]

add end of you script

pawn Код:

CheckText(string[])
{
for(new i = 0; i < sizeof(string); i++)
{
if(string[i] == ']' || string[i] == '[') return 1;
}
return 0;
}

And in the command

if(CheckText(scritta)) return SendClientMessage(playerid,COLOR_RED," Not write [ or ]!");