[iJumbo]

Do some like this

pawn Code:

dcmd_destroy(playerid, params[])
{
    new id,Float:x,Float:y,Float:z;
    if(sscanf(params, "u", id)) return SendClientMessage(playerid, 0xAA3333AA, "/destroy [ID / NAME]");
    if(!IsPlayerAdmin(playerid)) return SendClientMessage(playerid, 0xAA3333AA, "this command is for admins only");
    if(!IsPlayerConnected(id)) return SendClientMessage(playerid, 0xAA3333AA, "This Player is offline");
    GetPlayerPos(id, x, y, z);
    CreateExplosion(x, y, z, 7, 10.0);
    CreateExplosion(x, y, z, 7, 10.0);
    return 1;
}

with sscanf