#include <foreach>    

#define COLOR_MUSICA 0x008F8FAA

new bool:MusicON;
new URLW[300];
new Float: MGM[5] = 100.0; 

f(MusicON == true)
{
if(IsPlayerInRangeOfPoint(i, MGM[4], MGM[1], MGM[2], MGM[3]))
{
if(!GetPVarInt(i,"Music"))
{
SetPVarInt(i,"Music",1);
PlayAudioStreamForPlayer(i, URLW, MGM[1], MGM[2], MGM[3], MGM[4], true);
SendClientMessage(i,COLOR_MUSICA,"Внимание! Вы попали в музыкальную зону сервера.");
SendClientMessage(i,COLOR_MUSICA,"Во избежания недоразумений, убавьте громкость колонок (в тексте песни возможно присутстсвите мата).");
}
}
else
{
if(GetPVarInt(i,"Music"))
{
DeletePVar(i,"Music");
StopAudioStreamForPlayer(i);
SendClientMessage(i,COLOR_MUSICA,"Музыка отключена (вы покинули предел зоны проигрывания, или отключена администратором).");
}
}
}  

PHP код:
else if(strcmp(cmd, "/amusic", true) == 0)            
               {            
                   if(PlayerInfo[playerid][pAdmin] < 8) return true;            
                   new Float:X, Float:Y, Float:Z;            
                   if(MusicON == true)            
                   {            
                       foreach(Player, a)            
                       {            
                           if(GetPVarInt(a,"Music"))            
                           {            
                     DeletePVar(a,"Music");            
                     StopAudioStreamForPlayer(a);            
                           }            
                       }            
                       SendClientMessage(playerid,COLOR_BLUE, " Музыка выключена");            
                       MusicON = false;            
                       return true;            
                   }            
                   tmp = strtok(cmdtext,idx);            
                   if(!strlen(tmp)) return SendClientMessage(playerid,COLOR_WHITE, " Подсказка: /amusic [радиус] [ссылка]");            
                   new Float:Distance = strval(tmp);            
                   new length = strlen(cmdtext);            
                   while ((idx < length) && (cmdtext[idx] <= ' '))            
                   {            
                       idx++;            
                   }            
                   new offset = idx;            
                   new result[64];            
                   while ((idx < length) && ((idx - offset) < (sizeof(result) - 1)))            
                   {            
                       result[idx - offset] = cmdtext[idx];            
                       idx++;            
                   }            
                   result[idx - offset] = EOS;            
                   if(!strlen(result)) return SendClientMessage(playerid,COLOR_WHITE, " Подсказка: /amusic [радиус] [ссылка]");            
                   GetPlayerPos(playerid, X, Y, Z);            
                   MGM[4] = Distance; MGM[1] = X; MGM[2] = Y; MGM[3] = Z; URLW = result; MusicON = true;            
                   return true;            
               }