[ATGOggy]

This is an example:

A stock:

PHP код:

stock GetClosestPlayerToPlayer(playerid)
{
    new Float:dist = 1000.0;
    new targetid = INVALID_PLAYER_ID;
    new Float:x1,Float:y1,Float:z1;
    new Float:x2,Float:y2,Float:z2;
    new Float:tmpdis;
    GetPlayerPos(playerid,x1,y1,z1);
    for(new i=0;i<MAX_PLAYERS;i++)
    {
        if(i == playerid) continue;
        GetPlayerPos(i,x2,y2,z2);
        tmpdis = floatsqroot(floatpower(floatabs(floatsub(x2,x1)),2)+floatpower(floatabs(floatsub(y2,y1)),2)+floatpower(floatabs(floatsub(z2,z1)),2));
        if(tmpdis < dist)
        {
            dist = tmpdis;
            targetid = i;
        }
    }
    return targetid;
} 


Under OnPlayerKeyState

PHP код:

if(newkeys==a)
{
    if(GetPlayerTeam(playerid)!=TEAM_LAW) return SendClientMessage(playerid, COLOR_RED, "ERROR: You are not a law enforcement agent.");
    CallLocalFunction("OnPlayerCommandText", "is", GetClosestPlayerToPlayer(playerid), "/arrest");
    return 1;
}