#include <a_samp>
//#include <foreach>

new
    CheckEachTimer,
    PlayerSeconds[MAX_PLAYERS]
;

public OnFilterScriptInit()
{
    CheckEachTimer = SetTimer("CheckEachPlayer", 1000, true);
    return true;
}

public OnFilterScriptExit()
{
    KillTimer(CheckEachTimer);
    return true;
}

public OnPlayerConnect(playerid)
{
    PlayerSeconds[playerid] = 0;
    return true;
}

public OnPlayerDisconnect(playerid, reason)
{
    new hh, mm, ss;
    GetPlayerOnlineTime(playerid, hh, mm, ss);
    
    printf("ID%i was online for %i hours %i minutes %i seconds.",playerid,hh,mm,ss);
    return true;
}

forward CheckEachPlayer();
public CheckEachPlayer()
{
    #if defined foreach
        foreach(Player, i) { if(IsPlayerConnected(i)) PlayerSeconds[i]++; }
    #else
        for(new i=0; i<MAX_PLAYERS; i++) { if(IsPlayerConnected(i)) PlayerSeconds[i]++; }
    #endif
    return true;
}

stock GetPlayerOnlineTime(playerid, &hours, &minutes, &seconds)
{
    hours = (PlayerSeconds[playerid]/(60*60))%24;
    minutes = (PlayerSeconds[playerid]/60)%60;
    seconds = PlayerSeconds[playerid]%60;
}

Name=Tigerbeast11
Password=HasedPassword
Cash=200
Hours On‌line=2
Minutes On‌line=34

public OnPlayerLogin(playerid, password) //or connect.
{
    //If success:
    //Load the userfile...
    PlayerSeconds[playerid] = PlayerInfo[playerid][pSeconds]; //According to your variable.
    return true;
}
public OnPlayerDisconnect(playerid, reason)
{
    PlayerInfo[playerid][pSeconds] = PlayerSeconds[playerid];
    //Then save the userfile.
    return true;
}