If you copied my code, at least you could read it. It's not that ugly (hopefully).
Read it again (if you did it) and spot the part you missed.PHP Code:
getPlayerById(number)
{
number = Int(number);
players = getentarray("player", "classname");
for(i = 0; i < players.size; i++)
{
if(players[i] getEntityNumber() == number)
return players[i];
}
return undefined;
}