function format_name($username, $usergroup, $displaygroup="")
{
	global $groupscache, $cache;

	if(!is_array($groupscache))
	{
		$groupscache = $cache->read("usergroups");
	}

	if($displaygroup != 0)
	{
		$usergroup = $displaygroup;
	}
	
	
	$ugroup = $groupscache[$usergroup];
	$format = $ugroup['namestyle'];
	$userin = substr_count($format, "{username}");
	if($userin == 0)
	{
		$format = "{username}";
	}
	$format = stripslashes($format);
	return str_replace("{username}", $username, $format);
}

function format_name($username, $usergroup, $displaygroup="")
{
	global $db, $groupscache, $cache;
	$query = $db->simple_select(TABLE_PREFIX."userfields", "fid5", "ufid='".intval($uid)."'");

	if(!is_array($groupscache))
	{
		$groupscache = $cache->read("usergroups");
	}

	if($displaygroup != 0)
	{
		$usergroup = $displaygroup;
	}
	$ugroup = $groupscache[$usergroup];
	$format = "<span style=\"color:{$userfields['fid5']};\">{username}</span>"; // This the 'namestyle' can be easily changed in the admin cp for each group but i want to change it for each user
	$userin = substr_count($format, "{username}"); // function that counts how many times {username} substring is in the $formats string
	if($userin == 0) // if {username} substring wasnt found in the $format string, then
	{
		$format = "{username}"; // the $format string = "{username}"
	}
	$format = stripslashes($format); // The stripslashes() function removes backslashes from the $format string
	return str_replace("{username}", $username, $format); // replaces {username} with $username, so the $format string will contain $username instead of {username}
}