I forgot to include this function. It lets them be sorted in alphabetical order which is a huge improvement in my opinion.
PHP Code:
function CompareFriendsNames($ar1, $ar2)
{
if (strtolower($ar1['last_name']) < strtolower($ar2['last_name']))
return -1;
else if (strtolower($ar1['last_name']) > strtolower($ar2['last_name']))
return 1;
if (strtolower($ar1['first_name']) < strtolower($ar2['first_name']))
return -1;
else if (strtolower($ar1['first_name']) > strtolower($ar2['first_name']))
return 1;
return 0;
}