quick assistance about a connection to a db (local db only)
$c2d;

$c2d = mysqli_connect('127.0.0.1', 'abc', 'abc', 'db-name-here')

$c2d = mysqli_connect('127.0.0.1', 'xyz', 'xyz', 'db-name-here')

if($c2d) { //means im on mac so it will connect
   do whatever
} else { //then im on pc so
   $c2d =s the pc connection
}