<?php
$VARDB_server = '192.168.0.2';
$VARDB_user = 'root';
$VARDB_pass = '123456';
$VARDB_database = 'mydb';

$link=mysqli_connect("$VARDB_server", "$VARDB_user", "$VARDB_pass","$VARDB_database");

if ($link){
    echo "DB Connected \n";
}
else {
  echo 'No Connection';
  }
?>