mongoDB connect

mongodb.php

<?php
$host = '127.0.0.1';
$port = '27017';
$dbname = 'mgng';
$username = 'dbuser';
$password = 'password';
$timeout = 5000;

try {
  $options = array(
    "db" => $dbname,
    "password" => $password,
    "username" => $username,
    "timeout" => $timeout,
  );
  $mongo = new MongoClient( "mongodb://{$host}:{$port}", $options );
  print_r( $mongo->getConnections() );
} catch ( MongoConnectionException $e ) {
  echo $e->getMessage();
  exit;
}