Mongo db connection

mongo.php
..................................................




<?php 

/**
 * Mongo connection
 */
class Mongo_db extends MongoClient
{
	private $connection;
	private $username;
	private $password;
	private $hostname;
	private $port;
	private $database;
	function __construct()
	{

	 $this->username ="admin";
	 $this->password ="admin";
	 $this->hostname ="localhost";
	 $this->port ="27017";
	 $database ="keralasme";

		$this->connection  = "mongodb://{$this->hostname}:{$this->port}/{$this->database}";
    	$this->db = (new MongoClient($this->connection))->$database; // Connect to Database

	}
	public function select($collection)
	{
		$documents = $this->db->$collection->find();
		return $documents;
	}



}

 ?>

index.php
..................................................

<?php 
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);


require 'mongo.php';
$db = new Mongo_db();
$data = $db->select('category');
foreach ($data as $key => $value) {
	echo "<pre>";
	print_r($value);
}

 ?>
 
 
 
 
 
 
 
 
 
 
 
 
 function create_slug($collection,$slug)
{
  $ci =& get_instance();
  $ci->load->model('Select');
  $slug = trim($slug);
  $slug = preg_replace('!\s+!', ' ', $slug);
  $slug = preg_replace('/[^A-Za-z0-9\-]/', ' ', $slug);
  $slug = strtolower(str_replace(' ', '_', $slug));
  $data = $ci->Select->db->$collection->findOne(['slug'=>$slug]);
  if($data == NULL)return $slug;

  $i = 1;
  $new_slug = $slug;
  while($data != NULL)
  {
    $new_slug = $slug.'_'.$i;
    $data = $ci->Select->db->$collection->findOne(['slug'=>$new_slug]);
    if($data == NULL)return $new_slug;
    $i++;
  }

  return $new_slug;
}