<?php
namespace Libs;

class Database {
  static private $db;
  
  private function __construct() {}
  
  static public function getConnection() {
    if (!isset(self::$db)) {
      self::$db = new \mysqli(dbhost, dbuser, dbpass, dbname);
      if (self::$db->connect_errno) {
        exit('No se ha podido conectar a la base de datos.');
      }
    }
    return self::$db;
  }
}
?>