<?php
    /**
    *
    */
    class conexion
    {

     private $conexion;
     private $server="localhost";
     private $usuario="root";
     private $pass="";
     private $bd="login";
     private $user;
     private $password;

    function __construct(){

     $this->conexion = new MySQli($this->server,$this->usuario,$this->pass,$this->bd);
    if($this->conexion->connect_errno){

     die("Algo a salido mal con MySQli (".$this->conexion->connect_errno.")");

    }

    }

     public function cerrar(){
       $this->conexion->close();
        }

       public function login($usuario,$pass){
        $this->user=$usuario;
        $this->password=$pass;

        $query=("select id,Usuario,Password from login where Usuario= '".$this->user."' and Password= '".$this->password."'");
         $consulta=$this->conexion->query($query);
        if(mysqli_num_rows($consulta)>0){
        if($row=mysqli_fech_array($consulta)){
           echo "Has iniciado sesión correctamente";
        }else{

            echo"Los datos son incorrectos";

             }

       }else{

        echo "eso esta mal";

       }

      }
      }

      ?>