<?php

$host="localhost";

$username="u583511941_vb";

$password="eclipse2016";
$db_name="u583511941_reser";

$con=@mysql_connect($host, $username, $password)or die("cannot connect");

mysql_select_db($db_name)or die("cannot select DB");

$sql = "SELECT `titulo_img`,`descripcion_img`,`imagen` FROM `images`";

$result = mysql_query($sql,$con);
$json = array();

if(mysql_num_rows($result)){
    while($row=mysql_fetch_object($result)){
        $json[]=$row;
    }
}
mysql_close($con);
echo json_encode($json);

?>