consulta.php

<?php
 $nivel_usuario = 1;

$mysql_db_hostname = "sql103.byethost13.com";
$mysql_db_user = "b13_17571428";
$mysql_db_password = "**********";
$mysql_db_database = "b13_17571428_app";

$con = @mysqli_connect($mysql_db_hostname, $mysql_db_user, $mysql_db_password, $mysql_db_database);

$var = array();

 $sql = "SELECT nome,preco FROM produto WHERE id_acesso = $nivel_usuario";

$result = mysqli_query($con, $sql);

while($obj = mysqli_fetch_object($result)) {

$var[] = $obj;

}

header('Content-Type: application/json; charset=UTF-8');
echo '{"produtos":'.json_encode($var).'}';
?>