<?php 
error_reporting(E_ERROR | E_PARSE);
$page = 1;
$rp=0;
if (isset($_POST['page'])) {
        $page = mysqli_real_escape_string($conn,$_POST['page']);
}
if (isset($_POST['rp'])) {
        $rp = mysqli_real_escape_string($conn,$_POST['rp']);
}


$pageStart = ($page-1)*$rp;
$limitSql = "limit $pageStart, $rp";
$data = array();
$data['page'] = $page;
$data['total'] = $total;
$data['rows'] = array();

echo json_encode($data);

?>