<?php
$host = 'localhost';
$user = 'id442616_izi';
$db = 'id442616_training';
$pass = '*******';
$con= mysqli_connect($host,$user,$pass,$db);
$N_Cliente = $_POST['Nomb_cliente'];
  $N_vende = $_POST['Nomb_vende'];
  $total = $_POST['total'];
   $sql = "insert into Cabezera (Nomb_cliente,Nomb_vende,total) values ('$N_Cliente','$N_vende','$total')";
  if(mysqli_query($con,$sql)){
 $last_id = mysqli_insert_id($con);
echo json_encode(array(
   "id" => $last_id
)); }else{
   echo 'failure';
}
 mysqli_close($con);
?>