post for jasonette demo form.json

post.php

<?php
  
  require_once  '../../_includes/connect.php';
  $userName = $_REQUEST["userName"];
  $userEmail = $_REQUEST["userEmail"];
  $lastSeries = $_REQUEST["lastSeries"];
 

    //define table
    $tbl = "users";//change to your table i.e. John_app
  //write query
    $query = "INSERT INTO $tbl (userName, userEmail, lastSeries) VALUES (?,?,?)";
  //prepare statement, execute, store_result
    if($insertStmt = $mysqli->prepare($query)){
      $insertStmt->bind_param("sss", $userName, $userEmail, $lastSeries);
      $insertStmt->execute();
      $insertRows = $insertStmt->affected_rows;
      
    }else{
      echo("<br>Oops there was an error: $insertStmt->error");
      echo("<br>$mysqli->error");
    }
    //if the info got inserted
    if($insertRows > 0){
      echo("<br>Thanks $userName we have saved your info: $userEmail.
          <p>not really of course</p>");
    }else{
      echo("<br>Sorry, there was a problem saving your info.");
    }
    $insertStmt->close();
    $mysqli->close();

?>