How to send data from multiple fields?

Question

PHP

There is a form with a button that adds another one of the same form to the page. All selects and inputs in these forms have the same names. As a result, only what is entered in the last form is sent to the mail.

<?php
if(!isset($_POST['submit']))
{
  //This page should not be accessed directly. Need to submit the form.
  echo "error, you need to submit the form!";
}
$name = $_POST['name'];
$visitor_email = $_POST['email'];
$message = $_POST['message'];
$phone = $_POST['phone'];
$address = $_POST['address'];
$deliveryTime = $_POST['deliveryTime'];
$quantity = $_POST['quantity'];
$firstDish = $_POST['firstDish'];
$secondDish = $_POST['secondDish'];
$thirdDish = $_POST['thirdDish'];
$fourthDish = $_POST['fourthDish'];
$fifthDish = $_POST['fifthDish'];
$quantityBread = $_POST['quantityBread'];

//Validate first
if(empty($name)||empty($visitor_email)) 
{
    echo "Поля Имя и email обязательны!";
    exit;
}
if(IsInjected($visitor_email))
{
    echo "Неправильно введен адрес электронной почты!";
    exit;
}

$email_from = '[email protected]';

$email_subject = "Новое сообщение";
$email_body = "У вас новое сообщение от $name.\n".

    "Кол-во: $quantity \n".
    "Первое блюдо: $firstDish \n".
    "Второе блюдо: $secondDish \n".
    "Гарнир: $thirdDish \n".
    "Салат: $fourthDish \n".
    "Хлеб: $fifthDish \n".
    "Кол-во хлеба: $quantityBread \n".

    "Телефон: $phone \n".
    "Адрес доставки: $address \n".
    "Желаемое время доставки: $deliveryTime \n".
    "Комментарий: $message \n";


$to = "[email protected], [email protected]";
$headers = "From: $email_from \r\n";
$headers .= "Reply-To: $visitor_email \r\n";
//Send the email!
mail($to,$email_subject,$email_body,$headers);
//done. redirect to thank-you page.
header('Location: thank-you.html');

function IsInjected($str)
{
  $injections = array('(\n+)',
              '(\r+)',
              '(\t+)',
              '(%0A+)',
              '(%0D+)',
              '(%08+)',
              '(%09+)'
              );
  $inject = join('|', $injections);
  $inject = "/$inject/i";
  if(preg_match($inject,$str))
    {
    return true;
  }
  else
    {
    return false;
  }
}
?>

Probably, somehow it is necessary to make it so that an array of values ​​\u200b\u200bis obtained. Here is the page .

Answer 1

$_POST['submit'] is the name of the button, the name attribute. Just give the second form a name like submit_second
if(isset($_POST['submit']))
{
//Your code for the first form
}else if (isset($_POST['submit_second']))
{
//Your code for second form
}
And so I would check the fields in JS and send Ajax