Undefined index in PHP post

Question

I take a form and do variable checking in jquery then pass it to a php file in ajax but I am getting this notice

Notice: Undefined index: your_name in C:\\xampp\\htdocs\

Answer 1

not seen any issue in your js code but your php code have lil flaw

 <?php
include 'inc/class.phpmailer.php';

//it can be like that or
if(!isset($_POST['your_name'])){
    echo "something is wrong here"; 
}
else{
    $your_name=$_POST["your_name"]; 
}

Note: PHP Error handling should be properly done or you can disable the php warnings

Answer 2

$_POST['your_name'] cannot be assigned to the variable $your_name when the "your_name" isn't posted cause it doesn't exist .. you have to check if it exists first and then assign it to the variable .. the code should be like the following :

if (isset($_POST['your_name'])) {
   $your_name = $_POST['your_name'];
}
else { 
   echo "something is wrong here";
}

Answer 3

You are getting value of your_name first and then checking if it exists

$your_name=$_POST["your_name"];  <--- this line should be inside an if isset
if(!isset($_POST['your_name'])){

Do something like the following

if (isset($_POST['your_name'])) {
   $your_name = $_POST['your_name'];
   // do whatever here
}