如何在同一PHP页面上发送Jquery Ajax数据？

Question

hi i want to send javascript data via ajax to the same page in wordpress. Cannot fetch the data in testajax.php page. its shows Undefined index: name. And how to send the data on same php page rather than testajax.php ?

<script>
jQuery.ajax({
                type: "POST",
                url: 'http://localhost/projects/xxx/wordpress/wp-content/themes/xxx/testajax.php',
                data: {name:'foo'},
                success: function(data)
                {
                    alert('success');
                }
            }); 

Answer 1

var foo = 'somename';
jQuery.ajax({
    url:'yourUrl',
    type: "POST",
    data: {'name':foo},
    success: function(data)
        {
           alert('success');
        }
});

php

<?php
   if(isset($_POST['name'])){
      //Do whatever you want
   }else{
      //Do whatever you want
   }

?>

Answer 2

jQuery.ajax({
   url: "./_FILE_" // ./index.php for example
   type: "POST",
   data: {name:'foo'},
   success: function(data)
   {
      alert('success');
   }
});