Ticket #21265: bug_ajax.php

<?php
        require 'wp-load.php';
        
        add_action('wp_ajax_mysettings_save' , 'mysettings_save');
        
        function mysettings_save() {
                //DO SOMETHING USEFULL HERE
                exit('It worked!');
        }

?>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>
<form>
        <p><input type="text" name="my_settings_field" value=""></p>
        <button>Save</button>
        <?php settings_fields('my_settings'); ?>
</form>
<script>
        $('form').submit(function(event){
                event.preventDefault();
                
                $.post('wp-admin/admin-ajax.php?action=mysettings_save', $(this).serialize(), function(data){ console.log(data); });
        });
</script>