You will have to use the Campaign Monitor Api: http://campaignmonitor.github.io/createsend-php/ Or if you only use it for newsletter sign up, you can use a plugin: https://wordpress.org/plugins/search.php?q=campaign+monitor
Update a string from the front-end
If you’re refering to WP internal forms: WordPress has an built in security mechanism called “wp nonces” (https://codex.wordpress.org/WordPress_Nonces) – that’s an unique hash generated for every WP-form. Every Backend code should check for the according nonce to make sure that The form submission wasn’t done from outside (usually attacks or bots) The form submission was … Read more
The issue I worked out was that I’d previously built another form on my staging site using CCF, I went through phpmyadmin posts and deleted everything ccf-based then rebuilt my form and since there were no previous forms this form was assigned the id 122 and my template now works 🙂 It would still be … Read more
The full answer is that you could code it by hand or use a plugin. 🙂 Many form plugins, however, generate loads of HTML and CSS already, and due to the fact that styling forms is a huge pain (even for a CSS geek like me), you’d be writing tons of CSS overrides to overcome … Read more
got this working! here is an example of how to set up the form. <script type=”text/javascript”> jQuery(document).ready(function($) { $(‘.metabox_submit’).click(function(e) { e.preventDefault(); $(‘#publish’).click(); }); $(‘#add-row’).on(‘click’, function() { var row = $(‘.empty-row.screen-reader-text’).clone(true); row.removeClass(’empty-row screen-reader-text’); row.insertBefore(‘#repeatable-fieldset-one tbody>tr:last’); return false; }); $(‘.remove-row’).on(‘click’, function() { $(this).parents(‘tr’).remove(); return false; }); $(‘#repeatable-fieldset-one tbody’).sortable({ opacity: 0.6, revert: true, cursor: ‘move’, handle: ‘.sort’ }); … Read more
Reading and writing to a file is going to be dicey. You are going to be fighting with file permissions if you save anywhere but the wp-content/uploads directory (and it looks like you want to save to the plugins directory). If you have sufficient control of the server, you may get this to work by … Read more
I will say, I don’t exactly understand your words “when a front-end sets a date”… I’m assuming wp-admin setup. Go find a post expiration plugin. There seem to be more than a couple of these out there. The plugin I’ve used ws “Post Expirator” Awesome tool. You can create a start posting and stop posting … Read more
Displaying errors on the front end from my plugin
Not 100 % positive but my understanding is that a Nonce expire as soon as you use it. It can only be used for one transaction. So it seems to be logic that it expire after the first call. You should probably return a new one with the response of your first validated request and … Read more