ajax - Read For Learn

AJAX – get_posts for a specific post type returns empty

Is it good practice to use REST API in wp-admin plugin page? [closed]

You can and should totally do this in my opinion. Especially if you have a RESTful case. I personally only use admin-ajax for very simple things to almost no more.

Simple AJAX code that refreshes every x seconds?

Set cors header for ajax requests

The send_headers hook is not fired during an (admin) AJAX request (because there is no “main WordPress query”, so the wp() function doesn’t run and therefore that hook doesn’t get fired either), hence if you want to send the CORS header (and any other headers), then just call header() from within your AJAX callback, like … Read more

Can I use application/json content type in WordPress

WordPress POST AJAX call, var_dump($_POST) NULL and AJAX response empty when inside ob_start

If you want to use the same function you have to detect ajax call (echo) from shortcode (return) like this : function get_attr_href() { ob_start(); var_dump($_POST); include ‘articlesTabs.php’; $html = ob_get_clean(); if(wp_doing_ajax()){ echo $html; wp_die(); } return $html; }