@Rarst @StephenHarris @Wyck
Here's the obscurity with WP_AJAX molded into a plugin. HOW-TO: Just open a template that has a loop. It should add two links to each post named UNO and DUE. Click one of them, inspect the
admin-ajax.php
result. It will always be the class name of the first class;
ChildClassUNO
.