Loading a content via AJAX in a Bootstrap popover is a very common pattern and, although it is not supported out of the box by Bootstrap, it is very easy to get this functionality with jQuery.
First we should add a
data-poload attribute to the elements you would like to add a pop over to. The content of this attribute should be the url to be loaded (absolute or relative):
<a href="#" title="blabla" data-poload="/test.php">blabla</a>
off('hover') prevents loading data more than once and
popover() binds a new hover event. If you want the data to be refreshed at every hover event, you should remove the
Please see the working JSFiddle of the example.
This blog post is created using my original answer on stackoverflow.