num_trackbacks

num_trackbacks is an integer variable containing the number of trackbacks for this article.

It can also be used as a boolean variable; it is true if it is nonzero.

Example

In the example below, if there is at least one trackback for this article, the phrase There are n trackbacks for this article. (where n is the number of trackbacks) is displayed. If there are no trackbacks, the phrase Just wait, someone will link to this... is displayed:

{{if num_trackbacks}}

There are {{num_trackbacks}} trackbacks for this article.

{{else}}

Just wait, someone will link to this...

{{/if}}