Computed Field code snippets

This is a collection of sample code snippets that can be used in CCK fields enabled by the Computed Field module.

If you have a snippet that performs some new function, please add a new page to this section. If you have a variation on an already documented function (e.g. a different method to achieve broadly the same effect) please add a comment to the relevant page.

Apply on existed nodes

If create computed field on existed nodes, you must update all materials for compute values for new fields.

Display parent taxonomy term

Whether to assign only the lowest level taxonomy term to a page, or also assign the parent terms so that they display, is a frequent issue.

How to output label instead of value from select list

I couldn't figure out how to get the actual label to print instead of the key value. Here is what did the trick for me....

use field_info_field()

Live Computations during node creation or edit

There has been so many requests regarding "live computation" during node add/edit. Here's how i got mine working without breaking anything.

Tip: Unset an unlimited-value Computed Field

I'm posting this here, because it took me way too long to figure out ...

Guide maintainers