drupal 6.x

Need to hide the formatting guidelines and description that show up by default on Drupal's comment form? Try something like this:

function mymodule_form_alter(&$form, &$form_state, $form_id) {
  switch ($form_id) {
    case "comment_form":
      // begin: hide 'filtered html' input format guidelines and description
      unset($form['comment_filter']['format']['format']['guidelines']['#value']);
      unset($form['comment_filter']['format'][2]['#value']);
      // end
    break;
  }
}

Need to add a submit handler function to your Drupal form so you can execute some custom code when a form is submitted? Yes? Well then, shuck 'em up partner, try something like this in your module:

Note, since writing this article I learned about Views Arguments 'action to take if argument not present' summary list with counts... it is definitely easier than the approach I documented below. I'll leave what I have done below because I'm not sure the summary list option will handle all cases. Someday I'll update this post to include a tutorial on how to use the aformentioned approach, someday.

Here is how you can hide certain local task menu tabs in Drupal by utilizing theme_menu_local_task. The example below demonstrates how to hide the 'View' tab on user account profile pages. This code goes in your theme's template.php file.

Need to get the HTML output from a URL and place it in Drupal's cache? Well then, you may do something like this:

Here is how to get a Drupal 6 CCK Filefield Imagefield default image path:

So after the line dancing party at the pole barn in Corn County last night, I needed to prevent/hide Drupal messages from being displayed to certain user roles under certain conditions. Luckily Betty Sue, from Corn City, told me about theme_status_messages().

After copying theme_status_messages() into my theme's template.php file and renaming the function to mytheme_status_messages, I was ready to rock.

From a terminal...

Patching a Single File

Navigate to your module's directory that contains the changes you have made:

cd /var/www/my-website/sites/all/modules/custom/my_module

Create the patch file by running a diff on your OTHER module file and comparing it to your updated module file:

diff -ruN /var/www/my-OTHER-website/sites/all/modules/custom/my_module/my_module.module my_module.module > my_module.module.patch

Copy the patch file to the same directory as the file that needs to be patched:

So after rolling out a bunch of new changes to a website, which involved an update to the Date module, a bug was introduced that was not detected during testing.

Here is how to modify a CCK field on a node form in Drupal. In this particular example, the CCK field I am trying to modify is called 'field_news_image' and is inside a CCK Field Group called 'group_image'. The modification hides the field by wrapping a div around the field and setting the div's display to none.