Applied to the SQL WHERE statement giving the categories to be excluded by the get_categories function. Typically, a plugin would add to this list, in order to exclude certain categories or groups of categories from category lists. Filter function arguments: excluded category WHERE clause, get_categories options list.
This database has information for all major versions from WP 1.2.1 through 5.7.
|1.5.2||wp-includes/template-functions-category.php||265||View in context||filter|
|2.0||wp-includes/template-functions-category.php||293||View in context||filter|
|2.0.11||wp-includes/template-functions-category.php||294||View in context||filter|
|2.1||wp-includes/category.php||72||View in context||filter|
|2.2||wp-includes/category.php||72||View in context||filter|
This hook does not occur in the most recent version of WordPress (5.7). Do not use it. It is deprecated. You should look at the list of "related hooks" below to see if you can figure out what replaced it.
We find related hooks using word stems. list_cats_exclusions has 3 significant word stem(s):
exclusions. Note that some of the hooks below may not appear in all versions of WP.