This table shows how many of the hooks related to content in all its forms fit together, in terms of high-level operations.

When Performing user comment node type term / vocabulary node
When Performing user comment node type term / vocabulary node
before create hook_user('register') hook_access('create')
during hook_user('insert')

-
-

 hook_comment('insert')
-
-		 hook_node_type('insert')

-
-

 hook_taxonomy('insert')
-
-		 hook_insert()

hook_nodeapi('insert')
hook_node_access_records()
after load hook_user'('load') hook_load()
hook_nodeapi('load')
before update -

hook_profile_alter()
-
hook_user('submit')
hook_user('validate')
-

 -
-

-
-
hook_comment('validate')
-

 hook_access('update')

-
hook_submit
hook_nodeapi('submit')
hook_validate()
hook_nodeapi('validate')
during hook_user('update')
-		 hook_comment('update')
-		 hook_node_type('update')
-		 hook_taxonomy('update')
-		 hook_update
hook_nodeapi('update')
after hook_user('after_update')
before delete -
hook_user('delete')
-		 -
hook_comment('delete')
-		 -
hook_node_type('delete')
-		 -
hook_taxonomy('delete')
-		 hook_access('delete')
hook_delete()
hook_nodeapi('delete')
during delete revision hook_nodeapi('delete revision')
before edit -
-
hook_user('form')
-		 -
-

hook_comment('form')
-

 hook_prepare()
hook_nodeapi('prepare')
hook_form()

[hook_form_alter()]
before view -
hook_user('view')
-
-		 -
hook_comment('view')

-
-

 hook_access('view')
hook_view()
hook_nodeapi('view')

hook_nodeapi('alter')
before print hook_nodeapi('print')
during indexing hook_nodeapi('update index')
before view as search result
(hook_search_item
exists)		 hook_nodeapi('search result')
hook_user('categories')
during set active hook_user('login')
hook_auth()		 hook_comment('publish') could be hook_update() and hook_nodeapi('update')
during set inactive hook_user('logout') hook_comment('unpublish') could be hook_update() and hook_nodeapi('update')
during feed generation hook_nodeapi('rss item')
as comment_nodeapi		 hook_nodeapi('rss item')

Many hooks are not listed: only those related to a typical create/retrieve/update/delete workflow. For details on the hooks, refer to the API site.

Comments

AmrMostafa’s picture

AmrMostafa commented
  • hook_validate and hook_submit are missing at before-creation - node.
  • The order is wrong in before-update - node. The right is hook_validate -> hook_nodeapi('validate') -> hook_submit -> hook_nodeapi('submit').

A much needed resource!