| aggregator_form_category_validate | modules/aggregator/aggregator.module | Validate aggregator_form_feed form submissions. |
| aggregator_form_feed_validate | modules/aggregator/aggregator.module | Validate aggregator_form_feed form submissions. |
| comment_admin_overview_validate | modules/comment/comment.module | We can't execute any 'Update options' if no comments were selected. |
| contact_admin_edit_validate | modules/contact/contact.module | Validate the contact category edit page form submission. |
| contact_mail_page_validate | modules/contact/contact.module | Validate the site-wide contact page form submission. |
| do_search | modules/search/search.module | Do a query on the full-text search index for a word or words. |
| drupal_validate_form | includes/form.inc | Validates user-submitted form data from a global variable using
the validate functions defined in a structured form array. |
| fileupload_validate | developer/examples/fileupload.module | Implementation of hook_validate(). |
| file_check_directory | includes/file.inc | Check that the directory exists and is writable. Directories need to
have execute permissions to be considered a directory by FTP servers, etc. |
| filter_admin_format_form_validate | modules/filter/filter.module | Validate filter format form submissions. |
| form_error | includes/form.inc | Flag an element as having an error. |
| form_get_error | includes/form.inc | Return the error message filed against the form with the specified name. |
| form_get_errors | includes/form.inc | Return an associative array of all errors. |
| form_set_error | includes/form.inc | File an error against a form element. If the name of the element is
edit[foo][bar] then you may pass either foo or foo][bar as $name
foo will set an error for all its children. |
| forum_validate | modules/forum/forum.module | Implementation of hook_validate(). |
| hook_prepare | developer/hooks/node.php | This is a hook used by node modules. It is called after load but before the
node is shown on the add/edit form. |
| hook_validate | developer/hooks/node.php | Verify a node editing form. |
| image_gd_settings | includes/image.inc | Retrieve settings for the GD2 toolkit. |
| locale_add_language_form_validate | includes/locale.inc | Validate the language addition form. |
| multipage_form_example_custom_validate | developer/examples/multipage_form_example.module | Validate our form. |
| nodeapi_example_nodeapi | developer/examples/nodeapi_example.module | Implementation of hook_nodeapi(). |
| node_example_validate | developer/examples/node_example.module | Implementation of hook_validate(). |
| node_type_form_validate | modules/node/content_types.inc | Implementation of hook_form_validate(). |
| node_validate | modules/node/node.module | Perform validation checks on the given node. |
| path_form_validate | modules/path/path.module | Verify that a new URL alias is valid |
| path_nodeapi | modules/path/path.module | Implementation of hook_nodeapi(). |
| poll_validate | modules/poll/poll.module | Implementation of hook_validate(). |
| profile_field_form_validate | modules/profile/profile.module | Validate profile_field_form submissions. |
| search_form_submit | modules/search/search.module | Process a search form submission. |
| system_theme_settings | modules/system/system.module | Menu callback; display theme configuration for entire site and individual themes. |
| taxonomy_node_validate | modules/taxonomy/taxonomy.module | Make sure incoming vids are free tagging enabled. |
| upload_admin_settings_validate | modules/upload/upload.module | Form API callback to validate the upload settings form. |
| user_admin_access_add | modules/user/user.module | Menu callback: add an access rule |
| user_admin_access_edit | modules/user/user.module | Menu callback: edit an access rule |
| _install_settings_form_validate | install.php | Helper function for install_settings_validate. |
