Documentation & API reference
Functions
Primary tabs
Name |
Location | Description | Direct uses | Strings |
|---|---|---|---|---|
| hook_file_download_access |
drupal/ |
Control download access to files. | ||
| hook_file_download_access_alter |
drupal/ |
Alter the access rules applied to a file download. | ||
| hook_file_insert |
drupal/ |
Respond to a file being added. | ||
| hook_file_load |
drupal/ |
Load additional information into file objects. | ||
| hook_file_mimetype_mapping_alter |
drupal/ |
Alter MIME type mappings used to determine MIME type from a file extension. | ||
| hook_file_move |
drupal/ |
Respond to a file that has been moved. | ||
| hook_file_presave |
drupal/ |
Act on a file being inserted or updated. | ||
| hook_file_update |
drupal/ |
Respond to a file being updated. | ||
| hook_file_url_alter |
drupal/ |
Alter the URL to a file. | ||
| hook_file_validate |
drupal/ |
Check that files meet a given criteria. | ||
| hook_filter_format_disable |
drupal/ |
Perform actions when a text format has been disabled. | ||
| hook_filter_format_insert |
drupal/ |
Perform actions when a new text format has been created. | ||
| hook_filter_format_update |
drupal/ |
Perform actions when a text format has been updated. | ||
| hook_filter_info |
drupal/ |
Define content filters. | ||
| hook_filter_info_alter |
drupal/ |
Perform alterations on filter definitions. | ||
| hook_flush_caches |
drupal/ |
Add a list of cache tables to be cleared. | ||
| hook_form |
drupal/ |
Display a node editing form. | ||
| hook_forms |
drupal/ |
Map form_ids to form builder functions. | ||
| hook_form_alter |
drupal/ |
Perform alterations before a form is rendered. | ||
| hook_form_BASE_FORM_ID_alter |
drupal/ |
Provide a form-specific alteration for shared ('base') forms. | ||
| hook_form_FORM_ID_alter |
drupal/ |
Provide a form-specific alteration instead of the global hook_form_alter(). | ||
| hook_form_system_theme_settings_alter |
drupal/ |
Allow themes to alter the theme-specific settings form. | ||
| hook_help |
drupal/ |
Provide online user help. | ||
| hook_hook_info |
drupal/ |
Defines one or more hooks that are exposed by a module. | ||
| hook_hook_info_alter |
drupal/ |
Alter information from hook_hook_info(). | ||
| hook_html_head_alter |
drupal/ |
Alter XHTML HEAD tags before they are rendered by drupal_get_html_head(). | ||
| hook_image_default_styles |
drupal/ |
Provide module-based image styles for reuse throughout Drupal. | ||
| hook_image_effect_info |
drupal/ |
Define information about image effects provided by a module. | ||
| hook_image_effect_info_alter |
drupal/ |
Alter the information provided in hook_image_effect_info(). | ||
| hook_image_styles_alter |
drupal/ |
Modify any image styles provided by other modules or the user. | ||
| hook_image_style_delete |
drupal/ |
Respond to image style deletion. | ||
| hook_image_style_flush |
drupal/ |
Respond to image style flushing. | ||
| hook_image_style_save |
drupal/ |
Respond to image style updating. | ||
| hook_image_toolkits |
drupal/ |
Define image toolkits provided by this module. | ||
| hook_init |
drupal/ |
Perform setup tasks for non-cached page requests. | ||
| hook_insert |
drupal/ |
Respond to creation of a new node. | ||
| hook_install |
drupal/ |
Perform setup tasks when the module is installed. | ||
| hook_install_tasks |
drupal/ |
Return an array of tasks to be performed by an installation profile. | ||
| hook_install_tasks_alter |
drupal/ |
Alter the full list of installation tasks. | ||
| hook_js_alter |
drupal/ |
Perform necessary alterations to the JavaScript before it is presented on the page. | ||
| hook_language_fallback_candidates_alter |
drupal/ |
Perform alterations on the language fallback candidates. | ||
| hook_language_init |
drupal/ |
Allows modules to act after language initialization has been performed. | ||
| hook_language_negotiation_info |
drupal/ |
Define language negotiation providers. | ||
| hook_language_negotiation_info_alter |
drupal/ |
Perform alterations on language negoiation providers. | ||
| hook_language_switch_links_alter |
drupal/ |
Perform alterations on language switcher links. | ||
| hook_language_types_info |
drupal/ |
Define language types. | ||
| hook_language_types_info_alter |
drupal/ |
Perform alterations on language types. | ||
| hook_library |
drupal/ |
Registers JavaScript/CSS libraries associated with a module. | ||
| hook_library_alter |
drupal/ |
Alters the JavaScript/CSS library registry. | ||
| hook_load |
drupal/ |
Act on nodes being loaded from the database. |