system.api.php

drupal
1. drupal7

Version 1.38 (checked in on 2009/05/24 at 17:39:34 by dries)

Hooks provided by Drupal core and the System module.

Funktionen & Methoden

Name	Beschreibung
custom_url_rewrite_inbound	custom_url_rewrite_inbound is not a hook, it's a function you can add to settings.php to alter incoming requests so they map to a Drupal path. This function is called before modules are loaded and the menu system is initialized and it changes…
custom_url_rewrite_outbound	custom_url_rewrite_outbound is not a hook, it's a function you can add to settings.php to alter all links generated by Drupal. This function is called from url(). This function is called very frequently (100+ times per page) so performance…
hook_boot	Perform setup tasks. See also, hook_init.
hook_cron	Perform periodic actions.
hook_db_rewrite_sql	Rewrite database queries, usually for access control.
hook_disable	Perform necessary actions before module is disabled.
hook_elements	Allows modules to declare their own Forms API element types and specify their default values.
hook_enable	Perform necessary actions after module is enabled.
hook_exit	Perform cleanup tasks.
hook_file_copy	Respond to a file that has been copied.
hook_file_delete	Respond to a file being deleted.
hook_file_download	Control access to private file downloads and specify HTTP headers.
hook_file_insert	Respond to a file being added.
hook_file_load	Load additional information into file objects.
hook_file_move	Respond to a file that has been moved.
hook_file_references	Report the number of times a file is referenced by a module.
hook_file_update	Respond to a file being updated.
hook_file_validate	Check that files meet a given criteria.
hook_flush_caches	Add a list of cache tables to be cleared.
hook_footer	Insert closing HTML.
hook_forms	Map form_ids to builder functions.
hook_form_alter	Perform alterations before a form is rendered.
hook_form_FORM_ID_alter	Provide a form-specific alteration instead of the global hook_form_alter().
hook_image_toolkits	Define image toolkits provided by this module.
hook_init	Perform setup tasks. See also, hook_boot.
hook_install	Install the current version of the database schema, and any other setup tasks.
hook_js_alter	Perform necessary alterations to the JavaScript before it is presented on the page.
hook_link	Define internal Drupal links.
hook_link_alter	Perform alterations before links on a comment are rendered. One popular use of this hook is to modify/remove links from other modules. If you want to add a link to the links section of a node, use hook_link instead.
hook_mail	Prepare a message based on parameters.
hook_mail_alter	Alter any aspect of the emails sent by Drupal. You can use this hook to add a common site footer to all outgoing emails; add extra header fields and/or modify the mails sent out in any way. HTML-izing the outgoing mails is one possibility. See also…
hook_modules_disabled	Perform necessary actions after modules are disabled.
hook_modules_enabled	Perform necessary actions after modules are enabled.
hook_modules_installed	Perform necessary actions after modules are installed.
hook_modules_uninstalled	Perform necessary actions after modules are uninstalled.
hook_page_alter	Perform alterations before a page is rendered.
hook_perm	Define user permissions.
hook_profile_alter	Perform alterations profile items before they are rendered. You may omit/add/re-sort/re-categorize, etc.
hook_query_alter	Perform alterations to a structured query.
hook_query_TAG_alter	Perform alterations to a structured query for a given tag.
hook_requirements	Check installation requirements and do status reporting.
hook_schema	Define the current version of the database schema.
hook_schema_alter	Perform alterations to existing database schemas.
hook_system_info_alter	Alter the information parsed from module and theme .info files
hook_theme	Register a module (or theme's) theme implementations.
hook_theme_registry_alter	Alter the theme registry information returned from hook_theme().
hook_uninstall	Remove any information that the module sets.
hook_update_last_removed	Return a number which is no longer available as hook_update_N().
hook_update_N	Perform a single update. For each patch which requires a database change add a new hook_update_N() which will be called by update.php.
hook_watchdog	Log an event message
hook_xmlrpc	Register XML-RPC callbacks.

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