Contains filters are case sensitive
Name Locationsort descending Description
hook_updater_info modules/system/system.api.php Provide information on Updaters (classes that can update Backdrop).
hook_token_info_alter modules/system/system.api.php Alter the metadata about available placeholder tokens and token types.
hook_token_info modules/system/system.api.php Provide information about available placeholder tokens and token types.
hook_tokens_alter modules/system/system.api.php Alter replacement values for placeholder tokens.
hook_tokens modules/system/system.api.php Provide replacement values for placeholder tokens.
hook_url_outbound_alter modules/system/system.api.php Alters outbound URLs.
hook_url_inbound_alter modules/system/system.api.php Alters inbound URL requests.
hook_system_themes_page_alter modules/system/system.api.php Alters theme operation links.
hook_page_delivery_callback_alter modules/system/system.api.php Alters the delivery callback used to send the result of the page callback to the browser.
hook_archiver_info_alter modules/system/system.api.php Alter archiver information declared by other modules.
hook_archiver_info modules/system/system.api.php Declare archivers to the system.
hook_action_info_alter modules/system/system.api.php Alters the actions declared by another module.
hook_action_info modules/system/system.api.php Declares information about actions.
hook_file_mimetype_mapping_alter modules/system/system.api.php Alter MIME type mappings used to determine MIME type from a file extension.
hook_install_tasks_alter modules/system/system.api.php Alter the full list of installation tasks.
hook_html_head_alter modules/system/system.api.php Alter XHTML HEAD tags before they are rendered by backdrop_get_html_head().
hook_hook_info_alter modules/system/system.api.php Alter information from hook_hook_info().
hook_admin_paths modules/system/system.api.php Define administrative paths.
hook_admin_paths_alter modules/system/system.api.php Redefine administrative paths defined by other modules.
hook_update_last_removed modules/system/system.api.php Return a number which is no longer available as hook_update_N().
hook_cron modules/system/system.api.php Perform periodic actions.
hook_uninstall modules/system/system.api.php Remove any information that the module sets.
hook_enable modules/system/system.api.php Perform necessary actions after module is enabled.
hook_disable modules/system/system.api.php Perform necessary actions before module is disabled.
hook_autoload_info modules/system/system.api.php Define the paths to classes and interfaces within a module.
hook_autoload_info_alter modules/system/system.api.php Perform alterations to the list of classes included in the registry.
hook_install_tasks modules/system/system.api.php Return an array of tasks to be performed by an installation profile.
hook_backdrop_goto_alter modules/system/system.api.php Change the page the user is sent to by backdrop_goto().
system_admin_drivers_page modules/system/system.drivers.inc
system_update_1072 modules/system/system.install Add 'jquery-html-prefilter-3.5.0.js' to the 'jquery' library.
system_update_1070 modules/system/system.install Set file_temporary_path on existing sites, if not already set.
system_update_1004 modules/system/system.install Create the "state" table for the state storage system.
system_update_1012 modules/system/system.install Convert cron settings to use configuration files.
system_update_1026 modules/system/system.install Convert file system, clean URL, profile, and theme variables to config.
system_update_1037 modules/system/system.install Set the default value for canonical_secure option. Check if old menu item exists and remove it.
system_update_1017 modules/system/system.install Moves system logging settings from variables to config.
system_update_1015 modules/system/system.install Convert RSS publishing settings to use configuration files.
system_update_1073 modules/system/system.install Set config_sync_clear_staging on existing sites, if not already set.
system_update_1067 modules/system/system.install Add default value for form_cache_expiration.
system_update_1025 modules/system/system.install Convert block positioning and configuration to the default layout.
system_update_1048 modules/system/system.install Set background fetch defaults.
system_update_1047 modules/system/system.install Provide a default value for maintenance_page_maximum_age.
system_update_1027 modules/system/system.install Remove the per-user cache column from the session table.
system_update_1058 modules/system/system.install Clarify state "menu_expanded" as "menus_containing_expanded_items".
system_update_1077 modules/system/system.install Explicitly set the admin theme to an actual theme, instead of the special 'Default theme' option.
system_update_1010 modules/system/system.install Remove the registry and registry_file tables.
system_update_1018 modules/system/system.install Moves authorize system settings from variable to config.
system_update_1063 modules/system/system.install Set a default value for the X-Frame-Options header. This will not allow the site to be rendered in an iframe on another domain unless specified.
system_update_1030 modules/system/system.install Convert mail system variable to config.
system_update_1056 modules/system/system.install Move incorrectly stored "log_row_limit" setting.

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