Contains filters are case sensitive
Name Locationsort descending Description
system_regional_settings modules/system/system.admin.inc Form builder; Configure the site regional settings.
system_rss_feeds_settings modules/system/system.admin.inc Form builder; Configure how the site handles RSS feeds.
system_image_toolkit_settings_submit modules/system/system.admin.inc Submit handler for system_image_toolkit_settings().
system_image_toolkit_settings modules/system/system.admin.inc Form builder; Configure site image toolkit usage.
system_file_system_settings modules/system/system.admin.inc Form builder; Configure the site file handling.
system_clear_page_cache_submit modules/system/system.admin.inc Submit callback; clear the page cache.
system_clear_cache_submit modules/system/system.admin.inc Submit callback; clear system caches.
system_performance_settings modules/system/system.admin.inc Form builder; Configure site performance settings.
system_logging_settings_validate modules/system/system.admin.inc Validates the submitted logging form.
system_logging_settings modules/system/system.admin.inc Form builder; Configure error reporting settings.
system_run_cron_submit modules/system/system.admin.inc Submit callback; run cron.
system_cron_settings modules/system/system.admin.inc Form builder; Cron form.
system_site_information_settings_submit modules/system/system.admin.inc Form submission handler for system_site_information_settings().
_system_site_information_settings_validate_path modules/system/system.admin.inc Helper function for the system_site_information_settings form.
system_site_information_settings_validate modules/system/system.admin.inc Validates the submitted site-information form.
system_site_information_settings modules/system/system.admin.inc Form builder; The general site information form.
system_modules_uninstall_submit modules/system/system.admin.inc Processes the submitted uninstall form.
system_modules_uninstall_validate modules/system/system.admin.inc Validates the submitted uninstall form.
system_modules_uninstall_confirm_form modules/system/system.admin.inc Confirm uninstall of selected modules.
system_admin_config_page modules/system/system.admin.inc Menu callback; Provide the administration overview page.
system_admin_menu_block_page modules/system/system.admin.inc Provide a single block from the administration menu as a page.
system_admin_index modules/system/system.admin.inc Menu callback; prints a listing of admin tasks, organized by module.
system_themes_page modules/system/system.admin.inc Menu callback; displays a listing of all themes.
system_utf8mb4_convert_form_submit modules/system/system.admin.inc Form submit function; convert existing database tables to utf8mb4.
system_themes_admin_form modules/system/system.admin.inc Form to select the administration theme.
hook_batch_alter modules/system/system.api.php Alter batch information before a batch is processed.
hook_stream_wrappers modules/system/system.api.php Registers PHP stream wrapper implementations associated with a module.
hook_file_load modules/system/system.api.php Load additional information into file entities.
hook_file_validate modules/system/system.api.php Check that files meet a given criteria.
hook_modules_uninstalled modules/system/system.api.php Perform necessary actions after modules are uninstalled.
hook_file_presave modules/system/system.api.php Act on a file being inserted or updated.
hook_modules_disabled modules/system/system.api.php Perform necessary actions after modules are disabled.
hook_file_insert modules/system/system.api.php Respond to a file being added.
hook_file_update modules/system/system.api.php Respond to a file being updated.
hook_file_copy modules/system/system.api.php Respond to a file that has been copied.
hook_file_move modules/system/system.api.php Respond to a file that has been moved.
hook_file_predelete modules/system/system.api.php Act prior to file deletion.
hook_file_delete modules/system/system.api.php Respond to file deletion.
hook_modules_enabled modules/system/system.api.php Perform necessary actions after modules are enabled.
hook_modules_installed modules/system/system.api.php Perform necessary actions after modules are installed.
hook_modules_preenable modules/system/system.api.php Perform necessary actions before modules are enabled.
hook_modules_preinstall modules/system/system.api.php Perform necessary actions before modules are installed.
hook_flush_caches modules/system/system.api.php Add a list of cache tables to be cleared.
hook_mail modules/system/system.api.php Prepare a message based on parameters; called from backdrop_mail().
hook_watchdog modules/system/system.api.php Log an event message.
hook_file_download modules/system/system.api.php Control access to private file downloads and specify HTTP headers.
hook_file_url_alter modules/system/system.api.php Alter the URL to a file.
hook_requirements modules/system/system.api.php Check installation requirements and do status reporting.
hook_schema modules/system/system.api.php Define the current version of the database schema.
hook_schema_alter modules/system/system.api.php Perform alterations to existing database schemas.

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