Contains filters are case sensitive
Namesort descending Location Description
drupal_requirements_url Deprecated includes/drupal.inc Returns a URL for proceeding to the next page after a requirements problem.
drupal_retrieve_form Deprecated includes/drupal.inc Retrieves the structured array that defines a given form.
drupal_rewrite_settings Deprecated includes/drupal.inc Replaces values in settings.php with values in the submitted array.
drupal_rmdir Deprecated includes/drupal.inc Removes a directory.
drupal_save_session Deprecated includes/drupal.inc Determines whether to save session data of the current request.
drupal_schema_fields_sql Deprecated includes/drupal.inc Retrieves a list of fields from a table schema.
drupal_send_headers Deprecated includes/drupal.inc Sends the HTTP response headers that were previously set, adding defaults.
drupal_serve_page_from_cache Deprecated includes/drupal.inc Sets HTTP headers in preparation for a cached page response.
drupal_session_commit Deprecated includes/drupal.inc Commits the current session, if necessary.
drupal_session_destroy_uid Deprecated includes/drupal.inc Ends a specific user's session(s).
drupal_session_initialize Deprecated includes/drupal.inc Initializes the session handler, starting a session if needed.
drupal_session_regenerate Deprecated includes/drupal.inc Called when an anonymous user becomes authenticated or vice-versa.
drupal_session_start Deprecated includes/drupal.inc Starts a session forcefully, preserving already set session data.
drupal_session_started Deprecated includes/drupal.inc Returns whether a session has been started.
drupal_set_breadcrumb Deprecated includes/drupal.inc Sets the breadcrumb trail for the current page.
drupal_set_installed_schema_version Deprecated includes/drupal.inc Update the installed version information for a module.
drupal_set_message Deprecated includes/drupal.inc Sets a message to display to the user.
drupal_set_time_limit Deprecated includes/drupal.inc Attempts to set the PHP maximum execution time.
drupal_settings_initialize Deprecated includes/drupal.inc Sets the base URL, cookie domain, and session name from configuration.
drupal_set_title Deprecated includes/drupal.inc Sets the title of the current page.
drupal_site_offline Deprecated includes/drupal.inc Delivers a "site is under maintenance" message to the browser.
drupal_sort_title Deprecated includes/drupal.inc Sorts a structured array by 'title' key (no # prefix).
drupal_sort_weight Deprecated includes/drupal.inc Sorts a structured array by 'weight' key (no # prefix).
drupal_static Deprecated includes/drupal.inc Provides central static variable storage.
drupal_static_reset Deprecated includes/drupal.inc Resets one or all centrally stored static variable(s).
drupal_strip_dangerous_protocols Deprecated includes/drupal.inc Strips dangerous protocols (e.g. 'javascript:') from a URI.
drupal_strlen Deprecated includes/drupal.inc Counts the number of characters in a UTF-8 string.
drupal_strtolower Deprecated includes/drupal.inc Lowercase a UTF-8 string.
drupal_strtoupper Deprecated includes/drupal.inc Uppercase a UTF-8 string.
drupal_substr Deprecated includes/drupal.inc Cuts off a piece of a string based on character indices and counts.
drupal_system_listing Deprecated includes/drupal.inc Returns information about system object files (modules, themes, etc.).
drupal_tempnam Deprecated includes/drupal.inc Creates a file with a unique filename in the specified directory.
drupal_theme_access Deprecated includes/drupal.inc Determines if a theme is available to use.
drupal_theme_initialize Deprecated includes/drupal.inc Initializes the theme system by loading the theme.
drupal_theme_rebuild Deprecated includes/drupal.inc Forces the system to rebuild the theme registry.
drupal_truncate_bytes Deprecated includes/drupal.inc Truncates a UTF-8-encoded string safely to a number of bytes.
drupal_ucfirst Deprecated includes/drupal.inc Capitalizes the first letter of a UTF-8 string.
drupal_uninstall_modules Deprecated includes/drupal.inc Uninstalls a given list of disabled modules.
drupal_uninstall_schema Deprecated includes/drupal.inc Removes all tables defined in a module's hook_schema().
drupal_unlink Deprecated includes/drupal.inc Deletes a file.
drupal_unpack Deprecated includes/drupal.inc Unserializes and appends elements from a serialized string.
drupal_validate_form Deprecated includes/drupal.inc Validates user-submitted form data in the $form_state array.
drupal_validate_utf8 Deprecated includes/drupal.inc Checks whether a string is valid UTF-8.
drupal_valid_http_host Deprecated includes/drupal.inc Validates that a hostname (for example $_SERVER['HTTP_HOST']) is safe.
drupal_valid_path Deprecated includes/drupal.inc Checks a path exists and the current user has access to it.
drupal_valid_test_ua Deprecated includes/drupal.inc Returns the test prefix if this is an internal request from SimpleTest.
drupal_valid_token Deprecated includes/drupal.inc Validates a token based on $value, the user session, and the private key.
drupal_var_export Deprecated includes/drupal.inc Backdrop-friendly var_export().
drupal_verify_install_file Deprecated includes/drupal.inc Verifies the state of the specified file.
drupal_verify_profile Deprecated includes/drupal.inc Verifies an installation profile for installation.

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