1. 1.16.x includes/common.inc
  2. 1.17.x includes/common.inc
  3. 1.18.x includes/common.inc

Common functions that many Backdrop modules will need to reference.

The functions that are critical and need to be available even when serving a cached page are instead located in bootstrap.inc.




Namesort descending Description
archiver_get_archiver Creates the appropriate archiver for the specified file.
archiver_get_extensions Returns a string of supported archive extensions.
archiver_get_info Retrieves a list of all available archivers.
backdrop_access_denied Delivers an "access denied" error to the browser.
backdrop_add_css Adds a cascading stylesheet to the stylesheet queue.
backdrop_add_feed Adds a feed URL for the current page.
backdrop_add_html_head Adds output to the HEAD tag of the HTML page.
backdrop_add_html_head_link Adds a LINK tag with a distinct 'rel' attribute to the page's HEAD.
backdrop_add_js Adds a JavaScript file, setting, or inline code to the page.
backdrop_add_library Adds multiple JavaScript or CSS files at the same time.
backdrop_add_tabledrag Assists in adding the tableDrag JavaScript behavior to a themed table.
backdrop_aggregate_css Aggregation callback: Aggregates CSS files and inline content.
backdrop_aggregate_js Default callback to aggregate JavaScript files.
backdrop_array_diff_assoc_recursive Recursively computes the difference of arrays with additional index check.
backdrop_array_get_nested_value Retrieves a value from a nested array with variable depth.
backdrop_array_nested_key_exists Determines whether a nested array contains the requested keys.
backdrop_array_set_nested_value Sets a value in a nested array with variable depth.
backdrop_array_unset_nested_value Unsets a value in a nested array with variable depth.
backdrop_attributes Converts an associative array to an XML/HTML tag attribute string.
backdrop_build_css_cache Aggregates and optimizes CSS files into a cache file in the files directory.
_backdrop_build_css_path Prefixes all paths within a CSS file for backdrop_build_css_cache().
backdrop_build_js_cache Aggregates JavaScript files into a cache file in the files directory.
backdrop_check_incompatibility Checks whether a version is compatible with a given dependency.
backdrop_clean_css_identifier Prepares a string for use as a CSS identifier (element, class, or ID name).
backdrop_clear_css_cache Deletes old cached CSS files.
backdrop_clear_js_cache Deletes old cached JavaScript files and variables.
backdrop_common_theme Provides theme registration for themes across .inc files.
backdrop_cron_run Executes a cron run when called.
_backdrop_default_html_head Returns elements that are always displayed in the HEAD tag of the HTML page.
backdrop_delete_file_if_stale Deletes files modified more than a set time ago.
backdrop_deliver_html_page Packages and sends the result of a page callback to the browser as HTML.
backdrop_deliver_page Delivers a page callback result to the browser in the appropriate format.
backdrop_encode_path Encodes a Backdrop path for use in a URL.
backdrop_exit Performs end-of-request tasks.
backdrop_explode_tags Explodes a string of tags into an array.
backdrop_flush_all_caches Flushes all cached data on the site.
_backdrop_flush_css_js Changes the dummy query string added to all CSS and JavaScript files.
backdrop_get_bare_domain Take a full URL and return only the bare domain, with sub-domains removed.
backdrop_get_breadcrumb Gets the breadcrumb trail for the current page.
backdrop_get_css Returns a themed representation of all stylesheets to attach to the page.
backdrop_get_destination Prepares a 'destination' URL query parameter for use with backdrop_goto().
backdrop_get_favicon Gets the file location and mime type for site favicon.
backdrop_get_feeds Gets the feed URLs for the current page.
backdrop_get_filetransfer_info Assembles the Backdrop FileTransfer registry.
backdrop_get_hash_salt Gets a salt useful for hardening against SQL injection.
backdrop_get_html_head Retrieves output to be displayed in the HEAD tag of the HTML page.
backdrop_get_js Returns a themed presentation of all JavaScript code for the current page.
backdrop_get_library Retrieves information for a JavaScript/CSS library.
backdrop_get_logo Gets the site logo.
backdrop_get_logo_info Gets the path and dimensions of the site wide logo.
backdrop_get_path Returns the path to a system item (module, theme, etc.).
backdrop_get_private_key Ensures the private key variable used to generate tokens is set.
backdrop_get_profile Gets the name of the currently active installation profile.
backdrop_get_query_array Splits a URL-encoded query string into an array.
backdrop_get_query_parameters Processes a URL query parameter array to remove unwanted elements.
backdrop_get_schema_unprocessed Returns the unprocessed and unaltered version of a module's schema.
backdrop_get_token Generates a token based on $value, the user session, and the private key.
backdrop_get_updaters Assembles the Backdrop Updater registry.
backdrop_goto Sends the user to a different page.
backdrop_goto_deprecated A wrapper function for deprecated menu entries redirecting to their new path.
backdrop_group_css Grouping callback: Groups CSS items by their types, media, and browsers.
backdrop_group_js Default callback to group JavaScript items.
backdrop_html_class Prepares a string for use as a valid class name.
backdrop_html_id Prepares a string for use as a valid HTML ID and guarantees uniqueness.
backdrop_http_build_query Parses an array into a valid, rawurlencoded query string.
backdrop_http_header_attributes Formats an attribute string for an HTTP header.
backdrop_http_request Performs an HTTP request.
_backdrop_http_use_proxy Helper function for determining hosts excluded from needing a proxy.
backdrop_implode_tags Implodes an array of tags into a string.
backdrop_install_schema Creates all tables defined in a module's hook_schema().