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Title Object type File name Summary
drupal_autoload_test_trait.sh file modules/simpletest/tests/drupal_autoload_test/drupal_autoload_test_trait.sh Test traits for code registry testing.
drupal_autoload_trait function includes/bootstrap.inc Confirms that a trait is available.
drupal_base64_encode function includes/bootstrap.inc Returns a URL-safe, base64 encoded version of the supplied string.
drupal_basename function includes/file.inc Gets the filename from a given path.
drupal_block_denied function includes/bootstrap.inc Handles denied users.
drupal_bootstrap function includes/bootstrap.inc Ensures Drupal is bootstrapped to the specified phase.
DRUPAL_BOOTSTRAP_CONFIGURATION constant includes/bootstrap.inc First bootstrap phase: initialize configuration.
DRUPAL_BOOTSTRAP_DATABASE constant includes/bootstrap.inc Third bootstrap phase: initialize database layer.
DRUPAL_BOOTSTRAP_FULL constant includes/bootstrap.inc Final bootstrap phase: Drupal is fully loaded; validate and fix input data.
DRUPAL_BOOTSTRAP_LANGUAGE constant includes/bootstrap.inc Seventh bootstrap phase: find out language of the page.
DRUPAL_BOOTSTRAP_PAGE_CACHE constant includes/bootstrap.inc Second bootstrap phase: try to serve a cached page.
DRUPAL_BOOTSTRAP_PAGE_HEADER constant includes/bootstrap.inc Sixth bootstrap phase: set up the page header.
DRUPAL_BOOTSTRAP_SESSION constant includes/bootstrap.inc Fifth bootstrap phase: initialize session handling.
DRUPAL_BOOTSTRAP_VARIABLES constant includes/bootstrap.inc Fourth bootstrap phase: initialize the variable system.
drupal_build_css_cache function includes/common.inc Aggregates and optimizes CSS files into a cache file in the files directory.
drupal_build_form function includes/form.inc Builds and process a form based on a form id.
drupal_build_js_cache function includes/common.inc Aggregates JavaScript files into a cache file in the files directory.
DRUPAL_CACHE_CUSTOM constant includes/common.inc The block is handling its own caching in its hook_block_view().
DRUPAL_CACHE_GLOBAL constant includes/common.inc The block or element is the same for every user and page that it is visible.
DRUPAL_CACHE_PER_PAGE constant includes/common.inc The block or element can change depending on the page being viewed.
DRUPAL_CACHE_PER_ROLE constant includes/common.inc The block or element can change depending on the user's roles.
DRUPAL_CACHE_PER_USER constant includes/common.inc The block or element can change depending on the user.
drupal_cache_system_paths function includes/path.inc Cache system paths for a page.
drupal_check_incompatibility function includes/common.inc Checks whether a version is compatible with a given dependency.
drupal_check_memory_limit function includes/bootstrap.inc Compares the memory required for an operation to the available memory.
drupal_check_module function includes/install.inc Checks a module's requirements.
drupal_check_profile function includes/install.inc Checks an installation profile's requirements.
drupal_check_trusted_hosts function includes/bootstrap.inc Checks trusted HTTP Host headers to protect against header injection attacks.
drupal_chmod function includes/file.inc Sets the permissions on a file or directory.
drupal_clean_css_identifier function includes/common.inc Prepares a string for use as a CSS identifier (element, class, or ID name).
drupal_clear_css_cache function includes/common.inc Deletes old cached CSS files.
drupal_clear_js_cache function includes/common.inc Deletes old cached JavaScript files and variables.
drupal_clear_opcode_cache function includes/bootstrap.inc Invalidates a PHP file from any active opcode caches.
drupal_clear_path_cache function includes/path.inc Clear the path cache.
drupal_common_theme function includes/common.inc Provides theme registration for themes across .inc files.
drupal_convert_to_utf8 function includes/unicode.inc Converts data to UTF-8.
DRUPAL_CORE_COMPATIBILITY constant includes/bootstrap.inc Core API compatibility.
drupal_cron_cleanup function includes/common.inc DEPRECATED: Shutdown function: Performs cron cleanup.
DRUPAL_CRON_DEFAULT_THRESHOLD constant modules/system/system.module Default interval for automatic cron executions in seconds.
DRUPAL_CRON_DETAILED_LOGGING constant modules/system/system.module Detailed cron logging disabled by default.
drupal_cron_run function includes/common.inc Executes a cron run when called.
drupal_current_script_url function includes/install.inc Returns the URL of the current script, with modified query parameters.
drupal_delete_file_if_stale function includes/common.inc Callback to delete files modified more than a set time ago.
drupal_deliver_html_page function includes/common.inc Packages and sends the result of a page callback to the browser as HTML.
drupal_deliver_page function includes/common.inc Delivers a page callback result to the browser in the appropriate format.
drupal_depth_first_search function includes/graph.inc Performs a depth-first search and sort on a directed acyclic graph.
drupal_detect_baseurl function includes/install.inc Detects the base URL using the PHP $_SERVER variables.
drupal_detect_database_types function includes/install.inc Detects all supported databases that are compiled into PHP.
drupal_dirname function includes/file.inc Gets the name of the directory from a given path.
DRUPAL_DISABLED constant modules/system/system.module Disabled option on forms and settings

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