get_comment_guid() Retrieves the feed GUID for the current comment.
comment_link() Displays the link to the comments.
get_comment_author_rss() Retrieves the current comment author for use in the feeds.
comment_author_rss() Displays the current comment author in the feed.
comment_text_rss() Displays the current comment content for use in the feeds.
get_the_category_rss() Retrieves all of the post categories, formatted for use in feeds.
the_category_rss() Displays the post categories in the feed.
html_type_rss() Displays the HTML type based on the blog setting.
rss_enclosure() Displays the rss enclosure for the current post.
atom_enclosure() Displays the atom enclosure for the current post.
prep_atom_text_construct() Determines the type of a string of data with the data formatted.
atom_site_icon() Displays Site Icon in atom feeds.
rss2_site_icon() Displays Site Icon in RSS2.
get_self_link() Returns the link for the currently displayed feed.
self_link() Displays the link for the currently displayed feed in a XSS safe way.
get_feed_build_date() Gets the UTC time of the most recently modified post from WP_Query.
feed_content_type() Returns the content type for specified feed type.
fetch_feed() Builds SimplePie object based on RSS or Atom feed from URL.
wp_cache_add_multiple() Adds multiple values to the cache in one call, if the cache keys don't already exist.
wp_cache_set_multiple() Sets multiple values to the cache in one call.
wp_cache_get_multiple() Retrieves multiple values from the cache in one call.
wp_cache_delete_multiple() Deletes multiple values from the cache in one call.
wp_cache_flush_runtime() Removes all cache items from the in-memory runtime cache.
wp_cache_flush_group() Removes all cache items in a group, if the object cache implementation supports it.
wp_cache_supports() Determines whether the object cache implementation supports a particular feature.
wp_version_check() Checks WordPress version against the newest version.
wp_update_plugins() Checks for available updates to plugins based on the latest versions hosted on WordPress.org.
wp_update_themes() Checks for available updates to themes based on the latest versions hosted on WordPress.org.
wp_maybe_auto_update() Performs WordPress automatic background updates.
wp_get_translation_updates() Retrieves a list of all language updates available.
wp_get_update_data() Collects counts and UI strings for available updates.
_maybe_update_core() Determines whether core should be updated.
_maybe_update_plugins() Checks the last time plugins were run before checking plugin versions.
_maybe_update_themes() Checks themes versions only after a duration of time.
wp_schedule_update_checks() Schedules core, theme, and plugin update checks.
wp_clean_update_cache() Clears existing update caches for plugins, themes, and core.
wp_delete_all_temp_backups() Schedules the removal of all contents in the temporary backup directory.
_wp_delete_all_temp_backups() Deletes all contents in the temporary backup directory.
wp_get_server_protocol() Returns the HTTP protocol sent by the server.
wp_fix_server_vars() Fixes `$_SERVER` variables for various setups.
wp_populate_basic_auth_from_authorization_header() Populates the Basic Auth server details from the Authorization header.
wp_check_php_mysql_versions() Checks for the required PHP version, and the mysqli extension or
wp_get_environment_type() Retrieves the current environment type.
wp_get_development_mode() Retrieves the current development mode.
wp_is_development_mode() Checks whether the site is in the given development mode.
wp_favicon_request() Ensures all of WordPress is not loaded when handling a favicon.ico request.
wp_maintenance() Dies with a maintenance message when conditions are met.
wp_is_maintenance_mode() Checks if maintenance mode is enabled.
timer_float() Gets the time elapsed so far during this PHP script.
timer_start() Starts the WordPress micro-timer.