s.org/reference/functions/get_post_permalink/) ` wp-includes/link-template.php ` |  Retrieves the permalink for a post of a custom post type.   
[ get_page_link() ](https://developer.wordpress.org/reference/functions/get_page_link/) ` wp-includes/link-template.php ` |  Retrieves the permalink for the current page or page ID.   
[ _get_page_link() ](https://developer.wordpress.org/reference/functions/_get_page_link/) ` wp-includes/link-template.php ` |  Retrieves the page permalink.   
[ get_attachment_link() ](https://developer.wordpress.org/reference/functions/get_attachment_link/) ` wp-includes/link-template.php ` |  Retrieves the permalink for an attachment.   
[ get_year_link() ](https://developer.wordpress.org/reference/functions/get_year_link/) ` wp-includes/link-template.php ` |  Retrieves the permalink for the year archives.   
[ the_permalink() ](https://developer.wordpress.org/reference/functions/the_permalink/) ` wp-includes/link-template.php ` |  Displays the permalink for the current post.   
[ user_trailingslashit() ](https://developer.wordpress.org/reference/functions/user_trailingslashit/) ` wp-includes/link-template.php ` |  Retrieves a trailing-slashed string if the site is set for adding trailing slashes.   
[ is_allowed_http_origin() ](https://developer.wordpress.org/reference/functions/is_allowed_http_origin/) ` wp-includes/http.php ` |  Determines if the HTTP origin is an authorized one.   
[ wp_http_validate_url() ](https://developer.wordpress.org/reference/functions/wp_http_validate_url/) ` wp-includes/http.php ` |  Validate a URL for safe use in the HTTP API.   
[ wp_version_check() ](https://developer.wordpress.org/reference/functions/wp_version_check/) ` wp-includes/update.php ` |  Checks WordPress version against the newest version.   
[ wp_update_plugins() ](https://developer.wordpress.org/reference/functions/wp_update_plugins/) ` wp-includes/update.php ` |  Checks for available updates to plugins based on the latest versions hosted on WordPress.org.   
[ wp_update_themes() ](https://developer.wordpress.org/reference/functions/wp_update_themes/) ` wp-includes/update.php ` |  Checks for available updates to themes based on the latest versions hosted on WordPress.org.   
[ wp_get_update_data() ](https://developer.wordpress.org/reference/functions/wp_get_update_data/) ` wp-includes/update.php ` |  Collects counts and UI strings for available updates.   
[ get_http_origin() ](https://developer.wordpress.org/reference/functions/get_http_origin/) ` wp-includes/http.php ` |  Get the HTTP Origin of the current request.   
[ get_allowed_http_origins() ](https://developer.wordpress.org/reference/functions/get_allowed_http_origins/) ` wp-includes/http.php ` |  Retrieve list of allowed HTTP origins.   
[ WP_Date_Query::validate_column() ](https://developer.wordpress.org/reference/classes/wp_date_query/validate_column/) ` wp-includes/class-wp-date-query.php ` |  Validates a column name parameter.   
[ WP_Date_Query::get_sql() ](https://developer.wordpress.org/reference/classes/wp_date_query/get_sql/) ` wp-includes/class-wp-date-query.php ` |  Generates WHERE clause to be appended to a main query.   
[ do_shortcode_tag() ](https://developer.wordpress.org/reference/functions/do_shortcode_tag/) ` wp-includes/shortcodes.php ` |  Regular Expression callable for [ do_shortcode() ](https://developer.wordpress.org/reference/functions/do_shortcode/) for calling shortcode hook.   
[ shortcode_atts() ](https://developer.wordpress.org/reference/functions/shortcode_atts/) ` wp-includes/shortcodes.php ` |  Combines user attributes with known attributes and fill in defaults when needed.   
[ strip_shortcodes() ](https://developer.wordpress.org/reference/functions/strip_shortcodes/) ` wp-includes/shortcodes.php ` |  Removes all shortcode tags from the given content.   
[ WP_Image_Editor::set_quality() ](https://developer.wordpress.org/reference/classes/wp_image_editor/set_quality/) ` wp-includes/class-wp-image-editor.php ` |