_close_comments_for_old_post() – Close comments on an old post. Hooked to comments_open and pings_open.
_close_comments_for_old_posts() – Close comments on old posts on the fly, without any extra DB queries. Hooked to the_posts.
_filter_query_attachment_filenames() – Filter the SQL clauses of an attachment query to include filenames.
_post_format_get_term() – Remove the post format prefix from the name property of the term object created by get_term().
_post_format_get_terms() – Remove the post format prefix from the name property of the term objects created by get_terms().
_post_format_wp_get_object_terms() – Remove the post format prefix from the name property of the term objects created by wp_get_object_terms().
_preview_theme_stylesheet_filter() – Private function to modify the current stylesheet when previewing a theme
_preview_theme_template_filter() – Private function to modify the current template when previewing a theme
_reset_front_page_settings_for_post() – Reset the page_on_front, show_on_front, and page_for_post settings when a linked page is deleted or trashed.
_sanitize_text_fields() – Internal helper function to sanitize a string from user input or from the db
_upgrade_422_find_genericons_files_in_folder() – Recursively find Genericons example files in a given folder.
_wp_check_existing_file_names() – Helper function to check if a file name could match an existing image sub-size file name.
_wp_check_for_scheduled_split_terms() – In order to avoid the _wp_batch_split_terms() job being accidentally removed, check that it’s still scheduled while we haven’t finished splitting terms.
_wp_customize_changeset_filter_insert_post_data() – Filters changeset post data upon insert to ensure post_name is intact.
_WP_Editors::force_uncompressed_tinymce() – Force uncompressed TinyMCE when a custom theme has been defined.
_wp_privacy_settings_filter_draft_page_titles() – Appends ‘(Draft)’ to draft page titles in the privacy page dropdown so that unpublished content is obvious.
apply_filters_ref_array() – Calls the callback functions that have been added to a filter hook, specifying arguments in an array.
Automatic_Upgrader_Skin::request_filesystem_credentials() – Determines whether the upgrader needs FTP/SSH details in order to connect to the filesystem.
current_user_can_for_blog() – Returns whether the current user has the specified capability for a given site.
extract_from_markers() – Extracts strings from between the BEGIN and END markers in the .htaccess file.
WordPress core a2z
WordPress core a2z