WordPress Function Reference

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I found the WordPress Function reference pretty difficult to navigate so I created a programme to crawl it. References in a full list here, click on titles to link to the WP website.

add_network_option()

Function: Add a new network option.

add_new_user_to_blog()

Function: Adds a newly created user to the appropriate blog

add_object_page()

Function: Add a top-level menu page in the ‘objects’ section.

add_option()

Function: Add a new option.

add_options_page()

Function: Add submenu page to the Settings main menu.

add_option_update_handler()

Function: Register a setting and its sanitization callback

add_option_whitelist()

Function: Adds an array of options to the options whitelist.

add_pages_page()

Function: Add submenu page to the Pages main menu.

add_permastruct()

Function: Add permalink structure.

add_ping()

Function: Add a URL to those already pinged.

add_plugins_page()

Function: Add submenu page to the Plugins main menu.

add_posts_page()

Function: Add submenu page to the Posts main menu.

add_post_meta()

Function: Adds a meta field to the given post.

add_post_type_support()

Function: Register support of certain features for a post type.

add_query_arg()

Function: Retrieves a modified URL query string.

add_rewrite_endpoint()

Function: Add an endpoint, like /trackback/.

add_rewrite_rule()

Function: Adds a rewrite rule that transforms a URL structure to a set of query vars.

add_rewrite_tag()

Function: Add a new rewrite tag (like %postname%).

add_role()

Function: Add role, if it does not exist.

add_screen_option()

Function: Register and configure an admin screen option

add_settings_error()

Function: Register a settings error to be displayed to the user

add_settings_field()

Function: Add a new field to a section of a settings page

add_settings_section()

Function: Add a new section to a settings page.

add_shortcode()

Function: Adds a new shortcode.

add_site_meta()

Function: Adds metadata to a site.

add_site_option()

Function: Add a new option for the current network.

add_submenu_page()

Function: Add a submenu page.

add_term_meta()

Function: Adds metadata to a term.

add_theme_page()

Function: Add submenu page to the Appearance main menu.

add_theme_support()

Function: Registers theme support for a given feature.

add_thickbox()

Function: Enqueues the default ThickBox js and css.

add_user()

Function: Creates a new user from the “Users” form using $_POST information.

add_users_page()

Function: Add submenu page to the Users/Profile main menu.

add_user_meta()

Function: Adds meta data to a user.

add_user_to_blog()

Function: Adds a user to a blog.

add_utility_page()

Function: Add a top-level menu page in the ‘utility’ section.

adjacent_image_link()

Function: Displays next or previous image link that has the same post parent.

adjacent_posts_rel_link()

Function: Displays the relational links for the posts adjacent to the current post.

adjacent_posts_rel_link_wp_head()

Function: Displays relational links for the posts adjacent to the current post for single post pages.

adjacent_post_link()

Function: Displays the adjacent post link.

admin_color_scheme_picker()

Function: Display the default admin color scheme picker (Used in user-edit.php)

admin_created_user_email()

Function:

admin_created_user_subject()

Function:

admin_url()

Function: Retrieves the URL to the admin area for the current site.

allowed_http_request_hosts()

Function: Whitelists allowed redirect hosts for safe HTTP requests as well.

allowed_tags()

Function: Display all of the allowed tags in HTML format with attributes.

allow_subdirectory_install()

Function: Allow subdirectory installation.

allow_subdomain_install()

Function: Allow subdomain installation

antispambot()

Function: Converts email addresses characters to HTML entities to block spam bots.

apache_mod_loaded()

Function: Does the specified module exist in the Apache config?

apply_filters()

Function: Call the functions added to a filter hook.

apply_filters_deprecated()

Function: Fires functions attached to a deprecated filter hook.

apply_filters_ref_array()

Function: Execute functions hooked on a specific filter hook, specifying arguments in an array.

array_replace_recursive()

Function: PHP-agnostic version of {@link array_replace_recursive()}.

atom_enclosure()

Function: Display the atom enclosure for the current post.

atom_site_icon()

Function: Displays Site Icon in atom feeds.

attachment_id3_data_meta_box()

Function: Display fields for ID3 data

attachment_submitbox_metadata()

Function: Displays non-editable attachment metadata in the publish meta box.

attachment_submit_meta_box()

Function: Display attachment submit form fields.

attachment_url_to_postid()

Function: Tries to convert an attachment URL into a post ID.

attribute_escape()

Function: Escaping for HTML attributes.

author_can()

Function: Whether the author of the supplied post has a specific capability.

auth_redirect()

Function: Checks if a user is logged in, if not it redirects them to the login page.

automatic_feed_links()

Function: Enable/disable automatic general feed link outputting.

avoid_blog_page_permalink_collision()

Function: Avoids a collision between a site slug and a permalink slug.

background_color()

Function: Display background color value.

background_image()

Function: Display background image path.

backslashit()

Function: Adds backslashes before letters and before a number at the start of a string.

balanceTags()

Function: Balances tags if forced to, or if the ‘use_balanceTags’ option is set to true.

before_last_bar()

Function: Remove last item on a pipe-delimited string.

block_version()

Function: Returns the current version of the block format that the content string is using.

bloginfo()

Function: Displays information about the current site.

bloginfo_rss()

Function: Display RSS container for the bloginfo function.

body_class()

Function: Displays the class names for the body element.

bool_from_yn()

Function: Whether input is yes or no.

build_dropdown_script_block_core_categories()

Function: Generates the inline script for a categories dropdown field.

build_query()

Function: Build URL query based on an associative and, or indexed array.

bulk_edit_posts()

Function: Process the post data for the bulk editing of posts.

cache_javascript_headers()

Function: Set the headers for caching for 10 days with JavaScript content type.

cache_users()

Function: Retrieve info for user lists to prevent multiple queries by get_userdata()

calendar_week_mod()

Function: Get number of days since the start of the week.

cancel_comment_reply_link()

Function: Display HTML content for cancel comment reply link.

can_edit_network()

Function: Whether or not we can edit this network from this page.

capital_P_dangit()

Function: Forever eliminate “Wordpress” from the planet (or at least the little bit we can influence).

category_description()

Function: Retrieve category description.

category_exists()

Function: Check whether a category exists.

cat_is_ancestor_of()

Function: Check if a category is an ancestor of another category.

checked()

Function: Outputs the html checked attribute.

check_admin_referer()

Function: Makes sure that a user was referred from another admin page.

check_ajax_referer()

Function: Verifies the Ajax request to prevent processing requests external of the blog.

check_and_publish_future_post()

Function: Publish future post and make sure post ID has future post status.

check_column()

Function: Check column matches criteria.

check_comment()

Function: Check whether a comment passes internal checks to be allowed to add.

check_comment_flood_db()

Function: Hooks WP’s native database-based comment-flood check.

check_import_new_users()

Function: Checks if the current user has permissions to import new users.

check_password_reset_key()

Function: Retrieves a user row based on password reset key and login

check_theme_switched()

Function: Checks if a theme has been changed and runs ‘after_switch_theme’ hook on the next WP load.

check_upload_mimes()

Function: Check an array of MIME types against a whitelist.

check_upload_size()

Function: Determine if uploaded file exceeds space quota.

choose_primary_blog()

Function: Handles the display of choosing a user’s primary site.

clean_attachment_cache()

Function: Will clean the attachment in the cache.

clean_blog_cache()

Function: Clean the blog cache

clean_bookmark_cache()

Function: Deletes the bookmark cache.

clean_category_cache()

Function: Remove the category cache data based on ID.

clean_comment_cache()

Function: Removes a comment from the object cache.

clean_network_cache()

Function: Removes a network from the object cache.

clean_object_term_cache()

Function: Removes the taxonomy relationship to terms from the cache.

clean_page_cache()

Function: Will clean the page in the cache.

clean_post_cache()

Function: Will clean the post in the cache.

clean_pre()

Function: Accepts matches array from preg_replace_callback in wpautop() or a string.

clean_site_details_cache()

Function: Cleans the site details cache for a site.

clean_taxonomy_cache()

Function: Clean the caches for a taxonomy.

clean_term_cache()

Function: Will remove all of the term ids from the cache.

clean_url()

Function: Checks and cleans a URL.

clean_user_cache()

Function: Clean all user caches

clear_global_post_cache()

Function: Deprecated functionality to clear the global post cache.

codepress_footer_js()

Function: Adds JavaScript required to make CodePress work on the theme/plugin editors.

codepress_get_lang()

Function: Determines the language to use for CodePress syntax highlighting.

comments_link()

Function: Display the link to the current post comments.

comments_link_feed()

Function: Outputs the link to the comments for the current post in an xml safe way

comments_number()

Function: Display the language string for the number of comments the current post has.

comments_open()

Function: Determines whether the current post is open for comments.

comments_popup_link()

Function: Displays the link to the comments for the current post ID.

comments_popup_script()

Function: Display the JS popup script to show a comment.

comments_rss()

Function: Return link to the post RSS feed.

comments_rss_link()

Function: Print RSS comment feed link.

comments_template()

Function: Load the comment template specified in $file.

comment_author()

Function: Displays the author of the current comment.

comment_author_email()

Function: Display the email of the author of the current global $comment.

comment_author_email_link()

Function: Display the html email link to the author of the current comment.

comment_author_IP()

Function: Display the IP address of the author of the current comment.

comment_author_link()

Function: Display the html link to the url of the author of the current comment.

comment_author_rss()

Function: Display the current comment author in the feed.

comment_author_url()

Function: Display the url of the author of the current comment.

comment_author_url_link()

Function: Displays the HTML link of the url of the author of the current comment.

comment_class()

Function: Generates semantic classes for each comment element.

comment_date()

Function: Display the comment date of the current comment.

comment_excerpt()

Function: Display the excerpt of the current comment.

comment_exists()

Function: Determine if a comment exists based on author and date.

comment_footer_die()

Function: Display error message at bottom of comments.

comment_form()

Function: Outputs a complete commenting form for use within a template.

comment_form_title()

Function: Display text based on comment reply status.

comment_guid()

Function: Display the feed GUID for the current comment.

comment_ID()

Function: Display the comment id of the current comment.

comment_id_fields()

Function: Output hidden input HTML for replying to comments.

comment_link()

Function: Display the link to the comments.

comment_reply_link()

Function: Displays the HTML content for reply to comment link.

comment_text()

Function: Display the text of the current comment.

comment_text_rss()

Function: Display the current comment content for use in the feeds.

comment_time()

Function: Display the comment time of the current comment.

comment_type()

Function: Display the comment type of the current comment.

compression_test()

Function: Test support for compressing JavaScript from PHP

confirm_another_blog_signup()

Function: Confirm a new site signup.

confirm_blog_signup()

Function: New site signup confirmation

confirm_delete_users()

Function:

confirm_user_signup()

Function: New user signup confirmation

content_url()

Function: Retrieves the URL to the content directory.

convert_chars()

Function: Converts lone & characters into `&` (a.k.a. `&`)

convert_invalid_entities()

Function: Converts invalid Unicode references range to valid range.

convert_smilies()

Function: Convert text equivalent of smilies to images.

convert_to_screen()

Function: Convert a screen string to a screen object

copy_dir()

Function: Copies a directory from one location to another via the WordPress Filesystem Abstraction.

core_update_footer()

Function:

core_upgrade_preamble()

Function: Display upgrade WordPress for downloading latest or upgrading automatically form.

count_many_users_posts()

Function: Number of posts written by a list of users.

count_users()

Function: Count number of users who have each of the user roles.

count_user_posts()

Function: Number of posts user has written.

create_empty_blog()

Function: Create an empty blog.

create_initial_post_types()

Function: Creates the initial post types when ‘init’ action is fired.

create_initial_rest_routes()

Function: Registers default REST API routes.

create_initial_taxonomies()

Function: Creates the initial taxonomies.

create_user()

Function: An alias of wp_create_user().

current_action()

Function: Retrieve the name of the current action.

current_filter()

Function: Retrieve the name of the current filter or action.

current_theme_info()

Function: Retrieves information on the current active theme.

current_theme_supports()

Function: Checks a theme’s support for a given feature.

current_time()

Function: Retrieve the current time based on specified type.

current_user_can()

Function: Whether the current user has a specific capability.

current_user_can_for_blog()

Function: Whether the current user has a specific capability for a given site.

customize_themes_print_templates()

Function: Print JS templates for the theme-browsing UI in the Customizer.

dashboard_browser_nag_class()

Function:

dashboard_php_nag_class()

Function: Adds an additional class to the PHP nag if the current version is insecure.

date_i18n()

Function: Retrieve the date in localized format, based on a sum of Unix timestamp and timezone offset in seconds.

dbDelta()

Function: Modifies the database based on specified SQL statements.

deactivate_plugins()

Function: Deactivate a single plugin or multiple plugins.

deactivate_sitewide_plugin()

Function: Deprecated functionality for deactivating a network-only plugin.

dead_db()

Function: Load custom DB error or display WordPress DB error.

debug_fclose()

Function: Close the debugging file handle.

debug_fopen()

Function: Open the file handle for debugging.

debug_fwrite()

Function: Write contents to the file used for debugging.

default_password_nag()

Function:

default_password_nag_edit_user()

Function:

default_password_nag_handler()

Function:

default_topic_count_scale()

Function: Default topic count scaling for tag links.

default_topic_count_text()

Function: Old callback for tag link tooltips.

delete_all_user_settings()

Function: Delete the user settings of the current user.

delete_blog_option()

Function: Removes option by name for a given blog id. Prevents removal of protected WordPress options.

delete_comment_meta()

Function: Remove metadata matching criteria from a comment.

delete_expired_transients()

Function: Deletes all expired transients.

delete_get_calendar_cache()

Function: Purge the cached results of get_calendar.

delete_meta()

Function: Delete post meta data by meta ID.

delete_metadata()

Function: Delete metadata for the specified object.

delete_metadata_by_mid()

Function: Delete meta data by meta ID

delete_network_option()

Function: Removes a network option by name.

delete_option()

Function: Removes option by name. Prevents removal of protected WordPress options.

delete_plugins()

Function: Remove directory and files of a plugin for a list of plugins.

delete_post_meta()

Function: Remove metadata matching criteria from a post.

delete_post_meta_by_key()

Function: Delete everything from post meta matching meta key.

delete_post_thumbnail()

Function: Removes the thumbnail (featured image) from the given post.

delete_site_meta()

Function: Removes metadata matching criteria from a site.

delete_site_meta_by_key()

Function: Deletes everything from site meta matching meta key.

delete_site_option()

Function: Removes a option by name for the current network.

delete_site_transient()

Function: Delete a site transient.

delete_term_meta()

Function: Removes metadata matching criteria from a term.

delete_theme()

Function: Remove a theme

delete_transient()

Function: Delete a transient.

delete_usermeta()

Function: Remove user meta data.

delete_users_add_js()

Function:

delete_user_meta()

Function: Remove metadata matching criteria from a user.

delete_user_option()

Function: Delete user option with global blog capability.

delete_user_setting()

Function: Delete user interface settings.

deslash()

Function: Filters for content to remove unnecessary slashes.

determine_locale()

Function: Determine the current locale desired for the request.

did_action()

Function: Retrieve the number of times an action is fired.

disabled()

Function: Outputs the html disabled attribute.

discover_pingback_server_uri()

Function: Finds a pingback server URI based on the given URL.

dismissed_updates()

Function:

dismiss_core_update()

Function:

display_header()

Function: Display installation header.

display_header_text()

Function: Whether to display the header text.

display_plugins_table()

Function: Display plugin content based on plugin list.

display_setup_form()

Function: Display installer setup form.

display_space_usage()

Function: Displays the amount of disk space used by the current site. Not used in core.

display_theme()

Function: Prints a theme on the Install Themes pages.

display_themes()

Function: Display theme content based on theme list.

documentation_link()

Function: Unused Admin function.

doing_action()

Function: Retrieve the name of an action currently being processed.

doing_filter()

Function: Retrieve the name of a filter currently being processed.

dolly_css()

Function:

domain_exists()

Function: Checks whether a site name is already taken.

download_url()

Function: Downloads a URL to a local temporary file using the WordPress HTTP API.

do_accordion_sections()

Function: Meta Box Accordion Template Function

do_action()

Function: Execute functions hooked on a specific action hook.

do_action_deprecated()

Function: Fires functions attached to a deprecated action hook.

do_action_ref_array()

Function: Execute functions hooked on a specific action hook, specifying arguments in an array.

do_activate_header()

Function: Adds an action hook specific to this page.

do_all_pings()

Function: Perform all pingbacks, enclosures, trackbacks, and send to pingback services.

do_blocks()

Function: Parses dynamic blocks out of `post_content` and re-renders them.

do_block_editor_incompatible_meta_box()

Function: Function that renders a “fake” meta box with an information message, shown on the block editor, when an incompatible meta box is found.

do_core_upgrade()

Function: Upgrade WordPress core display.

do_dismiss_core_update()

Function:

do_enclose()

Function: Check content for video and audio links to add as enclosures.

do_feed()

Function: Load the feed template from the use of an action hook.

do_feed_atom()

Function: Load either Atom comment feed or Atom posts feed.

do_feed_rdf()

Function: Load the RDF RSS 0.91 Feed template.

do_feed_rss()

Function: Load the RSS 1.0 Feed Template.

do_feed_rss2()

Function: Load either the RSS2 comment feed or the RSS2 posts feed.

do_meta_boxes()

Function: Meta-Box template function

do_robots()

Function: Display the robots.txt file content.

do_settings_fields()

Function: Print out the settings fields for a particular settings section.

do_settings_sections()

Function: Prints out all settings sections added to a particular settings page

do_shortcode()

Function: Search content for shortcodes and filter shortcodes through their hooks.

do_shortcodes_in_html_tags()

Function: Search only inside HTML elements for shortcodes and process them.

do_shortcode_tag()

Function: Regular Expression callable for do_shortcode() for calling shortcode hook.

do_signup_header()

Function: Prints signup_header via wp_head

do_trackbacks()

Function: Perform trackbacks.

do_undismiss_core_update()

Function:

dropdown_categories()

Function: Legacy function used to generate the categories checklist control.

dropdown_cats()

Function: Deprecated method for generating a drop-down of categories.

dropdown_link_categories()

Function: Legacy function used to generate a link categories checklist control.

drop_index()

Function: Drops a specified index from a table.

dynamic_sidebar()

Function: Display dynamic sidebar.

edit_bookmark_link()

Function: Displays the edit bookmark link anchor content.

edit_comment()

Function: Update a comment with values provided in $_POST.

edit_comment_link()

Function: Displays the edit comment link with formatting.

edit_form_image_editor()

Function: Displays the image and editor in the post editor

edit_link()

Function: Updates or inserts a link using values provided in $_POST.

edit_post()

Function: Update an existing post with values provided in $_POST.

edit_post_link()

Function: Displays the edit post link for post.

edit_tag_link()

Function: Displays or retrieves the edit link for a tag with formatting.

edit_term_link()

Function: Displays or retrieves the edit term link with formatting.

edit_user()

Function: Edit user settings based on contents of $_POST

email_exists()

Function: Determines whether the given email exists.

endElement()

Function: XML callback function that is called at the end of a XML tag.

enqueue_comment_hotkeys_js()

Function:

enqueue_embed_scripts()

Function: Enqueue embed iframe default CSS and JS & fire do_action(‘enqueue_embed_scripts’)

ent2ncr()

Function: Converts named entities into numbered entities.

esc_attr()

Function: Escaping for HTML attributes.

esc_attr_e()

Function: Display translated text that has been escaped for safe use in an attribute.

esc_attr_x()

Function: Translate string with gettext context, and escapes it for safe use in an attribute.

esc_attr__()

Function: Retrieve the translation of $text and escapes it for safe use in an attribute.

esc_html()

Function: Escaping for HTML blocks.

esc_html_e()

Function: Display translated text that has been escaped for safe use in HTML output.

esc_html_x()

Function: Translate string with gettext context, and escapes it for safe use in HTML output.

esc_html__()

Function: Retrieve the translation of $text and escapes it for safe use in HTML output.

esc_js()

Function: Escape single quotes, htmlspecialchar ” &, and fix line endings.

esc_sql()

Function: Escapes data for use in a MySQL query.

esc_textarea()

Function: Escaping for textarea values.

esc_url()

Function: Checks and cleans a URL.

esc_url_raw()

Function: Performs esc_url() for database usage.

excerpt_remove_blocks()

Function: Parses blocks out of a content string, and renders those appropriate for the excerpt.

export_add_js()

Function: Display JavaScript on the page.

export_date_options()

Function: Create the date options fields for exporting a given post type.

export_wp()

Function: Generates the WXR export file for download.

extract_from_markers()

Function: Extracts strings from between the BEGIN and END markers in the .htaccess file.

favorite_actions()

Function: Favorite actions were deprecated in version 3.2. Use the admin bar instead.

feed_content_type()

Function: Return the content type for specified feed type.

feed_links()

Function: Display the links to the general feeds.

feed_links_extra()

Function: Display the links to the extra feeds such as category feeds.

fetch_feed()

Function: Build SimplePie object based on RSS or Atom feed from URL.

fetch_rss()

Function: Build Magpie object based on RSS from URL.

file_is_displayable_image()

Function: Validate that file is suitable for displaying within a web page.

file_is_valid_image()

Function: Validate that file is an image.

filter_default_option()

Function: Filter the default value for the option.

filter_SSL()

Function: Formats a URL to use https.

find_core_auto_update()

Function: Gets the best available (and enabled) Auto-Update for WordPress Core.

find_core_update()

Function:

find_posts_div()

Function: Outputs the modal window used for attaching media to posts or pages in the media-listing screen.

fix_import_form_size()

Function: Get the remaining upload space for this site.

fix_phpmailer_messageid()

Function: Correct From host on outgoing mail to match the site domain

floated_admin_avatar()

Function: Add avatars to relevant places in admin, or try to.

flush_rewrite_rules()

Function: Remove rewrite rules and then recreate rewrite rules.

force_balance_tags()

Function: Balances tags of string using a modified stack.

force_ssl_admin()

Function: Whether to force SSL used for the Administration Screens.

force_ssl_content()

Function: Whether to force SSL on content.

force_ssl_login()

Function: Whether SSL login should be forced.

format_code_lang()

Function: Returns the language for a language code.

format_for_editor()

Function: Formats text for the editor.

format_to_edit()

Function: Acts on text which is about to be edited.

format_to_post()

Function: Formerly used to escape strings before inserting into the DB.

form_option()

Function: Print option value after sanitizing for forms.

funky_javascript_callback()

Function: Callback used to change %uXXXX to &#YYY; syntax

funky_javascript_fix()

Function: Fixes JavaScript bugs in browsers.

gallery_shortcode()

Function: Builds the Gallery shortcode output.

gd_edit_image_support()

Function: Check if the installed version of GD supports particular image type

generate_postdata()

Function: Generates post data.

generate_random_password()

Function: Generates a random password.

generic_ping()

Function: Sends pings to all of the ping site services.

get_404_template()

Function: Retrieve path of 404 template in current or parent template.

get_active_blog_for_user()

Function: Get one of a user’s active blogs

get_adjacent_post()

Function: Retrieves the adjacent post.

get_adjacent_post_link()

Function: Retrieves the adjacent post link.

get_adjacent_post_rel_link()

Function: Retrieves the adjacent post relational link.

get_admin_page_parent()

Function:

get_admin_page_title()

Function:

get_admin_url()

Function: Retrieves the URL to the admin area for a given site.

get_admin_users_for_domain()

Function: Get the admin for a domain/path combination.

get_alloptions()

Function: Retrieve all autoload options, or all options if no autoloaded ones exist.

get_alloptions_110()

Function: Retrieve all options as it was for 1.2.

get_allowed_http_origins()

Function: Retrieve list of allowed HTTP origins.

get_allowed_mime_types()

Function: Retrieve list of allowed mime types and file extensions.

get_allowed_themes()

Function: Get the allowed themes for the current site.

get_all_category_ids()

Function: Retrieves all category IDs.

get_all_page_ids()

Function: Get a list of page IDs.

get_all_post_type_supports()

Function: Get all the post type features

get_all_user_settings()

Function: Retrieve all user interface settings.

get_ancestors()

Function: Get an array of ancestor IDs for a given object.

get_approved_comments()

Function: Retrieve the approved comments for post $post_id.

get_archives()

Function: Retrieves a list of archives.

get_archives_link()

Function: Retrieve archive link content based on predefined or custom code.

get_archive_template()

Function: Retrieve path of archive template in current or parent template.

get_attached_file()

Function: Retrieve attached file path based on attachment ID.

get_attached_media()

Function: Retrieves media attached to the passed post.

get_attachment_fields_to_edit()

Function: Retrieves the attachment fields to edit form fields.

get_attachment_icon()

Function: Retrieve HTML content of icon attachment image element.

get_attachment_icon_src()

Function: Retrieve icon URL and Path.

get_attachment_innerHTML()

Function: Retrieve HTML content of image element.

get_attachment_link()

Function: Retrieves the permalink for an attachment.

get_attachment_taxonomies()

Function: Retrieves taxonomies attached to given the attachment.

get_attachment_template()

Function: Retrieve path of attachment template in current or parent template.

get_author_feed_link()

Function: Retrieves the feed link for a given author.

get_author_link()

Function: Returns or Prints link to the author’s posts.

get_author_name()

Function: Retrieve the specified author’s preferred display name.

get_author_posts_url()

Function: Retrieve the URL to the author page for the user with the ID provided.

get_author_rss_link()

Function: Print/Return link to author RSS feed.

get_author_template()

Function: Retrieve path of author template in current or parent template.

get_author_user_ids()

Function: Get all user IDs.

get_autotoggle()

Function: Gets the auto_toggle setting.

get_available_languages()

Function: Get all available languages based on the presence of *.mo files in a given directory.

get_available_post_mime_types()

Function: Get all available post MIME types for a given post type.

get_available_post_statuses()

Function: Get all the possible statuses for a post_type

get_avatar()

Function: Retrieve the avatar `` tag for a user, email address, MD5 hash, comment, or post.

get_avatar_data()

Function: Retrieves default data about the avatar.

get_avatar_url()

Function: Retrieves the avatar URL.

get_background_color()

Function: Retrieve value for custom background color.

get_background_image()

Function: Retrieve background image for custom background.

get_block_categories()

Function: Returns all the block categories that will be shown in the block editor.

get_block_editor_server_block_settings()

Function: Prepares server-registered blocks for the block editor.

get_blogaddress_by_domain()

Function: Get a full blog URL, given a domain and a path.

get_blogaddress_by_id()

Function: Get a full blog URL, given a blog id.

get_blogaddress_by_name()

Function: Get a full blog URL, given a blog name.

get_bloginfo()

Function: Retrieves information about the current site.

get_bloginfo_rss()

Function: RSS container for the bloginfo function.

get_blogs_of_user()

Function: Get the sites a user belongs to.

get_blog_count()

Function: The number of active sites on your installation.

get_blog_details()

Function: Retrieve the details for a blog from the blogs table and blog options.

get_blog_id_from_url()

Function: Get a blog’s numeric ID from its URL.

get_blog_list()

Function: Deprecated functionality to retrieve a list of all sites.

get_blog_option()

Function: Retrieve option value for a given blog id based on name of option.

get_blog_permalink()

Function: Get the permalink for a post on another blog.

get_blog_post()

Function: Get a blog post from any site on the network.

get_blog_status()

Function: Get a blog details field.

get_body_class()

Function: Retrieve the classes for the body element as an array.

get_bookmark()

Function: Retrieve Bookmark data

get_bookmarks()

Function: Retrieves the list of bookmarks

get_bookmark_field()

Function: Retrieve single bookmark data item or field.

get_boundary_post()

Function: Retrieves the boundary post.

get_boundary_post_rel_link()

Function: Get boundary post relational link.

get_broken_themes()

Function: Retrieves a list of broken themes.

get_calendar()

Function: Display calendar with days that have posts as links.

get_cancel_comment_reply_link()

Function: Retrieve HTML content for cancel comment reply link.

get_categories()

Function: Retrieve list of category objects.

get_category()

Function: Retrieves category data given a category ID or category object.

get_category_by_path()

Function: Retrieve category based on URL containing the category slug.

get_category_by_slug()

Function: Retrieve category object by category slug.

get_category_children()

Function: Retrieve category children list separated before and after the term IDs.

get_category_feed_link()

Function: Retrieves the feed link for a category.

get_category_link()

Function: Retrieve category link URL.

get_category_parents()

Function: Retrieve category parents with separator.

get_category_rss_link()

Function: Print/Return link to category RSS2 feed.

get_category_template()

Function: Retrieve path of category template in current or parent template.

get_category_to_edit()

Function: Get category object for given ID and ‘edit’ filter context.

get_catname()

Function: Retrieve the category name by the category ID.

get_cat_ID()

Function: Retrieve the ID of a category from its name.

get_cat_name()

Function: Retrieve the name of a category from its ID.

get_children()

Function: Retrieve all children of the post parent ID.

get_clean_basedomain()

Function: Get base domain of network.

get_cli_args()

Function: Returns value of command line params.

get_column_headers()

Function: Get the column headers for a screen

get_comment()

Function: Retrieves comment data given a comment ID or comment object.

get_commentdata()

Function: Retrieve an array of comment data about comment $comment_ID.

get_comments()

Function: Retrieve a list of comments.

get_comments_link()

Function: Retrieves the link to the current post comments.

get_comments_number()

Function: Retrieves the amount of comments a post has.

get_comments_number_text()

Function: Display the language string for the number of comments the current post has.

get_comments_pagenum_link()

Function: Retrieves the comments page number link.

get_comments_popup_template()

Function: Retrieve path of comment popup template in current or parent template.

get_comment_author()

Function: Retrieve the author of the current comment.

get_comment_author_email()

Function: Retrieve the email of the author of the current comment.

get_comment_author_email_link()

Function: Return the html email link to the author of the current comment.

get_comment_author_IP()

Function: Retrieve the IP address of the author of the current comment.

get_comment_author_link()

Function: Retrieve the HTML link to the URL of the author of the current comment.

get_comment_author_rss()

Function: Retrieve the current comment author for use in the feeds.

get_comment_author_url()

Function: Retrieve the url of the author of the current comment.

get_comment_author_url_link()

Function: Retrieves the HTML link of the url of the author of the current comment.

get_comment_class()

Function: Returns the classes for the comment div as an array.

get_comment_count()

Function: The amount of comments in a post or total comments.

get_comment_date()

Function: Retrieve the comment date of the current comment.

get_comment_excerpt()

Function: Retrieve the excerpt of the current comment.

get_comment_guid()

Function: Retrieve the feed GUID for the current comment.

get_comment_ID()

Function: Retrieve the comment id of the current comment.

get_comment_id_fields()

Function: Retrieve hidden input HTML for replying to comments.

get_comment_link()

Function: Retrieve the link to a given comment.

get_comment_meta()

Function: Retrieve comment meta field for a comment.

get_comment_pages_count()

Function: Calculate the total number of comment pages.

get_comment_reply_link()

Function: Retrieve HTML content for reply to comment link.

get_comment_statuses()

Function: Retrieve all of the WordPress supported comment statuses.

get_comment_text()

Function: Retrieve the text of the current comment.

get_comment_time()

Function: Retrieve the comment time of the current comment.

get_comment_to_edit()

Function: Returns a WP_Comment object based on comment ID.

get_comment_type()

Function: Retrieve the comment type of the current comment.

get_compat_media_markup()

Function:

get_core_checksums()

Function: Gets and caches the checksums for the given version of WordPress.

get_core_updates()

Function: Get available core updates.

get_currentuserinfo()

Function: Populate global variables with information about the currently logged in user.

get_current_blog_id()

Function: Retrieve the current site ID.

get_current_network_id()

Function: Retrieves the current network ID.

get_current_screen()

Function: Get the current screen object

get_current_site()

Function: Get the current network.

get_current_site_name()

Function: This deprecated function formerly set the site_name property of the $current_site object.

get_current_theme()

Function: Retrieve current theme name.

get_current_user_id()

Function: Get the current user’s ID

get_custom_header()

Function: Get the header image data.

get_custom_header_markup()

Function: Retrieve the markup for a custom header.

get_custom_logo()

Function: Returns a custom logo, linked to home.

get_dashboard_blog()

Function: Get the “dashboard blog”, the blog where users without a blog edit their profile data.

get_dashboard_url()

Function: Retrieves the URL to the user’s dashboard.

get_date_from_gmt()

Function: Converts a GMT date into the correct format for the blog.

get_date_template()

Function: Retrieve path of date template in current or parent template.

get_day_link()

Function: Retrieves the permalink for the day archives with year and month.

get_default_comment_status()

Function: Gets the default comment status for a post type.

get_default_feed()

Function: Retrieve the default feed.

get_default_link_to_edit()

Function: Retrieves the default link for editing.

get_default_page_to_edit()

Function: Gets the default page information to use.

get_default_post_to_edit()

Function: Default post information to use when populating the “Write Post” form.

get_delete_post_link()

Function: Retrieves the delete posts link for post.

get_dirsize()

Function: Get the size of a directory.

get_dropins()

Function: Check the wp-content directory and retrieve all drop-ins with any plugin data.

get_dynamic_block_names()

Function: Returns an array of the names of all registered dynamic block types.

get_editable_authors()

Function: Gets author users who can edit posts.

get_editable_roles()

Function: Fetch a filtered list of user roles that the current user is allowed to edit.

get_editable_user_ids()

Function: Gets the IDs of any users who can edit posts.

get_editor_stylesheets()

Function: Retrieve any registered editor stylesheets

get_edit_bookmark_link()

Function: Displays the edit bookmark link.

get_edit_comment_link()

Function: Retrieves the edit comment link.

get_edit_post_link()

Function: Retrieves the edit post link for post.

get_edit_profile_url()

Function: Retrieves the URL to the user’s profile editor.

get_edit_tag_link()

Function: Retrieves the edit link for a tag.

get_edit_term_link()

Function: Retrieves the URL for editing a given term.

get_edit_user_link()

Function: Retrieves the edit user link.

get_embed_template()

Function: Retrieves an embed template path in the current or parent template.

get_enclosed()

Function: Retrieve enclosures already enclosed for a post.

get_extended()

Function: Get extended entry info ().

get_feed_build_date()

Function:

get_feed_link()

Function: Retrieves the permalink for the feed type.

get_file()

Function:

get_filesystem_method()

Function: Determines which method to use for reading, writing, modifying, or deleting files on the filesystem.

get_file_data()

Function: Retrieve metadata from a file.

get_file_description()

Function: Get the description for standard WordPress theme files and other various standard WordPress files

get_footer()

Function: Load footer template.

get_front_page_template()

Function: Retrieve path of front page template in current or parent template.

get_gmt_from_date()

Function: Returns a date in the GMT equivalent.

get_header()

Function: Load header template.

get_header_image()

Function: Retrieve header image for custom header.

get_header_image_tag()

Function: Create image tag markup for a custom header image.

get_header_textcolor()

Function: Retrieves the custom header text color in 3- or 6-digit hexadecimal form.

get_header_video_settings()

Function: Retrieve header video settings.

get_header_video_url()

Function: Retrieve header video URL for custom header.

get_hidden_columns()

Function: Get a list of hidden columns.

get_hidden_meta_boxes()

Function: Get Hidden Meta Boxes

get_home_path()

Function: Get the absolute filesystem path to the root of the WordPress installation

get_home_template()

Function: Retrieve path of home template in current or parent template.

get_home_url()

Function: Retrieves the URL for a given site where the front end is accessible.

get_html_split_regex()

Function: Retrieve the regular expression for an HTML element.

get_http_origin()

Function: Get the HTTP Origin of the current request.

get_id_from_blogname()

Function: Retrieves a sites ID given its (subdomain or directory) slug.

get_images_from_uri()

Function: Retrieve all image URLs from given URI.

get_image_send_to_editor()

Function: Retrieves the image HTML to send to the editor.

get_image_tag()

Function: Gets an img tag for an image attachment, scaling it down if requested.

get_importers()

Function: Retrieve list of importers.

get_index_rel_link()

Function: Get site index relational link.

get_index_template()

Function: Retrieve path of index template in current or parent template.

get_inline_data()

Function: Adds hidden fields with the data for use in the inline editor for posts and pages.

get_intermediate_image_sizes()

Function: Gets the available intermediate image sizes.

get_language_attributes()

Function: Gets the language attributes for the html tag.

get_lastcommentmodified()

Function: The date the last comment was modified.

get_lastpostdate()

Function: Retrieve the date that the last post was published.

get_lastpostmodified()

Function: Get the timestamp of the last time any post was modified.

get_last_updated()

Function: Get a list of most recently updated blogs.

get_link()

Function: Retrieves bookmark data based on ID.

get_linkcatname()

Function: Gets the name of category by id.

get_linkobjects()

Function: Gets an array of link objects associated with category n.

get_linkobjectsbyname()

Function: Gets an array of link objects associated with category $cat_name.

get_linkrating()

Function: Legacy function that retrieved the value of a link’s link_rating field.

get_links()

Function: Gets the links associated with category by id.

get_linksbyname()

Function: Gets the links associated with category $cat_name.

get_linksbyname_withrating()

Function: Gets the links associated with category ‘cat_name’ and display rating stars/chars.

get_links_list()

Function: Output entire list of links by category.

get_links_withrating()

Function: Gets the links associated with category n and display rating stars/chars.

get_link_to_edit()

Function: Retrieves link data based on its ID.

get_locale()

Function: Retrieves the current locale.

get_locale_stylesheet_uri()

Function: Retrieves the localized stylesheet URI.

get_main_network_id()

Function: Get the main network ID.

get_main_site_id()

Function: Gets the main site ID.

get_media_embedded_in_content()

Function: Check the content blob for an audio, video, object, embed, or iframe tags.

get_media_item()

Function: Retrieve HTML form for modifying the image attachment.

get_media_items()

Function: Retrieve HTML for media items of post gallery.

get_metadata()

Function: Retrieve metadata for the specified object.

get_metadata_by_mid()

Function: Get meta data by meta ID

get_meta_keys()

Function: Get a list of previously defined keys.

get_meta_sql()

Function: Given a meta query, generates SQL clauses to be appended to a main query.

get_month_link()

Function: Retrieves the permalink for the month archives with year.

get_most_active_blogs()

Function: Deprecated functionality to retrieve a list of the most active sites.

get_most_recent_post_of_user()

Function: Get a user’s most recent post.

get_mu_plugins()

Function: Check the mu-plugins directory and retrieve all mu-plugin files with any plugin data.

get_nav_menu_locations()

Function: Retrieves all registered navigation menu locations and the menus assigned to them.

get_network()

Function: Retrieves network data given a network ID or network object.

get_networks()

Function: Retrieves a list of networks.

get_network_by_path()

Function: Retrieve the closest matching network for a domain and path.

get_network_option()

Function: Retrieve a network’s option value based on the option name.

get_next_comments_link()

Function: Retrieves the link to the next comments page.

get_next_post()

Function: Retrieves the next post that is adjacent to the current post.

get_next_posts_link()

Function: Retrieves the next posts page link.

get_next_posts_page_link()

Function: Retrieves the next posts page link.

get_next_post_link()

Function: Retrieves the next post link that is adjacent to the current post.

get_nonauthor_user_ids()

Function: Gets all users who are not authors.

get_num_queries()

Function: Retrieve the number of database queries during the WordPress execution.

get_objects_in_term()

Function: Retrieve object_ids of valid taxonomy and term.

get_object_subtype()

Function: Returns the object subtype for a given object ID of a specific type.

get_object_taxonomies()

Function: Return the names or objects of the taxonomies which are registered for the requested object or object type, such as a post object or post type name.

get_object_term_cache()

Function: Retrieves the taxonomy relationship to the term object id.

get_oembed_endpoint_url()

Function: Retrieves the oEmbed endpoint URL for a given permalink.

get_oembed_response_data()

Function: Retrieves the oEmbed response data for a given post.

get_oembed_response_data_for_url()

Function: Retrieves the oEmbed response data for a given URL.

get_oembed_response_data_rich()

Function: Filters the oEmbed response data to return an iframe embed code.

get_option()

Function: Retrieves an option value based on an option name.

get_others_drafts()

Function: Retrieve drafts from other users.

get_others_pending()

Function: Retrieve pending review posts from other users.

get_others_unpublished_posts()

Function: Retrieves editable posts from other users.

get_page()

Function: Retrieves page data given a page ID or page object.

get_paged_template()

Function: Retrieve path of paged template in current or parent template.

get_pagenum_link()

Function: Retrieves the link for a page number.

get_pages()

Function: Retrieve a list of pages (or hierarchical post type items).

get_page_by_path()

Function: Retrieves a page given its path.

get_page_by_title()

Function: Retrieve a page given its title.

get_page_children()

Function: Identify descendants of a given page ID in a list of page objects.

get_page_hierarchy()

Function: Order the pages with children under parents in a flat list.

get_page_link()

Function: Retrieves the permalink for the current page or page ID.

get_page_of_comment()

Function: Calculate what page number a comment will appear on for comment paging.

get_page_statuses()

Function: Retrieve all of the WordPress support page statuses.

get_page_template()

Function: Retrieve path of page template in current or parent template.

get_page_templates()

Function: Get the Page Templates available in this theme

get_page_template_slug()

Function: Get the specific template name for a given post.

get_page_uri()

Function: Build the URI path for a page.

get_parent_post_rel_link()

Function: Get parent post relational link.

get_parent_theme_file_path()

Function: Retrieves the path of a file in the parent theme.

get_parent_theme_file_uri()

Function: Retrieves the URL of a file in the parent theme.

get_password_reset_key()

Function: Creates, stores, then returns a password reset key for user.

get_pending_comments_num()

Function: Get the number of pending comments on a post or posts

get_permalink()

Function: Retrieves the full permalink for the current post or post ID.

get_plugins()

Function: Check the plugins directory and retrieve all plugin files with plugin data.

get_plugin_data()

Function: Parses the plugin contents to retrieve plugin’s metadata.

get_plugin_files()

Function: Get a list of a plugin’s files.

get_plugin_page_hook()

Function:

get_plugin_page_hookname()

Function:

get_plugin_updates()

Function:

get_post()

Function: Retrieves post data given a post ID or post object.

get_postdata()

Function: Retrieves all post data for a given post.

get_posts()

Function: Retrieve list of latest posts or posts matching criteria.

get_posts_by_author_sql()

Function: Retrieve the post SQL based on capability, author, and type.

get_posts_nav_link()

Function: Retrieves the post pages link navigation for previous and next pages.

get_post_ancestors()

Function: Retrieve ancestors of a post.

get_post_class()

Function: Retrieves the classes for the post div as an array.

get_post_comments_feed_link()

Function: Retrieves the permalink for the post comments feed.

get_post_custom()

Function: Retrieve post meta fields, based on post ID.

get_post_custom_keys()

Function: Retrieve meta field names for a post.

get_post_custom_values()

Function: Retrieve values for a custom post field.

get_post_embed_html()

Function: Retrieves the embed code for a specific post.

get_post_embed_url()

Function: Retrieves the URL to embed a specific post in an iframe.

get_post_field()

Function: Retrieve data from a post field based on Post ID.

get_post_format()

Function: Retrieve the format slug for a post

get_post_format_link()

Function: Returns a link to a post format index.

get_post_format_slugs()

Function: Retrieves the array of post format slugs.

get_post_format_string()

Function: Returns a pretty, translated version of a post format slug

get_post_format_strings()

Function: Returns an array of post format slugs to their translated and pretty display versions

get_post_galleries()

Function: Retrieves galleries from the passed post’s content.

get_post_galleries_images()

Function: Retrieve the image srcs from galleries from a post’s content, if present

get_post_gallery()

Function: Check a specified post’s content for gallery and, if present, return the first

get_post_gallery_images()

Function: Checks a post’s content for galleries and return the image srcs for the first found gallery

get_post_meta()

Function: Retrieves a post meta field for the given post ID.

get_post_meta_by_id()

Function: Get post meta data by meta ID.

get_post_mime_type()

Function: Retrieve the mime type of an attachment based on the ID.

get_post_mime_types()

Function: Get default post mime types.

get_post_modified_time()

Function: Retrieve the time at which the post was last modified.

get_post_permalink()

Function: Retrieves the permalink for a post of a custom post type.

get_post_reply_link()

Function: Retrieve HTML content for reply to post link.

get_post_stati()

Function: Get a list of post statuses.

get_post_status()

Function: Retrieve the post status based on the post ID.

get_post_statuses()

Function: Retrieve all of the WordPress supported post statuses.

get_post_status_object()

Function: Retrieve a post status object by name.

get_post_taxonomies()

Function: Retrieve all taxonomies of a post with just the names.

get_post_thumbnail_id()

Function: Retrieve post thumbnail ID.

get_post_time()

Function: Retrieve the time at which the post was written.

get_post_to_edit()

Function: Gets an existing post and format it for editing.

get_post_type()

Function: Retrieves the post type of the current post or of a given post.

get_post_types()

Function: Get a list of all registered post type objects.

get_post_types_by_support()

Function: Retrieves a list of post type names that support a specific feature.

get_post_type_archive_feed_link()

Function: Retrieves the permalink for a post type archive feed.

get_post_type_archive_link()

Function: Retrieves the permalink for a post type archive.

get_post_type_archive_template()

Function: Retrieve path of post type archive template in current or parent template.

get_post_type_capabilities()

Function: Build an object with all post type capabilities out of a post type object

get_post_type_labels()

Function: Builds an object with all post type labels out of a post type object.

get_post_type_object()

Function: Retrieves a post type object by name.

get_preferred_from_update_core()

Function: Selects the first update version from the update_core option.

get_preview_post_link()

Function: Retrieves the URL used for the post preview.

get_previous_comments_link()

Function: Retrieves the link to the previous comments page.

get_previous_post()

Function: Retrieves the previous post that is adjacent to the current post.

get_previous_posts_link()

Function: Retrieves the previous posts page link.

get_previous_posts_page_link()

Function: Retrieves the previous posts page link.

get_previous_post_link()

Function: Retrieves the previous post link that is adjacent to the current post.

get_privacy_policy_template()

Function: Retrieve path of Privacy Policy page template in current or parent template.

get_privacy_policy_url()

Function: Retrieves the URL to the privacy policy page.

get_private_posts_cap_sql()

Function: Retrieve the private post SQL based on capability.

get_profile()

Function: Retrieve user data based on field.

get_pung()

Function: Retrieve URLs already pinged for a post.

get_queried_object()

Function: Retrieve the currently-queried object.

get_queried_object_id()

Function: Retrieve ID of the current queried object.

get_query_template()

Function: Retrieve path to a template

get_query_var()

Function: Retrieve variable in the WP_Query class.

get_random_header_image()

Function: Get random header image url from registered images in theme.

get_raw_theme_root()

Function: Get the raw theme root relative to the content directory with no filters applied.

get_real_file_to_edit()

Function: Get the real filesystem path to a file to edit within the admin.

get_registered_metadata()

Function: Retrieves registered metadata for a specified object.

get_registered_meta_keys()

Function: Retrieves a list of registered meta keys for an object type.

get_registered_nav_menus()

Function: Retrieves all registered navigation menu locations in a theme.

get_registered_settings()

Function: Retrieves an array of registered settings.

get_rest_url()

Function: Retrieves the URL to a REST endpoint on a site.

get_role()

Function: Retrieve role object.

get_rss()

Function: Display RSS items in HTML list items.

get_sample_permalink()

Function: Get a sample permalink based off of the post name.

get_sample_permalink_html()

Function: Returns the HTML of the sample permalink slug editor.

get_screen_icon()

Function: Retrieves the screen icon (no longer used in 3.8+).

get_search_comments_feed_link()

Function: Retrieves the permalink for the search results comments feed.

get_search_feed_link()

Function: Retrieves the permalink for the search results feed.

get_search_form()

Function: Display search form.

get_search_link()

Function: Retrieves the permalink for a search.

get_search_query()

Function: Retrieves the contents of the search WordPress query variable.

get_search_template()

Function: Retrieve path of search template in current or parent template.

get_settings()

Function: Get value based on option.

get_settings_errors()

Function: Fetch settings errors registered by add_settings_error()

get_shortcode_atts_regex()

Function: Retrieve the shortcode attributes regex.

get_shortcode_regex()

Function: Retrieve the shortcode regular expression for searching.

get_shortcut_link()

Function: Retrieves the Press This bookmarklet link.

get_sidebar()

Function: Load sidebar template.

get_single_template()

Function: Retrieve path of single template in current or parent template. Applies to single Posts, single Attachments, and single custom post types.

get_singular_template()

Function: Retrieves the path of the singular template in current or parent template.

get_site()

Function: Retrieves site data given a site ID or site object.

get_sites()

Function: Retrieves a list of sites matching requested arguments.

get_sitestats()

Function: Gets the network’s site and user counts.

get_site_allowed_themes()

Function: Deprecated functionality for getting themes network-enabled themes.

get_site_by_path()

Function: Retrieves the closest matching site object by its domain and path.

get_site_icon_url()

Function: Returns the Site Icon URL.

get_site_meta()

Function: Retrieves metadata for a site.

get_site_option()

Function: Retrieve an option value for the current network based on name of option.

get_site_screen_help_sidebar_content()

Function: Returns the content for the help sidebar on the Edit Site screens.

get_site_screen_help_tab_args()

Function: Returns the arguments for the help tab on the Edit Site screens.

get_site_transient()

Function: Get the value of a site transient.

get_site_url()

Function: Retrieves the URL for a given site where WordPress application files (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.

get_space_allowed()

Function: Returns the upload quota for the current blog.

get_space_used()

Function: Returns the space used by the current blog.

get_status_header_desc()

Function: Retrieve the description for the HTTP status.

get_stylesheet()

Function: Retrieve name of the current stylesheet.

get_stylesheet_directory()

Function: Retrieve stylesheet directory path for current theme.

get_stylesheet_directory_uri()

Function: Retrieve stylesheet directory URI.

get_stylesheet_uri()

Function: Retrieves the URI of current theme stylesheet.

get_subdirectory_reserved_names()

Function: Retrieves a list of reserved site on a sub-directory Multisite installation.

get_submit_button()

Function: Returns a submit button, with provided text and appropriate class

get_super_admins()

Function: Retrieve a list of super admins.

get_tag()

Function: Retrieve post tag by tag ID or tag object.

get_tags()

Function: Retrieves all post tags.

get_tags_to_edit()

Function: Get comma-separated list of tags available to edit.

get_tag_feed_link()

Function: Retrieves the permalink for a tag feed.

get_tag_link()

Function: Retrieve the link to the tag.

get_tag_regex()

Function: Return RegEx body to liberally match an opening HTML tag.

get_tag_template()

Function: Retrieve path of tag template in current or parent template.

get_taxonomies()

Function: Retrieves a list of registered taxonomy names or objects.

get_taxonomies_for_attachments()

Function: Retrieves all of the taxonomy names that are registered for attachments.

get_taxonomy()

Function: Retrieves the taxonomy object of $taxonomy.

get_taxonomy_labels()

Function: Builds an object with all taxonomy labels out of a taxonomy object.

get_taxonomy_template()

Function: Retrieve path of custom taxonomy term template in current or parent template.

get_tax_sql()

Function: Given a taxonomy query, generates SQL to be appended to a main query.

get_template()

Function: Retrieve name of the current theme.

get_template_directory()

Function: Retrieve current theme directory.

get_template_directory_uri()

Function: Retrieve theme directory URI.

get_template_part()

Function: Loads a template part into a template.

get_temp_dir()

Function: Determine a writable directory for temporary files.

get_term()

Function: Get all Term data from database by Term ID.

get_terms()

Function: Retrieve the terms in a given taxonomy or list of taxonomies.

get_terms_to_edit()

Function: Get comma-separated list of terms available to edit for the given post ID.

get_term_by()

Function: Get all Term data from database by Term field and data.

get_term_children()

Function: Merge all term children into a single array of their IDs.

get_term_feed_link()

Function: Retrieves the feed link for a term.

get_term_field()

Function: Get sanitized Term field.

get_term_link()

Function: Generate a permalink for a taxonomy term archive.

get_term_meta()

Function: Retrieves metadata for a term.

get_term_parents_list()

Function: Retrieve term parents with separator.

get_term_to_edit()

Function: Sanitizes Term for editing.

get_theme()

Function: Retrieve theme data.

get_themes()

Function: Retrieve list of themes with theme data in theme directory.

get_theme_data()

Function: Retrieve theme data from parsed theme file.

get_theme_feature_list()

Function: Retrieve list of WordPress theme features (aka theme tags)

get_theme_file_path()

Function: Retrieves the path of a file in the theme.

get_theme_file_uri()

Function: Retrieves the URL of a file in the theme.

get_theme_mod()

Function: Retrieve theme modification value for the current theme.

get_theme_mods()

Function: Retrieve all theme modifications.

get_theme_root()

Function: Retrieve path to themes directory.

get_theme_roots()

Function: Retrieve theme roots.

get_theme_root_uri()

Function: Retrieve URI for themes directory.

get_theme_starter_content()

Function: Expand a theme’s starter content configuration using core-provided data.

get_theme_support()

Function: Gets the theme support arguments passed when registering that support

get_theme_updates()

Function:

get_theme_update_available()

Function: Retrieve the update link if there is a theme update available.

get_the_archive_description()

Function: Retrieves the description for an author, post type, or term archive.

get_the_archive_title()

Function: Retrieve the archive title based on the queried object.

get_the_attachment_link()

Function: Retrieve HTML content of attachment image with link.

get_the_author()

Function: Retrieve the author of the current post.

get_the_author_aim()

Function: Retrieve the AIM address of the author of the current post.

get_the_author_description()

Function: Retrieve the description of the author of the current post.

get_the_author_email()

Function: Retrieve the email of the author of the current post.

get_the_author_firstname()

Function: Retrieve the first name of the author of the current post.

get_the_author_icq()

Function: Retrieve the ICQ number of the author of the current post.

get_the_author_ID()

Function: Retrieve the ID of the author of the current post.

get_the_author_lastname()

Function: Retrieve the last name of the author of the current post.

get_the_author_link()

Function: Retrieve either author’s link or author’s name.

get_the_author_login()

Function: Retrieve the login name of the author of the current post.

get_the_author_meta()

Function: Retrieves the requested data of the author of the current post.

get_the_author_msn()

Function: Retrieve the MSN address of the author of the current post.

get_the_author_nickname()

Function: Retrieve the nickname of the author of the current post.

get_the_author_posts()

Function: Retrieve the number of posts by the author of the current post.

get_the_author_posts_link()

Function: Retrieves an HTML link to the author page of the current post’s author.

get_the_author_url()

Function: Retrieve the URL to the home page of the author of the current post.

get_the_author_yim()

Function: Retrieve the Yahoo! IM name of the author of the current post.

get_the_category()

Function: Retrieve post categories.

get_the_category_by_ID()

Function: Retrieve category name based on category ID.

get_the_category_list()

Function: Retrieve category list for a post in either HTML list or custom format.

get_the_category_rss()

Function: Retrieve all of the post categories, formatted for use in feeds.

get_the_comments_navigation()

Function: Retrieves navigation to next/previous set of comments, when applicable.

get_the_comments_pagination()

Function: Retrieves a paginated navigation to next/previous set of comments, when applicable.

get_the_content()

Function: Retrieve the post content.

get_the_content_feed()

Function: Retrieve the post content for feeds.

get_the_date()

Function: Retrieve the date on which the post was written.

get_the_excerpt()

Function: Retrieves the post excerpt.

get_the_generator()

Function: Creates the generator XML or Comment for RSS, ATOM, etc.

get_the_guid()

Function: Retrieve the Post Global Unique Identifier (guid).

get_the_ID()

Function: Retrieve the ID of the current item in the WordPress Loop.

get_the_modified_author()

Function: Retrieve the author who last edited the current post.

get_the_modified_date()

Function: Retrieve the date on which the post was last modified.

get_the_modified_time()

Function: Retrieve the time at which the post was last modified.

get_the_password_form()

Function: Retrieve protected post password form content.

get_the_permalink()

Function: Retrieves the full permalink for the current post or post ID.

get_the_posts_navigation()

Function: Returns the navigation to next/previous set of posts, when applicable.

get_the_posts_pagination()

Function: Retrieves a paginated navigation to next/previous set of posts, when applicable.

get_the_post_navigation()

Function: Retrieves the navigation to next/previous post, when applicable.

get_the_post_thumbnail()

Function: Retrieve the post thumbnail.

get_the_post_thumbnail_caption()

Function: Returns the post thumbnail caption.

get_the_post_thumbnail_url()

Function: Return the post thumbnail URL.

get_the_post_type_description()

Function: Retrieves the description for a post type archive.

get_the_privacy_policy_link()

Function: Returns the privacy policy link with formatting, when applicable.

get_the_tags()

Function: Retrieve the tags for a post.

get_the_tag_list()

Function: Retrieve the tags for a post formatted as a string.

get_the_taxonomies()

Function: Retrieve all taxonomies associated with a post.

get_the_terms()

Function: Retrieve the terms of the taxonomy that are attached to the post.

get_the_term_list()

Function: Retrieve a post’s terms as a list with specified format.

get_the_time()

Function: Retrieve the time at which the post was written.

get_the_title()

Function: Retrieve post title.

get_the_title_rss()

Function: Retrieve the current post title for the feed.

get_to_ping()

Function: Retrieve URLs that need to be pinged.

get_trackback_url()

Function: Retrieve The current post’s trackback URL.

get_transient()

Function: Get the value of a transient.

get_translations_for_domain()

Function: Return the Translations instance for a text domain.

get_udims()

Function: Calculated the new dimensions for a downsampled image.

get_uploaded_header_images()

Function: Get the header images uploaded for the current theme.

get_upload_iframe_src()

Function:

get_upload_space_available()

Function: Determines if there is any upload space left in the current blog’s quota.

get_url_in_content()

Function: Extract and return the first URL from passed content.

get_userdata()

Function: Retrieve user info by user ID.

get_userdatabylogin()

Function: Retrieve user info by login name.

get_usermeta()

Function: Retrieve user metadata.

get_usernumposts()

Function: Retrieves the number of posts a user has written.

get_users()

Function: Retrieve list of users matching criteria.

get_users_drafts()

Function: Retrieve the user’s drafts.

get_users_of_blog()

Function: Get users for the site.

get_user_by()

Function: Retrieve user info by a given field

get_user_by_email()

Function: Retrieve user info by email.

get_user_count()

Function: The number of active users in your installation.

get_user_details()

Function: Deprecated functionality to retrieve user information.

get_user_id_from_string()

Function: Get a numeric user ID from either an email address or a login.

get_user_locale()

Function: Retrieves the locale of a user.

get_user_meta()

Function: Retrieve user meta field for a user.

get_user_metavalues()

Function: Perform the query to get the $metavalues array(s) needed by _fill_user and _fill_many_users

get_user_option()

Function: Retrieve user option that can be either per Site or per Network.

get_user_setting()

Function: Retrieve user interface setting value based on setting name.

get_user_to_edit()

Function: Retrieve user data and filter it.

get_weekstartend()

Function: Get the week start and end from the datetime or date string from MySQL.

get_wp_title_rss()

Function: Retrieve the blog title for the feed title.

get_year_link()

Function: Retrieves the permalink for the year archives.

global_terms()

Function: Maintains a canonical list of terms by syncing terms created for each blog with the global terms table.

global_terms_enabled()

Function: Determine whether global terms are enabled.

got_mod_rewrite()

Function: Returns whether the server is running Apache with the mod_rewrite module loaded.

got_url_rewrite()

Function: Returns whether the server supports URL rewriting.

graceful_fail()

Function: Deprecated functionality to gracefully fail.

grant_super_admin()

Function: Grants Super Admin privileges.

gutenberg_draft_or_post_title()

Function: Get the post title.

gutenberg_render_block_core_latest_comments()

Function: Renders the `core/latest-comments` block on server.

gzip_compression()

Function: Unused function.

hash_equals()

Function: Timing attack safe string comparison

hash_hmac()

Function:

has_action()

Function: Check if any action has been registered for a hook.

has_block()

Function: Determine whether a $post or a string contains a specific block type.

has_blocks()

Function: Determine whether a post or content string has blocks.

has_category()

Function: Check if the current post has any of given category.

has_custom_header()

Function: Check whether a custom header is set or not.

has_custom_logo()

Function: Determines whether the site has a custom logo.

has_excerpt()

Function: Determines whether the post has a custom excerpt.

has_filter()

Function: Check if any filter has been registered for a hook.

has_header_image()

Function: Check whether a header image is set or not.

has_header_video()

Function: Check whether a header video is set or not.

has_image_size()

Function: Check if an image size exists.

has_meta()

Function: Get meta data for the given post ID.

has_nav_menu()

Function: Determines whether a registered nav menu location has a menu assigned to it.

has_post_format()

Function: Check if a post has any of the given formats, or any format.

has_post_thumbnail()

Function: Determines whether a post has an image attached.

has_shortcode()

Function: Whether the passed content contains the specified shortcode

has_site_icon()

Function: Whether the site has a Site Icon.

has_tag()

Function: Check if the current post has any of given tags.

has_term()

Function: Check if the current post has any of given terms.

has_term_meta()

Function: Get all meta data, including meta IDs, for the given term ID.

have_comments()

Function: Whether there are comments to loop over.

have_posts()

Function: Whether current WordPress query has results to loop over.

header_image()

Function: Display header image URL.

header_textcolor()

Function: Displays the custom header text color in 3- or 6-digit hexadecimal form (minus the hash symbol).

heartbeat_autosave()

Function: Autosave with heartbeat

hello_dolly()

Function:

hello_dolly_get_lyric()

Function:

home_url()

Function: Retrieves the URL for the current site where the front end is accessible.

htmlentities2()

Function: Convert entities, while preserving already-encoded entities.

html_type_rss()

Function: Display the HTML type based on the blog setting.

human_readable_duration()

Function: Convert a duration to human readable format.

human_time_diff()

Function: Determines the difference between two timestamps.

iframe_footer()

Function: Generic Iframe footer for use with Thickbox

iframe_header()

Function: Generic Iframe header for use with Thickbox

iis7_add_rewrite_rule()

Function: Add WordPress rewrite rule to the IIS 7+ configuration file.

iis7_delete_rewrite_rule()

Function: Delete WordPress rewrite rule from web.config file if it exists there

iis7_rewrite_rule_exists()

Function: Check if rewrite rule for WordPress already exists in the IIS 7+ configuration file

iis7_save_url_rewrite_rules()

Function: Updates the IIS web.config file with the current rules if it is writable.

iis7_supports_permalinks()

Function: Check if IIS 7+ supports pretty permalinks.

image_add_caption()

Function: Adds image shortcode with caption to editor

image_align_input_fields()

Function: Retrieve HTML for the image alignment radio buttons with the specified one checked.

image_attachment_fields_to_edit()

Function: Retrieves the image attachment fields to edit form fields.

image_attachment_fields_to_save()

Function: Filters input from media_upload_form_handler() and assigns a default post_title from the file name if none supplied.

image_constrain_size_for_editor()

Function: Scale down the default size of an image.

image_downsize()

Function: Scale an image to fit a particular size (such as ‘thumb’ or ‘medium’).

image_edit_apply_changes()

Function: Performs group of changes on Editor specified.

image_get_intermediate_size()

Function: Retrieves the image’s intermediate size (resized) path, width, and height.

image_hwstring()

Function: Retrieve width and height attributes using given width and height values.

image_link_input_fields()

Function: Retrieve HTML for the Link URL buttons with the default link type as specified.

image_make_intermediate_size()

Function: Resizes an image to make a thumbnail or intermediate size.

image_media_send_to_editor()

Function: Retrieves the media element HTML to send to the editor.

image_resize()

Function: Scale down an image to fit a particular size and save a new copy of the image.

image_resize_dimensions()

Function: Retrieves calculated resize dimensions for use in WP_Image_Editor.

image_size_input_fields()

Function: Retrieve HTML for the size radio buttons with the specified one checked.

img_caption_shortcode()

Function: Builds the Caption shortcode output.

includes_url()

Function: Retrieves the URL to the includes directory.

index_rel_link()

Function: Display relational link for the site index.

init()

Function: Set up constants with default values, unless user overrides.

insert_blog()

Function: Store basic site info in the blogs table.

insert_with_markers()

Function: Inserts an array of strings into a file (.htaccess ), placing it between BEGIN and END markers.

install_blog()

Function: Install an empty blog.

install_blog_defaults()

Function: Set blog defaults.

install_dashboard()

Function:

install_global_terms()

Function: Install global terms.

install_network()

Function: Install Network.

install_plugins_favorites_form()

Function: Show a username form for the favorites page

install_plugins_upload()

Function: Upload from zip

install_plugin_information()

Function: Display plugin information in dialog box form.

install_plugin_install_status()

Function: Determine the status we can perform on a plugin.

install_popular_tags()

Function: Retrieve popular WordPress plugin tags.

install_search_form()

Function: Displays a search form for searching plugins.

install_themes_dashboard()

Function: Display tags filter for themes.

install_themes_feature_list()

Function: Retrieve list of WordPress theme features (aka theme tags)

install_themes_upload()

Function:

install_theme_information()

Function: Display theme information in dialog box form.

install_theme_search_form()

Function: Display search form for searching themes.

in_category()

Function: Check if the current post is within any of the given categories.

in_the_loop()

Function: Determines whether the caller is in the Loop.

iso8601_timezone_to_offset()

Function: Computes an offset in seconds from an iso8601 timezone.

iso8601_to_datetime()

Function: Converts an iso8601 date to MySQL DateTime format used by post_date[_gmt].

is_404()

Function: Determines whether the query has resulted in a 404 (returns no results).

is_active_sidebar()

Function: Determines whether a sidebar is in use.

is_active_widget()

Function: Whether widget is displayed on the front end.

is_admin()

Function: Determines whether the current request is for an administrative interface page.

is_admin_bar_showing()

Function: Determine whether the admin bar should be showing.

is_allowed_http_origin()

Function: Determines if the HTTP origin is an authorized one.

is_archive()

Function: Determines whether the query is for an existing archive page.

is_archived()

Function: Check if a particular blog is archived.

is_attachment()

Function: Is the query for an existing attachment page?

is_author()

Function: Determines whether the query is for an existing author archive page.

is_avatar_comment_type()

Function: Check if this comment type allows avatars to be retrieved.

is_blog_admin()

Function: Whether the current request is for a site’s admininstrative interface.

is_blog_installed()

Function: Determines whether WordPress is already installed.

is_blog_user()

Function: Checks if the current user belong to a given site.

is_category()

Function: Determines whether the query is for an existing category archive page.

is_child_theme()

Function: Whether a child theme is in use.

is_client_error()

Function:

is_comments_popup()

Function: Determines whether the current URL is within the comments popup window.

is_comment_feed()

Function: Is the query for a comments feed?

is_countable()

Function: Polyfill for is_countable() function added in PHP 7.3.

is_customize_preview()

Function: Whether the site is being previewed in the Customizer.

is_date()

Function: Determines whether the query is for an existing date archive.

is_day()

Function: Determines whether the query is for an existing day archive.

is_dynamic_sidebar()

Function: Determines whether the dynamic sidebar is enabled and used by the theme.

is_email()

Function: Verifies that an email is valid.

is_email_address_unsafe()

Function: Checks an email address against a list of banned domains.

is_embed()

Function: Is the query for an embedded post?

is_error()

Function:

is_feed()

Function: Determines whether the query is for a feed.

is_front_page()

Function: Is the query for the front page of the site?

is_header_video_active()

Function: Checks whether the custom header video is eligible to show on the current page.

is_home()

Function: Determines if the query is for the blog homepage.

is_info()

Function:

is_iterable()

Function: Polyfill for is_iterable() function added in PHP 7.1.

is_lighttpd_before_150()

Function: Is the server running earlier than 1.5.0 version of lighttpd?

is_locale_switched()

Function: Whether switch_to_locale() is in effect.

is_local_attachment()

Function: Determines whether an attachment URI is local and really an attachment.

is_main_blog()

Function: Deprecated functionality to determin if the current site is the main site.

is_main_network()

Function: Determine whether a network is the main network of the Multisite installation.

is_main_query()

Function: Determines whether the query is the main query.

is_main_site()

Function: Determine whether a site is the main site of the current network.

is_month()

Function: Determines whether the query is for an existing month archive.

is_multisite()

Function: If Multisite is enabled.

is_multi_author()

Function: Determines whether this site has more than one author.

is_nav_menu()

Function: Check if the given ID is a navigation menu.

is_nav_menu_item()

Function: Determines whether the given ID is a nav menu item.

is_network_admin()

Function: Whether the current request is for the network administrative interface.

is_network_only_plugin()

Function: Checks for “Network: true” in the plugin header to see if this should be activated only as a network wide plugin. The plugin would also work when Multisite is not enabled.

is_new_day()

Function: Determines whether the publish date of the current post in the loop is different from the publish date of the previous post in the loop.

is_object_in_taxonomy()

Function: Determine if the given object type is associated with the given taxonomy.

is_object_in_term()

Function: Determine if the given object is associated with any of the given terms.

is_page()

Function: Determines whether the query is for an existing single page.

is_paged()

Function: Determines whether the query is for paged results and not for the first page.

is_page_template()

Function: Determines whether currently in a page template.

is_php_version_compatible()

Function: Checks compatibility with the current PHP version.

is_plugin_active()

Function: Determines whether a plugin is active.

is_plugin_active_for_network()

Function: Check whether the plugin is active for the entire network.

is_plugin_inactive()

Function: Determines whether the plugin is inactive.

is_plugin_page()

Function: Determines whether the current admin page is generated by a plugin.

is_plugin_paused()

Function: Determines whether a plugin is technically active but was paused while loading.

is_post_type_archive()

Function: Determines whether the query is for an existing post type archive page.

is_post_type_hierarchical()

Function: Whether the post type is hierarchical.

is_post_type_viewable()

Function: Determines whether a post type is considered “viewable”.

is_preview()

Function: Is the query for a post or page preview?

is_privacy_policy()

Function: Determines whether the query is for the Privacy Policy page.

is_protected_ajax_action()

Function: Determines whether we are currently handling an AJAX action that should be protected against WSODs.

is_protected_endpoint()

Function: Determines whether we are currently on an endpoint that should be protected against WSODs.

is_protected_meta()

Function: Determine whether a meta key is protected.

is_random_header_image()

Function: Check if random header image is in use.

is_redirect()

Function:

is_registered_sidebar()

Function: Checks if a sidebar is registered.

is_robots()

Function: Is the query for the robots file?

is_rtl()

Function: Determines whether the current locale is right-to-left (RTL).

is_search()

Function: Determines whether the query is for a search.

is_serialized()

Function: Check value to find if it was serialized.

is_serialized_string()

Function: Check whether serialized data is of string type.

is_server_error()

Function:

is_single()

Function: Determines whether the query is for an existing single post.

is_singular()

Function: Determines whether the query is for an existing single post of any post type (post, attachment, page, custom post types).

is_site_admin()

Function: Determine if user is a site admin.

is_site_meta_supported()

Function: Determines whether site meta is enabled.

is_ssl()

Function: Determines if SSL is used.

is_sticky()

Function: Check if post is sticky.

is_subdomain_install()

Function: Whether a subdomain configuration is enabled.

is_success()

Function:

is_super_admin()

Function: Determine if user is a site admin.

is_tag()

Function: Is the query for an existing tag archive page?

is_tax()

Function: Is the query for an existing custom taxonomy archive page?

is_taxonomy()

Function: Checks that the taxonomy name exists.

is_taxonomy_hierarchical()

Function: Determines whether the taxonomy object is hierarchical.

is_taxonomy_viewable()

Function: Determines whether a taxonomy is considered “viewable”.

is_term()

Function: Check if Term exists.

is_textdomain_loaded()

Function: Whether there are translations for the text domain.

is_theme_paused()

Function: Determines whether a theme is technically active but was paused while loading.

is_time()

Function: Determines whether the query is for a specific time.

is_trackback()

Function: Determines whether the query is for a trackback endpoint call.

is_uninstallable_plugin()

Function: Whether the plugin can be uninstalled.

is_upload_space_available()

Function: Determines if there is any upload space left in the current blog’s quota.

is_user_admin()

Function: Whether the current request is for a user admin screen.

is_user_logged_in()

Function: Determines whether the current visitor is a logged in user.

is_user_member_of_blog()

Function: Find out whether a user is a member of a given blog.

is_user_option_local()

Function: Check whether a usermeta key has to do with the current blog.

is_user_spammy()

Function: Check to see whether a user is marked as a spammer, based on user login.

is_wpmu_sitewide_plugin()

Function: Deprecated functionality for determining if the current plugin is network-only.

is_wp_error()

Function: Check whether variable is a WordPress Error.

is_wp_version_compatible()

Function: Checks compatibility with the current WordPress version.

is_year()

Function: Determines whether the query is for an existing year archive.

json_decode()

Function:

json_encode()

Function:

json_last_error_msg()

Function: Retrieves the error string of the last json_encode() or json_decode() call.

js_escape()

Function: Escape single quotes, specialchar double quotes, and fix line endings.

kses_init()

Function: Sets up most of the Kses filters for input form content.

kses_init_filters()

Function: Adds all Kses input form content filters.

kses_remove_filters()

Function: Removes all Kses input form content filters.

language_attributes()

Function: Displays the language attributes for the html tag.

like_escape()

Function: Formerly used to escape strings before searching the DB. It was poorly documented and never worked as described.

links_add_base_url()

Function: Add a Base url to relative links in passed content.

links_add_target()

Function: Adds a Target attribute to all links in passed content.

links_popup_script()

Function: Show the link to the links popup and the number of links.

link_advanced_meta_box()

Function: Display advanced link options form fields.

link_categories_meta_box()

Function: Display link categories form fields.

link_pages()

Function: Print list of pages based on arguments.

link_submit_meta_box()

Function: Display link create form fields.

link_target_meta_box()

Function: Display form fields for changing link target.

link_xfn_meta_box()

Function: Display xfn form fields.

list_authors()

Function: Lists authors.

list_cats()

Function: Lists categories.

list_core_update()

Function:

list_files()

Function: Returns a listing of all files in the specified folder and all subdirectories up to 100 levels deep.

list_meta()

Function: Outputs a post’s public meta data in the Custom Fields meta box.

list_plugin_updates()

Function:

list_theme_updates()

Function:

list_translation_updates()

Function:

load_child_theme_textdomain()

Function: Load the child themes translated strings.

load_default_textdomain()

Function: Load default translated strings based on locale.

load_image_to_edit()

Function: Load an image resource for editing.

load_muplugin_textdomain()

Function: Load the translated strings for a plugin residing in the mu-plugins directory.

load_plugin_textdomain()

Function: Loads a plugin’s translated strings.

load_script_textdomain()

Function: Loads the script translated strings.

load_script_translations()

Function: Loads the translation data for the given script handle and text domain.

load_template()

Function: Require the template file with WordPress environment.

load_textdomain()

Function: Load a .mo file into the text domain $domain.

load_theme_textdomain()

Function: Load the theme’s translated strings.

locale_stylesheet()

Function: Display localized stylesheet link element.

locate_template()

Function: Retrieve the name of the highest priority template file that exists.

login_footer()

Function: Outputs the footer for the login page.

login_header()

Function: Output the login page header.

logIO()

Function: logIO() – Writes logging info to a file.

maintenance_nag()

Function:

make_clickable()

Function: Convert plaintext URI to HTML links.

make_db_current()

Function: Updates the database tables to a new schema.

make_db_current_silent()

Function: Updates the database tables to a new schema, but without displaying results.

make_site_theme()

Function: Creates a site theme.

make_site_theme_from_default()

Function: Creates a site theme from the default theme.

make_site_theme_from_oldschool()

Function: Creates a site theme from an existing theme.

make_url_footnote()

Function: Strip HTML and put links at the bottom of stripped content.

map_deep()

Function: Maps a function to all non-iterable elements of an array or an object.

map_meta_cap()

Function: Map meta capabilities to primitive capabilities.

maybe_add_column()

Function: Adds column to a database table if it doesn’t already exist.

maybe_add_existing_user_to_blog()

Function: Add a new user to a blog by visiting /newbloguser/{key}/.

maybe_convert_table_to_utf8mb4()

Function: If a table only contains utf8 or utf8mb4 columns, convert it to utf8mb4.

maybe_create_table()

Function: Creates a table in the database if it doesn’t already exist.

maybe_disable_automattic_widgets()

Function: Disables the Automattic widgets plugin, which was merged into core.

maybe_disable_link_manager()

Function: Disables the Link Manager on upgrade if, at the time of upgrade, no links exist in the DB.

maybe_drop_column()

Function: Drop column from database table, if it exists.

maybe_hash_hex_color()

Function: Ensures that any hex color is properly hashed.

maybe_redirect_404()

Function: Correct 404 redirects when NOBLOGREDIRECT is defined.

maybe_serialize()

Function: Serialize data, if needed.

maybe_unserialize()

Function: Unserialize value only if it was serialized.

mbstring_binary_safe_encoding()

Function: Set the mbstring internal encoding to a binary safe encoding when func_overload is enabled.

mb_strlen()

Function:

mb_substr()

Function:

media_buttons()

Function: Adds the media button to the editor

media_handle_sideload()

Function: Handles a side-loaded file in the same way as an uploaded file is handled by media_handle_upload().

media_handle_upload()

Function: Save a file submitted from a POST request and create an attachment post for it.

media_post_single_attachment_fields_to_edit()

Function: Retrieves the post non-image attachment fields to edito form fields.

media_send_to_editor()

Function: Adds image html to editor

media_sideload_image()

Function: Downloads an image from the specified URL and attaches it to a post.

media_single_attachment_fields_to_edit()

Function: Retrieves the single non-image attachment fields to edit form fields.

media_upload_audio()

Function: Handles uploading an audio file.

media_upload_file()

Function: Handles uploading a generic file.

media_upload_flash_bypass()

Function: Displays the multi-file uploader message.

media_upload_form()

Function: Outputs the legacy media upload form.

media_upload_form_handler()

Function: Handles form submissions for the legacy media uploader.

media_upload_gallery()

Function: Retrieves the legacy media uploader form in an iframe.

media_upload_gallery_form()

Function: Adds gallery form to upload iframe

media_upload_header()

Function: Outputs the legacy media upload header.

media_upload_html_bypass()

Function: Displays the browser’s built-in uploader message.

media_upload_image()

Function: Handles uploading an image.

media_upload_library()

Function: Retrieves the legacy media library form in an iframe.

media_upload_library_form()

Function: Outputs the legacy media upload form for the media library.

media_upload_max_image_resize()

Function: Displays the checkbox to scale images.

media_upload_tabs()

Function: Defines the default media upload tabs

media_upload_text_after()

Function: Used to display a “After a file has been uploaded.

media_upload_type_form()

Function: Outputs the legacy media upload form for a given media type.

media_upload_type_url_form()

Function: Outputs the legacy media upload form for external media.

media_upload_video()

Function: Handles uploading a video file.

menu_page_url()

Function: Get the url to access a particular menu page based on the slug it was registered with.

metadata_exists()

Function: Determine if a meta key is set for a given object

meta_box_prefs()

Function: Prints the meta box preferences for screen meta.

meta_form()

Function: Prints the form in the Custom Fields meta box.

ms_allowed_http_request_hosts()

Function: Whitelists any domain in a multisite installation for safe HTTP requests.

ms_cookie_constants()

Function: Defines Multisite cookie constants.

ms_deprecated_blogs_file()

Function: Deprecated functionality for determining whether a file is deprecated.

ms_file_constants()

Function: Defines Multisite file constants.

ms_is_switched()

Function: Determines if switch_to_blog() is in effect

ms_load_current_site_and_network()

Function: Identifies the network and site of a requested domain and path and populates the corresponding network and site global objects as part of the multisite bootstrap process.

ms_not_installed()

Function: Displays a failure message.

ms_site_check()

Function: Checks status of current blog.

ms_subdomain_constants()

Function: Defines Multisite subdomain constants and handles warnings and notices.

ms_upload_constants()

Function: Defines Multisite upload constants.

multisite_over_quota_message()

Function: Displays the out of storage quota message in Multisite.

mu_dropdown_languages()

Function: Generates and displays a drop-down of available languages.

mu_options()

Function: WPMU options.

mysql2date()

Function: Convert given date string into a different format.

mysql_to_rfc3339()

Function: Parses and formats a MySQL datetime (Y-m-d H:i:s) for ISO8601/RFC3339.

network_admin_url()

Function: Retrieves the URL to the admin area for the network.

network_domain_check()

Function: Check for an existing network.

network_edit_site_nav()

Function: Outputs the HTML for a network’s “Edit Site” tabular interface.

network_home_url()

Function: Retrieves the home URL for the current network.

network_settings_add_js()

Function: Print JavaScript in the header on the Network Settings screen.

network_site_url()

Function: Retrieves the site URL for the current network.

network_step1()

Function: Prints step 1 for Network installation process.

network_step2()

Function: Prints step 2 for Network installation process.

newblog_notify_siteadmin()

Function: Notifies the network admin that a new site has been activated.

newuser_notify_siteadmin()

Function: Notifies the network admin that a new user has been activated.

new_user_email_admin_notice()

Function: Adds an admin notice alerting the user to check for confirmation request email after email address change.

next_comments_link()

Function: Displays the link to the next comments page.

next_image_link()

Function: Displays next image link that has the same post parent.

next_post()

Function: Prints link to the next post.

next_posts()

Function: Displays or retrieves the next posts page link.

next_posts_link()

Function: Displays the next posts page link.

next_post_link()

Function: Displays the next post link that is adjacent to the current post.

next_post_rel_link()

Function: Displays the relational link for the next post adjacent to the current post.

next_widget_id_number()

Function:

nocache_headers()

Function: Set the headers to prevent caching for the different browsers.

noindex()

Function: Displays a noindex meta tag if required by the blog configuration.

normalize_whitespace()

Function: Normalize EOL characters and strip duplicate whitespace.

number_format_i18n()

Function: Convert float number to format based on the locale.

options_discussion_add_js()

Function: Output JavaScript to toggle display of additional settings if avatars are disabled.

options_general_add_js()

Function: Display JavaScript on the page.

options_permalink_add_js()

Function: Display JavaScript on the page.

options_reading_add_js()

Function: Display JavaScript on the page.

options_reading_blog_charset()

Function: Render the site charset setting.

option_update_filter()

Function: Refreshes the value of the options whitelist available via the ‘whitelist_options’ hook.

page_attributes_meta_box()

Function: Display page attributes form fields.

page_template_dropdown()

Function: Print out option HTML elements for the page templates drop-down.

paginate_comments_links()

Function: Displays or retrieves pagination links for the comments on the current post.

paginate_links()

Function: Retrieve paginated link for archive post pages.

parent_dropdown()

Function: Print out option HTML elements for the page parents drop-down.

parent_post_rel_link()

Function: Display relational link for parent item

parse_blocks()

Function: Parses blocks out of a content string.

parse_w3cdtf()

Function:

path_is_absolute()

Function: Test if a given filesystem path is absolute.

path_join()

Function: Join two filesystem paths together.

paused_plugins_notice()

Function: Renders an admin notice in case some plugins have been paused due to errors.

paused_themes_notice()

Function: Renders an admin notice in case some themes have been paused due to errors.

permalink_anchor()

Function: Displays the permalink anchor for the current post.

permalink_link()

Function: Print the permalink of the current post in the loop.

permalink_single_rss()

Function: Print the permalink to the RSS feed.

pingback()

Function: Pings back the links found in a post.

pingback_ping_source_uri()

Function: Default filter attached to pingback_ping_source_uri to validate the pingback’s Source URI

pings_open()

Function: Determines whether the current post is open for pings.

plugins_api()

Function: Retrieves plugin installer pages from the WordPress.org Plugins API.

plugins_url()

Function: Retrieves a URL within the plugins or mu-plugins directory.

plugin_basename()

Function: Gets the basename of a plugin.

plugin_dir_path()

Function: Get the filesystem directory path (with trailing slash) for the plugin __FILE__ passed in.

plugin_dir_url()

Function: Get the URL directory path (with trailing slash) for the plugin __FILE__ passed in.

plugin_sandbox_scrape()

Function: Load a given plugin attempt to generate errors.

populate_network()

Function: Populate network settings.

populate_network_meta()

Function: Creates WordPress network meta and sets the default values.

populate_options()

Function: Create WordPress options and set the default values.

populate_roles()

Function: Execute WordPress role creation for the various WordPress versions.

populate_roles_160()

Function: Create the roles for WordPress 2.0

populate_roles_210()

Function: Create and modify WordPress roles for WordPress 2.1.

populate_roles_230()

Function: Create and modify WordPress roles for WordPress 2.3.

populate_roles_250()

Function: Create and modify WordPress roles for WordPress 2.5.

populate_roles_260()

Function: Create and modify WordPress roles for WordPress 2.6.

populate_roles_270()

Function: Create and modify WordPress roles for WordPress 2.7.

populate_roles_280()

Function: Create and modify WordPress roles for WordPress 2.8.

populate_roles_300()

Function: Create and modify WordPress roles for WordPress 3.0.

populate_site_meta()

Function: Creates WordPress site meta and sets the default values.

popuplinks()

Function: Adds element attributes to open links in new tabs.

postbox_classes()

Function: Returns the list of classes to be used by a meta box.

posts_nav_link()

Function: Displays the post pages link navigation for previous and next pages.

post_author_meta_box()

Function: Display form field with list of authors.

post_categories_meta_box()

Function: Display post categories form fields.

post_class()

Function: Display the classes for the post div.

post_comments_feed_link()

Function: Displays the comment feed link for a post.

post_comment_meta_box()

Function: Display comments for post.

post_comment_meta_box_thead()

Function: Display comments for post table header

post_comment_status_meta_box()

Function: Display comments status form fields.

post_custom()

Function: Retrieve post custom meta data field.

post_custom_meta_box()

Function: Display custom fields form fields.

post_excerpt_meta_box()

Function: Display post excerpt form fields.

post_exists()

Function: Determine if a post exists based on title, content, and date

post_format_meta_box()

Function: Display post format form elements.

post_form_autocomplete_off()

Function: Disables autocomplete on the ‘post’ form (Add/Edit Post screens) for WebKit browsers, as they disregard the autocomplete setting on the editor textarea. That can break the editor when the user navigates to it with the browser’s Back button. See #28037

post_password_required()

Function: Whether post requires password and correct password has been provided.

post_permalink()

Function: Retrieve permalink from post ID.

post_preview()

Function: Saves a draft or manually autosaves for the purpose of showing a post preview.

post_reply_link()

Function: Displays the HTML content for reply to post link.

post_revisions_meta_box()

Function: Display list of revisions.

post_slug_meta_box()

Function: Display slug form fields.

post_submit_meta_box()

Function: Displays post submit form fields.

post_tags_meta_box()

Function: Display post tags form fields.

post_thumbnail_meta_box()

Function: Display post thumbnail meta box.

post_trackback_meta_box()

Function: Display trackback links form fields.

post_type_archive_title()

Function: Display or retrieve title for a post type archive.

post_type_exists()

Function: Determines whether a post type is registered.

post_type_supports()

Function: Check a post type’s support for a given feature.

prepend_attachment()

Function: Wrap attachment in paragraph tag before content.

prep_atom_text_construct()

Function: Determine the type of a string of data with the data formatted.

press_it()

Function: Press It form handler.

press_this_media_buttons()

Function:

preview_theme()

Function: Start preview theme output buffer.

preview_theme_ob_filter()

Function: Callback function for ob_start() to capture all links in the theme.

preview_theme_ob_filter_callback()

Function: Manipulates preview theme links in order to control and maintain location.

previous_comments_link()

Function: Displays the link to the previous comments page.

previous_image_link()

Function: Displays previous image link that has the same post parent.

previous_post()

Function: Prints a link to the previous post.

previous_posts()

Function: Displays or retrieves the previous posts page link.

previous_posts_link()

Function: Displays the previous posts page link.

previous_post_link()

Function: Displays the previous post link that is adjacent to the current post.

prev_post_rel_link()

Function: Displays the relational link for the previous post adjacent to the current post.

pre_schema_upgrade()

Function: Runs before the schema is upgraded.

print_admin_styles()

Function: Prints the styles queue in the HTML head on admin pages.

print_column_headers()

Function: Prints column headers for a particular screen.

print_embed_comments_button()

Function: Prints the necessary markup for the embed comments button.

print_embed_scripts()

Function: Prints the JavaScript in the embed iframe header.

print_embed_sharing_button()

Function: Prints the necessary markup for the embed sharing button.

print_embed_sharing_dialog()

Function: Prints the necessary markup for the embed sharing dialog.

print_embed_styles()

Function: Prints the CSS in the embed iframe header.

print_emoji_detection_script()

Function: Print the inline Emoji detection script if it is not already printed.

print_emoji_styles()

Function: Print the important emoji-related styles.

print_footer_scripts()

Function: Prints the scripts that were queued for the footer or too late for the HTML head.

print_head_scripts()

Function: Prints the script queue in the HTML head on admin pages.

print_late_styles()

Function: Prints the styles that were queued too late for the HTML head.

privacy_ping_filter()

Function: Check whether blog is public before returning sites.

query_posts()

Function: Sets up The Loop with query parameters.

rawurlencode_deep()

Function: Navigates through an array, object, or scalar, and raw-encodes the values to be used in a URL.

readonly()

Function: Outputs the html readonly attribute.

recurse_dirsize()

Function: Get the size of a directory recursively.

redirect_canonical()

Function: Redirects incoming links to the proper URL based on the site url.

redirect_guess_404_permalink()

Function: Attempts to guess the correct URL based on query vars

redirect_post()

Function: Redirect to previous page.

redirect_this_site()

Function: Ensure that the current site’s domain is listed in the allowed redirect host list.

refresh_blog_details()

Function: Clear the blog details cache.

refresh_user_details()

Function: Cleans the user cache for a specific user.

registered_meta_key_exists()

Function: Checks if a meta key is registered.

register_activation_hook()

Function: Set the activation hook for a plugin.

register_admin_color_schemes()

Function: Registers the default admin color schemes.

register_and_do_post_meta_boxes()

Function: Registers the default post meta boxes, and runs the `do_meta_boxes` actions.

register_block_core_archives()

Function: Register archives block.

register_block_core_calendar()

Function: Registers the `core/calendar` block on server.

register_block_core_categories()

Function: Registers the `core/categories` block on server.

register_block_core_latest_posts()

Function: Registers the `core/latest-posts` block on server.

register_block_core_rss()

Function: Registers the `core/rss` block on server.

register_block_core_search()

Function: Registers the `core/search` block on the server.

register_block_core_shortcode()

Function: Registers the `core/shortcode` block on server.

register_block_core_tag_cloud()

Function: Registers the `core/tag-cloud` block on server.

register_block_type()

Function: Registers a block type.

register_column_headers()

Function: Register column headers for a particular screen.

register_deactivation_hook()

Function: Set the deactivation hook for a plugin.

register_default_headers()

Function: Register a selection of default headers to be displayed by the custom header admin UI.

register_importer()

Function: Register importer for WordPress.

register_initial_settings()

Function: Register default settings available in WordPress.

register_meta()

Function: Registers a meta key.

register_nav_menu()

Function: Registers a navigation menu location for a theme.

register_nav_menus()

Function: Registers navigation menu locations for a theme.

register_new_user()

Function: Handles registering a new user.

register_post_meta()

Function: Registers a meta key for posts.

register_post_status()

Function: Register a post status. Do not use before init.

register_post_type()

Function: Registers a post type.

register_rest_field()

Function: Registers a new field on an existing WordPress object type.

register_rest_route()

Function: Registers a REST API route.

register_setting()

Function: Register a setting and its data.

register_sidebar()

Function: Builds the definition for a single sidebar and returns the ID.

register_sidebars()

Function: Creates multiple sidebars.

register_sidebar_widget()

Function: Register widget for sidebar with backward compatibility.

register_taxonomy()

Function: Creates or modifies a taxonomy object.

register_taxonomy_for_object_type()

Function: Add an already registered taxonomy to an object type.

register_term_meta()

Function: Registers a meta key for terms.

register_theme_directory()

Function: Register a directory that contains themes.

register_uninstall_hook()

Function: Set the uninstallation hook for a plugin.

register_widget()

Function: Register a widget

register_widget_control()

Function: Registers widget control callback for customizing options.

rel_canonical()

Function: Outputs rel=canonical for singular queries.

remove_accents()

Function: Converts all accent characters to ASCII characters.

remove_action()

Function: Removes a function from a specified action hook.

remove_all_actions()

Function: Remove all of the hooks from an action.

remove_all_filters()

Function: Remove all of the hooks from a filter.

remove_all_shortcodes()

Function: Clear all shortcodes.

remove_custom_background()

Function: Remove custom background support.

remove_custom_image_header()

Function: Remove image header support.

remove_editor_styles()

Function: Removes all visual editor stylesheets.

remove_filter()

Function: Removes a function from a specified filter hook.

remove_image_size()

Function: Remove a new image size.

remove_menu_page()

Function: Remove a top-level admin menu.

remove_meta_box()

Function: Removes a meta box from one or more screens.

remove_option_update_handler()

Function: Unregister a setting

remove_option_whitelist()

Function: Removes a list of options from the options whitelist.

remove_permastruct()

Function: Removes a permalink structure.

remove_post_type_support()

Function: Remove support for a feature from a post type.

remove_query_arg()

Function: Removes an item or items from a query string.

remove_rewrite_tag()

Function: Removes an existing rewrite tag (like %postname%).

remove_role()

Function: Remove role, if it exists.

remove_shortcode()

Function: Removes hook for shortcode.

remove_submenu_page()

Function: Remove an admin submenu.

remove_theme_mod()

Function: Remove theme modification name from current theme list.

remove_theme_mods()

Function: Remove theme modifications option for current theme.

remove_theme_support()

Function: Allows a theme to de-register its support of a certain feature

remove_user_from_blog()

Function: Remove a user from a blog.

render_block()

Function: Renders a single block into a HTML string.

render_block_core_archives()

Function: Renders the `core/archives` block on server.

render_block_core_block()

Function: Renders the `core/block` block on server.

render_block_core_calendar()

Function: Renders the `core/calendar` block on server.

render_block_core_categories()

Function: Renders the `core/categories` block on server.

render_block_core_latest_comments()

Function: Renders the `core/latest-comments` block on server.

render_block_core_latest_posts()

Function: Renders the `core/latest-posts` block on server.

render_block_core_rss()

Function: Renders the `core/rss` block on server.

render_block_core_search()

Function: Dynamically renders the `core/search` block.

render_block_core_shortcode()

Function: Performs wpautop() on the shortcode block content.

render_block_core_tag_cloud()

Function: Renders the `core/tag-cloud` block on server.

request_filesystem_credentials()

Function: Displays a form to the user to request for their FTP/SSH details in order to connect to the filesystem.

require_if_theme_supports()

Function: Checks a theme’s support for a given feature before loading the functions which implement it.

require_wp_db()

Function: Load the database class file and instantiate the `$wpdb` global.

reset_mbstring_encoding()

Function: Reset the mbstring internal encoding to a users previously set encoding.

reset_password()

Function: Handles resetting the user’s password.

restore_current_blog()

Function: Restore the current blog, after calling switch_to_blog()

restore_current_locale()

Function: Restores the translations according to the original locale.

restore_previous_locale()

Function: Restores the translations according to the previous locale.

rest_api_default_filters()

Function: Registers the default REST API filters.

rest_api_init()

Function: Registers rewrite rules for the API.

rest_api_loaded()

Function: Loads the REST API.

rest_api_register_rewrites()

Function: Adds REST rewrite rules.

rest_authorization_required_code()

Function: Returns a contextual HTTP error code for authorization failure.

rest_cookie_check_errors()

Function: Checks for errors when using cookie-based authentication.

rest_cookie_collect_status()

Function: Collects cookie authentication status.

rest_do_request()

Function: Do a REST request.

rest_ensure_request()

Function: Ensures request arguments are a request object (for consistency).

rest_ensure_response()

Function: Ensures a REST response is a response object (for consistency).

rest_filter_response_fields()

Function: Filter the API response to include only a white-listed set of response object fields.

rest_get_avatar_sizes()

Function: Retrieves the pixel sizes for avatars.

rest_get_avatar_urls()

Function: Retrieves the avatar urls in various sizes based on a given email address.

rest_get_date_with_gmt()

Function: Parses a date into both its local and UTC equivalent, in MySQL datetime format.

rest_get_server()

Function: Retrieves the current REST server instance.

rest_get_url_prefix()

Function: Retrieves the URL prefix for any API resource.

rest_handle_deprecated_argument()

Function: Handles _deprecated_argument() errors.

rest_handle_deprecated_function()

Function: Handles _deprecated_function() errors.

rest_handle_options_request()

Function: Handles OPTIONS requests for the server.

rest_is_boolean()

Function: Determines if a given value is boolean-like.

rest_is_ip_address()

Function: Determines if an IP address is valid.

rest_output_link_header()

Function: Sends a Link header for the REST API.

rest_output_link_wp_head()

Function: Outputs the REST API link tag into page header.

rest_output_rsd()

Function: Adds the REST API URL to the WP RSD endpoint.

rest_parse_date()

Function: Parses an RFC3339 time into a Unix timestamp.

rest_parse_request_arg()

Function: Parse a request argument based on details registered to the route.

rest_preload_api_request()

Function: Append result of internal request to REST API for purpose of preloading data to be attached to a page.

rest_sanitize_boolean()

Function: Changes a boolean-like value into the proper boolean value.

rest_sanitize_request_arg()

Function: Sanitize a request argument based on details registered to the route.

rest_sanitize_value_from_schema()

Function: Sanitize a value based on a schema.

rest_send_allow_header()

Function: Sends the “Allow” header to state all methods that can be sent to the current route.

rest_send_cors_headers()

Function: Sends Cross-Origin Resource Sharing headers with API requests.

rest_url()

Function: Retrieves the URL to a REST endpoint.

rest_validate_request_arg()

Function: Validate a request argument based on details registered to the route.

rest_validate_value_from_schema()

Function: Validate a value based on a schema.

resume_plugin()

Function: Tries to resume a single plugin.

resume_theme()

Function: Tries to resume a single theme.

retrieve_password()

Function: Handles sending password retrieval email to user.

retrieve_widgets()

Function: Look for “lost” widgets, this has to run at least on each theme change.

revoke_super_admin()

Function: Revokes Super Admin privileges.

rewind_posts()

Function: Rewind the loop posts.

rich_edit_exists()

Function: Determine if TinyMCE is available.

rsd_link()

Function: Display the link to the Really Simple Discovery service endpoint.

rss2_site_icon()

Function: Displays Site Icon in RSS2.

rss_enclosure()

Function: Display the rss enclosure for the current post.

safecss_filter_attr()

Function: Filters an inline style attribute and removes disallowed rules.

sanitize_bookmark()

Function: Sanitizes all bookmark fields

sanitize_bookmark_field()

Function: Sanitizes a bookmark field.

sanitize_category()

Function: Sanitizes category data based on context.

sanitize_category_field()

Function: Sanitizes data in single category key field.

sanitize_comment_cookies()

Function: Sanitizes the cookies sent to the user already.

sanitize_email()

Function: Strips out all characters that are not allowable in an email.

sanitize_file_name()

Function: Sanitizes a filename, replacing whitespace with dashes.

sanitize_hex_color()

Function: Sanitizes a hex color.

sanitize_hex_color_no_hash()

Function: Sanitizes a hex color without a hash. Use sanitize_hex_color() when possible.

sanitize_html_class()

Function: Sanitizes an HTML classname to ensure it only contains valid characters.

sanitize_key()

Function: Sanitizes a string key.

sanitize_meta()

Function: Sanitize meta value.

sanitize_mime_type()

Function: Sanitize a mime type

sanitize_option()

Function: Sanitises various option values based on the nature of the option.

sanitize_post()

Function: Sanitize every post field.

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