Title: Functions | Page 10 of 49 | Developer.WordPress.org --- # Functions * function[deslash()](https://developer.wordpress.org/reference/functions/deslash/) * Filters for content to remove unnecessary slashes. * Used by [0 functions](https://developer.wordpress.org/reference/functions/deslash/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/deslash/#uses) | Source: [wp-admin/includes/upgrade.php:2897](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/upgrade.php#L2897-L2916) * function[determine_locale()](https://developer.wordpress.org/reference/functions/determine_locale/) * Determines the current locale desired for the request. * Used by [11 functions](https://developer.wordpress.org/reference/functions/determine_locale/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/functions/determine_locale/#uses) | Source: [wp-includes/l10n.php:124](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/l10n.php#L124-L177) * function[did_action()](https://developer.wordpress.org/reference/functions/did_action/) * Retrieves the number of times an action has been fired during the current request. * Used by [49 functions](https://developer.wordpress.org/reference/functions/did_action/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/did_action/#uses) | Source: [wp-includes/plugin.php:685](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L685-L693) * function[did_filter()](https://developer.wordpress.org/reference/functions/did_filter/) * Retrieves the number of times a filter has been applied during the current request. * Used by [0 functions](https://developer.wordpress.org/reference/functions/did_filter/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/did_filter/#uses) | Source: [wp-includes/plugin.php:416](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L416-L424) * function[disabled()](https://developer.wordpress.org/reference/functions/disabled/) * Outputs the HTML disabled attribute. * Used by [6 functions](https://developer.wordpress.org/reference/functions/disabled/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/disabled/#uses) | Source: [wp-includes/general-template.php:5315](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/general-template.php#L5315-L5317) * function[discover_pingback_server_uri()](https://developer.wordpress.org/reference/functions/discover_pingback_server_uri/) * Finds a pingback server URI based on the given URL. * Used by [1 function](https://developer.wordpress.org/reference/functions/discover_pingback_server_uri/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/functions/discover_pingback_server_uri/#uses) | Source: [wp-includes/comment.php:2924](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment.php#L2924-L3000) * function[dismissed_updates()](https://developer.wordpress.org/reference/functions/dismissed_updates/) * Display dismissed updates. * Used by [1 function](https://developer.wordpress.org/reference/functions/dismissed_updates/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/dismissed_updates/#uses) | Source: [wp-admin/update-core.php:201](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/update-core.php#L201-L238) * function[dismiss_core_update()](https://developer.wordpress.org/reference/functions/dismiss_core_update/) * Dismisses core update. * Used by [1 function](https://developer.wordpress.org/reference/functions/dismiss_core_update/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/dismiss_core_update/#uses) | Source: [wp-admin/includes/update.php:183](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/update.php#L183-L188) * function[display_header()](https://developer.wordpress.org/reference/functions/display_header/) * Display installation header. * Used by [0 functions](https://developer.wordpress.org/reference/functions/display_header/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/display_header/#uses) | Source: [wp-admin/install.php:57](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/install.php#L57-L79) * function[display_header_text()](https://developer.wordpress.org/reference/functions/display_header_text/) * Whether to display the header text. * Used by [2 functions](https://developer.wordpress.org/reference/functions/display_header_text/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/display_header_text/#uses) | Source: [wp-includes/theme.php:1201](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/theme.php#L1201-L1208) * function[display_plugins_table()](https://developer.wordpress.org/reference/functions/display_plugins_table/) * Displays plugin content based on plugin list. * Used by [1 function](https://developer.wordpress.org/reference/functions/display_plugins_table/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/display_plugins_table/#uses) | Source: [wp-admin/includes/plugin-install.php:390](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/plugin-install.php#L390-L418) * function[display_setup_form()](https://developer.wordpress.org/reference/functions/display_setup_form/) * Displays installer setup form. * Used by [0 functions](https://developer.wordpress.org/reference/functions/display_setup_form/#used-by) | Uses [15 functions](https://developer.wordpress.org/reference/functions/display_setup_form/#uses) | Source: [wp-admin/install.php:90](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/install.php#L90-L213) * function[display_space_usage()](https://developer.wordpress.org/reference/functions/display_space_usage/) * Displays the amount of disk space used by the current site. Not used in core. * Used by [0 functions](https://developer.wordpress.org/reference/functions/display_space_usage/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/display_space_usage/#uses) | Source: [wp-admin/includes/ms.php:255](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/ms.php#L255-L270) * function[display_theme()](https://developer.wordpress.org/reference/functions/display_theme/) * Prints a theme on the Install Themes pages. * Used by [0 functions](https://developer.wordpress.org/reference/functions/display_theme/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/display_theme/#uses) | Source: [wp-admin/includes/theme-install.php:221](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/theme-install.php#L221-L229) * function[display_themes()](https://developer.wordpress.org/reference/functions/display_themes/) * Displays theme content based on theme list. * Used by [0 functions](https://developer.wordpress.org/reference/functions/display_themes/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/display_themes/#uses) | Source: [wp-admin/includes/theme-install.php:238](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/theme-install.php#L238-L246) * function[documentation_link()](https://developer.wordpress.org/reference/functions/documentation_link/) * Unused Admin function. * Used by [0 functions](https://developer.wordpress.org/reference/functions/documentation_link/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/documentation_link/#uses) | Source: [wp-admin/includes/deprecated.php:33](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/deprecated.php#L33-L35) * function[doing_action()](https://developer.wordpress.org/reference/functions/doing_action/) * Returns whether or not an action hook is currently being processed. * Used by [12 functions](https://developer.wordpress.org/reference/functions/doing_action/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/doing_action/#uses) | Source: [wp-includes/plugin.php:671](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L671-L673) * function[doing_filter()](https://developer.wordpress.org/reference/functions/doing_filter/) * Returns whether or not a filter hook is currently being processed. * Used by [5 functions](https://developer.wordpress.org/reference/functions/doing_filter/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/doing_filter/#uses) | Source: [wp-includes/plugin.php:396](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L396-L404) * function[domain_exists()](https://developer.wordpress.org/reference/functions/domain_exists/) * Checks whether a site name is already taken. * Used by [4 functions](https://developer.wordpress.org/reference/functions/domain_exists/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/domain_exists/#uses) | Source: [wp-includes/ms-functions.php:1591](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/ms-functions.php#L1591-L1618) * function[download_url()](https://developer.wordpress.org/reference/functions/download_url/) * Downloads a URL to a local temporary file using the WordPress HTTP API. * Used by [2 functions](https://developer.wordpress.org/reference/functions/download_url/#used-by) | Uses [15 functions](https://developer.wordpress.org/reference/functions/download_url/#uses) | Source: [wp-admin/includes/file.php:1149](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/file.php#L1149-L1349) * function[do_accordion_sections()](https://developer.wordpress.org/reference/functions/do_accordion_sections/) * Meta Box Accordion Template Function. * Used by [0 functions](https://developer.wordpress.org/reference/functions/do_accordion_sections/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/functions/do_accordion_sections/#uses) | Source: [wp-admin/includes/template.php:1539](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/template.php#L1539-L1604) * function[do_action()](https://developer.wordpress.org/reference/functions/do_action/) * Calls the callback functions that have been added to an action hook. * Used by [428 functions](https://developer.wordpress.org/reference/functions/do_action/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/do_action/#uses) | Source: [wp-includes/plugin.php:487](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L487-L525) * function[do_action_deprecated()](https://developer.wordpress.org/reference/functions/do_action_deprecated/) * Fires functions attached to a deprecated action hook. * Used by [10 functions](https://developer.wordpress.org/reference/functions/do_action_deprecated/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/do_action_deprecated/#uses) | Source: [wp-includes/plugin.php:749](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L749-L757) * function[do_action_ref_array()](https://developer.wordpress.org/reference/functions/do_action_ref_array/) * Calls the callback functions that have been added to an action hook, specifying arguments in an array. * Used by [32 functions](https://developer.wordpress.org/reference/functions/do_action_ref_array/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/do_action_ref_array/#uses) | Source: [wp-includes/plugin.php:542](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L542-L573) * function[do_activate_header()](https://developer.wordpress.org/reference/functions/do_activate_header/) * Adds an action hook specific to this page. * Used by [0 functions](https://developer.wordpress.org/reference/functions/do_activate_header/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/do_activate_header/#uses) | Source: [wp-activate.php:84](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-activate.php#L84-L93) * function[do_all_enclosures()](https://developer.wordpress.org/reference/functions/do_all_enclosures/) * Performs all enclosures. * Used by [0 functions](https://developer.wordpress.org/reference/functions/do_all_enclosures/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/do_all_enclosures/#uses) | Source: [wp-includes/comment.php:3044](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment.php#L3044-L3059) * function[do_all_pingbacks()](https://developer.wordpress.org/reference/functions/do_all_pingbacks/) * Performs all pingbacks. * Used by [0 functions](https://developer.wordpress.org/reference/functions/do_all_pingbacks/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/do_all_pingbacks/#uses) | Source: [wp-includes/comment.php:3022](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment.php#L3022-L3037) * function[do_all_pings()](https://developer.wordpress.org/reference/functions/do_all_pings/) * Performs all pingbacks, enclosures, trackbacks, and sends to pingback services. * Used by [0 functions](https://developer.wordpress.org/reference/functions/do_all_pings/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/do_all_pings/#uses) | Source: [wp-includes/comment.php:3008](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment.php#L3008-L3015) * function[do_all_trackbacks()](https://developer.wordpress.org/reference/functions/do_all_trackbacks/) * Performs all trackbacks. * Used by [0 functions](https://developer.wordpress.org/reference/functions/do_all_trackbacks/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/do_all_trackbacks/#uses) | Source: [wp-includes/comment.php:3066](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment.php#L3066-L3081) * function[do_blocks()](https://developer.wordpress.org/reference/functions/do_blocks/) * Parses dynamic blocks out of `post_content` and re-renders them. * Used by [2 functions](https://developer.wordpress.org/reference/functions/do_blocks/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/functions/do_blocks/#uses) | Source: [wp-includes/blocks.php:2496](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/blocks.php#L2496-L2533) [Previous Page](https://developer.wordpress.org/reference/functions/page/9/?output_format=md) [1](https://developer.wordpress.org/reference/functions/?output_format=md) … 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