Title: Functions | Page 8 of 49 | Developer.WordPress.org --- # Functions * function[count_users()](https://developer.wordpress.org/reference/functions/count_users/) * Counts number of users who have each of the user roles. * Used by [1 function](https://developer.wordpress.org/reference/functions/count_users/#used-by) | Uses [13 functions](https://developer.wordpress.org/reference/functions/count_users/#uses) | Source: [wp-includes/user.php:1337](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L1337-L1447) * function[count_user_posts()](https://developer.wordpress.org/reference/functions/count_user_posts/) * Gets the number of posts a user has written. * Used by [3 functions](https://developer.wordpress.org/reference/functions/count_user_posts/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/count_user_posts/#uses) | Source: [wp-includes/user.php:616](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L616-L646) * function[create_empty_blog()](https://developer.wordpress.org/reference/functions/create_empty_blog/) * Create an empty blog. * Used by [0 functions](https://developer.wordpress.org/reference/functions/create_empty_blog/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/functions/create_empty_blog/#uses) | Source: [wp-includes/ms-deprecated.php:398](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/ms-deprecated.php#L398-L422) * function[create_initial_post_types()](https://developer.wordpress.org/reference/functions/create_initial_post_types/) * Creates the initial post types when ‘init’ action is fired. * Used by [0 functions](https://developer.wordpress.org/reference/functions/create_initial_post_types/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/create_initial_post_types/#uses) | Source: [wp-includes/post.php:20](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post.php#L20-L826) * function[create_initial_rest_routes()](https://developer.wordpress.org/reference/functions/create_initial_rest_routes/) * Registers default REST API routes. * Used by [0 functions](https://developer.wordpress.org/reference/functions/create_initial_rest_routes/#used-by) | Uses [33 functions](https://developer.wordpress.org/reference/functions/create_initial_rest_routes/#uses) | Source: [wp-includes/rest-api.php:265](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/rest-api.php#L265-L431) * function[create_initial_taxonomies()](https://developer.wordpress.org/reference/functions/create_initial_taxonomies/) * Creates the initial taxonomies. * Used by [0 functions](https://developer.wordpress.org/reference/functions/create_initial_taxonomies/#used-by) | Uses [9 functions](https://developer.wordpress.org/reference/functions/create_initial_taxonomies/#uses) | Source: [wp-includes/taxonomy.php:25](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/taxonomy.php#L25-L264) * function[create_initial_theme_features()](https://developer.wordpress.org/reference/functions/create_initial_theme_features/) * Creates the initial theme features when the ‘setup_theme’ action is fired. * Used by [0 functions](https://developer.wordpress.org/reference/functions/create_initial_theme_features/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/create_initial_theme_features/#uses) | Source: [wp-includes/theme.php:3935](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/theme.php#L3935-L4343) * function[create_user()](https://developer.wordpress.org/reference/functions/create_user/) * An alias of wp_create_user(). * Used by [0 functions](https://developer.wordpress.org/reference/functions/create_user/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/create_user/#uses) | Source: [wp-includes/deprecated.php:1217](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L1217-L1220) * function[current_action()](https://developer.wordpress.org/reference/functions/current_action/) * Retrieves the name of the current action hook. * Used by [4 functions](https://developer.wordpress.org/reference/functions/current_action/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/current_action/#uses) | Source: [wp-includes/plugin.php:647](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L647-L649) * function[current_datetime()](https://developer.wordpress.org/reference/functions/current_datetime/) * Retrieves the current time as an object using the site’s timezone. * Used by [1 function](https://developer.wordpress.org/reference/functions/current_datetime/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/current_datetime/#uses) | Source: [wp-includes/functions.php:101](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L101-L103) * function[current_filter()](https://developer.wordpress.org/reference/functions/current_filter/) * Retrieves the name of the current filter hook. * Used by [15 functions](https://developer.wordpress.org/reference/functions/current_filter/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/current_filter/#uses) | Source: [wp-includes/plugin.php:369](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L369-L373) * function[current_theme_info()](https://developer.wordpress.org/reference/functions/current_theme_info/) * Retrieves information on the current active theme. * Used by [0 functions](https://developer.wordpress.org/reference/functions/current_theme_info/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/current_theme_info/#uses) | Source: [wp-admin/includes/deprecated.php:1062](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/deprecated.php#L1062-L1066) * function[current_theme_supports()](https://developer.wordpress.org/reference/functions/current_theme_supports/) * Checks a theme’s support for a given feature. * Used by [83 functions](https://developer.wordpress.org/reference/functions/current_theme_supports/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/current_theme_supports/#uses) | Source: [wp-includes/theme.php:3158](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/theme.php#L3158-L3219) * function[current_time()](https://developer.wordpress.org/reference/functions/current_time/) * Retrieves the current time based on specified type. * Used by [36 functions](https://developer.wordpress.org/reference/functions/current_time/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/current_time/#uses) | Source: [wp-includes/functions.php:78](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L78-L92) * function[current_user_can()](https://developer.wordpress.org/reference/functions/current_user_can/) * Returns whether the current user has the specified capability. * Used by [505 functions](https://developer.wordpress.org/reference/functions/current_user_can/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/current_user_can/#uses) | Source: [wp-includes/capabilities.php:913](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/capabilities.php#L913-L915) * function[current_user_can_for_blog()](https://developer.wordpress.org/reference/functions/current_user_can_for_blog/) * Returns whether the current user has the specified capability for a given site. * Used by [0 functions](https://developer.wordpress.org/reference/functions/current_user_can_for_blog/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/current_user_can_for_blog/#uses) | Source: [wp-includes/deprecated.php:6419](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L6419-L6421) * function[current_user_can_for_site()](https://developer.wordpress.org/reference/functions/current_user_can_for_site/) * Returns whether the current user has the specified capability for a given site. * Used by [1 function](https://developer.wordpress.org/reference/functions/current_user_can_for_site/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/current_user_can_for_site/#uses) | Source: [wp-includes/capabilities.php:939](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/capabilities.php#L939-L949) * function[customize_themes_print_templates()](https://developer.wordpress.org/reference/functions/customize_themes_print_templates/) * Prints JS templates for the theme-browsing UI in the Customizer. * Used by [0 functions](https://developer.wordpress.org/reference/functions/customize_themes_print_templates/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/customize_themes_print_templates/#uses) | Source: [wp-admin/includes/theme.php:822](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/theme.php#L822-L1096) * function[dashboard_browser_nag_class()](https://developer.wordpress.org/reference/functions/dashboard_browser_nag_class/) * Adds an additional class to the browser nag if the current version is insecure. * Used by [0 functions](https://developer.wordpress.org/reference/functions/dashboard_browser_nag_class/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/dashboard_browser_nag_class/#uses) | Source: [wp-admin/includes/dashboard.php:1802](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/dashboard.php#L1802-L1810) * function[dashboard_php_nag_class()](https://developer.wordpress.org/reference/functions/dashboard_php_nag_class/) * Adds an additional class to the PHP nag if the current version is insecure. * Used by [0 functions](https://developer.wordpress.org/reference/functions/dashboard_php_nag_class/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/dashboard_php_nag_class/#uses) | Source: [wp-admin/includes/dashboard.php:1952](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/dashboard.php#L1952-L1966) * function[date_i18n()](https://developer.wordpress.org/reference/functions/date_i18n/) * Retrieves the date in localized format, based on a sum of Unix timestamp and timezone offset in seconds. * Used by [19 functions](https://developer.wordpress.org/reference/functions/date_i18n/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/date_i18n/#uses) | Source: [wp-includes/functions.php:179](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L179-L223) * function[dbDelta()](https://developer.wordpress.org/reference/functions/dbdelta/) * Modifies the database based on specified SQL statements. * Used by [3 functions](https://developer.wordpress.org/reference/functions/dbdelta/#used-by) | Uses [9 functions](https://developer.wordpress.org/reference/functions/dbdelta/#uses) | Source: [wp-admin/includes/upgrade.php:2936](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/upgrade.php#L2936-L3358) * function[deactivated_plugins_notice()](https://developer.wordpress.org/reference/functions/deactivated_plugins_notice/) * Renders an admin notice when a plugin was deactivated during an update. * Used by [0 functions](https://developer.wordpress.org/reference/functions/deactivated_plugins_notice/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/deactivated_plugins_notice/#uses) | Source: [wp-admin/includes/plugin.php:2593](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/plugin.php#L2593-L2665) * function[deactivate_plugins()](https://developer.wordpress.org/reference/functions/deactivate_plugins/) * Deactivates a single plugin or multiple plugins. * Used by [3 functions](https://developer.wordpress.org/reference/functions/deactivate_plugins/#used-by) | Uses [11 functions](https://developer.wordpress.org/reference/functions/deactivate_plugins/#uses) | Source: [wp-admin/includes/plugin.php:758](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/plugin.php#L758-L850) * function[deactivate_sitewide_plugin()](https://developer.wordpress.org/reference/functions/deactivate_sitewide_plugin/) * Deprecated functionality for deactivating a network-only plugin. * Used by [0 functions](https://developer.wordpress.org/reference/functions/deactivate_sitewide_plugin/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/deactivate_sitewide_plugin/#uses) | Source: [wp-admin/includes/ms-deprecated.php:68](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/ms-deprecated.php#L68-L70) * function[dead_db()](https://developer.wordpress.org/reference/functions/dead_db/) * Loads custom DB error or display WordPress DB error. * Used by [4 functions](https://developer.wordpress.org/reference/functions/dead_db/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/dead_db/#uses) | Source: [wp-includes/functions.php:5515](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L5515-L5533) * function[debug_fclose()](https://developer.wordpress.org/reference/functions/debug_fclose/) * Close the debugging file handle. * Used by [0 functions](https://developer.wordpress.org/reference/functions/debug_fclose/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/debug_fclose/#uses) | Source: [wp-includes/deprecated.php:2896](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L2896-L2898) * function[debug_fopen()](https://developer.wordpress.org/reference/functions/debug_fopen/) * Open the file handle for debugging. * Used by [0 functions](https://developer.wordpress.org/reference/functions/debug_fopen/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/debug_fopen/#uses) | Source: [wp-includes/deprecated.php:2862](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L2862-L2865) * function[debug_fwrite()](https://developer.wordpress.org/reference/functions/debug_fwrite/) * Write contents to the file used for debugging. * Used by [0 functions](https://developer.wordpress.org/reference/functions/debug_fwrite/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/debug_fwrite/#uses) | Source: [wp-includes/deprecated.php:2879](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L2879-L2883) * function[default_password_nag()](https://developer.wordpress.org/reference/functions/default_password_nag/) * Used by [0 functions](https://developer.wordpress.org/reference/functions/default_password_nag/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/default_password_nag/#uses) | Source: [wp-admin/includes/user.php:531](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/user.php#L531-L562) [Previous Page](https://developer.wordpress.org/reference/functions/page/7/?output_format=md) [1](https://developer.wordpress.org/reference/functions/?output_format=md) … [6](https://developer.wordpress.org/reference/functions/page/6/?output_format=md) [7](https://developer.wordpress.org/reference/functions/page/7/?output_format=md) 8 [9](https://developer.wordpress.org/reference/functions/page/9/?output_format=md) [10](https://developer.wordpress.org/reference/functions/page/10/?output_format=md)… [49](https://developer.wordpress.org/reference/functions/page/49/?output_format=md) [Next Page](https://developer.wordpress.org/reference/functions/page/9/?output_format=md)