Title: Functions | Page 48 of 49 | Developer.WordPress.org --- # Functions * function[refresh_blog_details()](https://developer.wordpress.org/reference/functions/refresh_blog_details/) * Clears the blog details cache. * Used by [0 functions](https://developer.wordpress.org/reference/functions/refresh_blog_details/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/refresh_blog_details/#uses) | Source: [wp-includes/ms-blogs.php:287](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/ms-blogs.php#L287-L294) * function[refresh_user_details()](https://developer.wordpress.org/reference/functions/refresh_user_details/) * Cleans the user cache for a specific user. * Used by [0 functions](https://developer.wordpress.org/reference/functions/refresh_user_details/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/refresh_user_details/#uses) | Source: [wp-admin/includes/ms.php:330](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/ms.php#L330-L341) * function[registered_meta_key_exists()](https://developer.wordpress.org/reference/functions/registered_meta_key_exists/) * Checks if a meta key is registered. * Used by [2 functions](https://developer.wordpress.org/reference/functions/registered_meta_key_exists/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/registered_meta_key_exists/#uses) | Source: [wp-includes/meta.php:1641](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/meta.php#L1641-L1645) * function[register_activation_hook()](https://developer.wordpress.org/reference/functions/register_activation_hook/) * Set the activation hook for a plugin. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_activation_hook/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/register_activation_hook/#uses) | Source: [wp-includes/plugin.php:879](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L879-L882) * function[register_admin_color_schemes()](https://developer.wordpress.org/reference/functions/register_admin_color_schemes/) * Registers the default admin color schemes. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_admin_color_schemes/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/register_admin_color_schemes/#uses) | Source: [wp-includes/general-template.php:4912](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/general-template.php#L4912-L5023) * function[register_and_do_post_meta_boxes()](https://developer.wordpress.org/reference/functions/register_and_do_post_meta_boxes/) * Registers the default post meta boxes, and runs the `do_meta_boxes` actions. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_and_do_post_meta_boxes/#used-by) | Uses [26 functions](https://developer.wordpress.org/reference/functions/register_and_do_post_meta_boxes/#uses) | Source: [wp-admin/includes/meta-boxes.php:1531](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L1531-L1733) * function[register_block_bindings_source()](https://developer.wordpress.org/reference/functions/register_block_bindings_source/) * Registers a new block bindings source. * Used by [4 functions](https://developer.wordpress.org/reference/functions/register_block_bindings_source/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/register_block_bindings_source/#uses) | Source: [wp-includes/block-bindings.php:94](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/block-bindings.php#L94-L96) * function[register_block_pattern()](https://developer.wordpress.org/reference/functions/register_block_pattern/) * Registers a new block pattern. * Used by [5 functions](https://developer.wordpress.org/reference/functions/register_block_pattern/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/register_block_pattern/#uses) | Source: [wp-includes/block-patterns.php:21](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/block-patterns.php#L21-L23) * function[register_block_pattern_category()](https://developer.wordpress.org/reference/functions/register_block_pattern_category/) * Registers a new pattern category. * Used by [1 function](https://developer.wordpress.org/reference/functions/register_block_pattern_category/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/register_block_pattern_category/#uses) | Source: [wp-includes/block-patterns.php:48](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/block-patterns.php#L48-L50) * function[register_block_script_handle()](https://developer.wordpress.org/reference/functions/register_block_script_handle/) * Finds a script handle for the selected block metadata field. It detects when a path to file was provided and optionally finds a corresponding asset file with details necessary to register the script under automatically generated handle name. It returns unprocessed script handle otherwise. * Used by [1 function](https://developer.wordpress.org/reference/functions/register_block_script_handle/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/functions/register_block_script_handle/#uses) | Source: [wp-includes/blocks.php:225](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/blocks.php#L225-L283) * function[register_block_script_module_id()](https://developer.wordpress.org/reference/functions/register_block_script_module_id/) * Finds a script module ID for the selected block metadata field. It detects when a path to file was provided and optionally finds a corresponding asset file with details necessary to register the script module under with an automatically generated module ID. It returns unprocessed script module ID otherwise. * Used by [1 function](https://developer.wordpress.org/reference/functions/register_block_script_module_id/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/register_block_script_module_id/#uses) | Source: [wp-includes/blocks.php:145](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/blocks.php#L145-L206) * function[register_block_style()](https://developer.wordpress.org/reference/functions/register_block_style/) * Registers a new block style. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_block_style/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/register_block_style/#uses) | Source: [wp-includes/blocks.php:2584](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/blocks.php#L2584-L2586) * function[register_block_style_handle()](https://developer.wordpress.org/reference/functions/register_block_style_handle/) * Finds a style handle for the block metadata field. It detects when a path to file was provided and registers the style under automatically generated handle name. It returns unprocessed style handle otherwise. * Used by [1 function](https://developer.wordpress.org/reference/functions/register_block_style_handle/#used-by) | Uses [9 functions](https://developer.wordpress.org/reference/functions/register_block_style_handle/#uses) | Source: [wp-includes/blocks.php:300](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/blocks.php#L300-L379) * function[register_block_template()](https://developer.wordpress.org/reference/functions/register_block_template/) * Register a block template. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_block_template/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/register_block_template/#uses) | Source: [wp-includes/block-template.php:506](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/block-template.php#L506-L508) * function[register_block_type()](https://developer.wordpress.org/reference/functions/register_block_type/) * Registers a block type. The recommended way is to register a block type using the metadata stored in the `block.json` file. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_block_type/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/register_block_type/#uses) | Source: [wp-includes/blocks.php:782](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/blocks.php#L782-L788) * function[register_block_type_from_metadata()](https://developer.wordpress.org/reference/functions/register_block_type_from_metadata/) * Registers a block type from the metadata stored in the `block.json` file. * Used by [2 functions](https://developer.wordpress.org/reference/functions/register_block_type_from_metadata/#used-by) | Uses [16 functions](https://developer.wordpress.org/reference/functions/register_block_type_from_metadata/#uses) | Source: [wp-includes/blocks.php:460](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/blocks.php#L460-L762) * function[register_column_headers()](https://developer.wordpress.org/reference/functions/register_column_headers/) * Register column headers for a particular screen. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_column_headers/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/register_column_headers/#uses) | Source: [wp-admin/includes/list-table.php:92](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/list-table.php#L92-L94) * function[register_deactivation_hook()](https://developer.wordpress.org/reference/functions/register_deactivation_hook/) * Sets the deactivation hook for a plugin. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_deactivation_hook/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/register_deactivation_hook/#uses) | Source: [wp-includes/plugin.php:902](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L902-L905) * function[register_default_headers()](https://developer.wordpress.org/reference/functions/register_default_headers/) * Registers a selection of default headers to be displayed by the custom header admin UI. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_default_headers/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/register_default_headers/#uses) | Source: [wp-includes/theme.php:1605](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/theme.php#L1605-L1609) * function[register_importer()](https://developer.wordpress.org/reference/functions/register_importer/) * Registers importer for WordPress. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_importer/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/register_importer/#uses) | Source: [wp-admin/includes/import.php:54](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/import.php#L54-L60) * function[register_initial_settings()](https://developer.wordpress.org/reference/functions/register_initial_settings/) * Registers default settings available in WordPress. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_initial_settings/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/register_initial_settings/#uses) | Source: [wp-includes/option.php:2741](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/option.php#L2741-L2960) * function[register_meta()](https://developer.wordpress.org/reference/functions/register_meta/) * Registers a meta key. * Used by [4 functions](https://developer.wordpress.org/reference/functions/register_meta/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/register_meta/#uses) | Source: [wp-includes/meta.php:1435](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/meta.php#L1435-L1565) * function[register_nav_menu()](https://developer.wordpress.org/reference/functions/register_nav_menu/) * Registers a navigation menu location for a theme. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_nav_menu/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/register_nav_menu/#uses) | Source: [wp-includes/nav-menu.php:136](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/nav-menu.php#L136-L138) * function[register_nav_menus()](https://developer.wordpress.org/reference/functions/register_nav_menus/) * Registers navigation menu locations for a theme. * Used by [1 function](https://developer.wordpress.org/reference/functions/register_nav_menus/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/register_nav_menus/#uses) | Source: [wp-includes/nav-menu.php:90](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/nav-menu.php#L90-L103) * function[register_new_user()](https://developer.wordpress.org/reference/functions/register_new_user/) * Handles registering a new user. * Used by [0 functions](https://developer.wordpress.org/reference/functions/register_new_user/#used-by) | Uses [17 functions](https://developer.wordpress.org/reference/functions/register_new_user/#uses) | Source: [wp-includes/user.php:3530](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L3530-L3644) * function[register_post_meta()](https://developer.wordpress.org/reference/functions/register_post_meta/) * Registers a meta key for posts. * Used by [1 function](https://developer.wordpress.org/reference/functions/register_post_meta/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/register_post_meta/#uses) | Source: [wp-includes/post.php:2769](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post.php#L2769-L2773) * function[register_post_status()](https://developer.wordpress.org/reference/functions/register_post_status/) * Registers a post status. Do not use before init. * Used by [1 function](https://developer.wordpress.org/reference/functions/register_post_status/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/register_post_status/#uses) | Source: [wp-includes/post.php:1419](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post.php#L1419-L1500) * function[register_post_type()](https://developer.wordpress.org/reference/functions/register_post_type/) * Registers a post type. * Used by [1 function](https://developer.wordpress.org/reference/functions/register_post_type/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/register_post_type/#uses) | Source: [wp-includes/post.php:1818](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post.php#L1818-L1872) * function[register_rest_field()](https://developer.wordpress.org/reference/functions/register_rest_field/) * Registers a new field on an existing WordPress object type. * Used by [1 function](https://developer.wordpress.org/reference/functions/register_rest_field/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/register_rest_field/#uses) | Source: [wp-includes/rest-api.php:182](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/rest-api.php#L182-L198) * function[register_rest_route()](https://developer.wordpress.org/reference/functions/register_rest_route/) * Registers a REST API route. * Used by [42 functions](https://developer.wordpress.org/reference/functions/register_rest_route/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/register_rest_route/#uses) | Source: [wp-includes/rest-api.php:34](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/rest-api.php#L34-L156) [Previous Page](https://developer.wordpress.org/reference/functions/page/47/?output_format=md) [1](https://developer.wordpress.org/reference/functions/?output_format=md) … [46](https://developer.wordpress.org/reference/functions/page/46/?output_format=md) [47](https://developer.wordpress.org/reference/functions/page/47/?output_format=md) 48 [49](https://developer.wordpress.org/reference/functions/page/49/?output_format=md) [Next Page](https://developer.wordpress.org/reference/functions/page/49/?output_format=md)