Title: WordPress | Page 17 of 49 | Developer.WordPress.org --- # @package: WordPress * function[wp_is_heic_image_mime_type()](https://developer.wordpress.org/reference/functions/wp_is_heic_image_mime_type/) * Checks if a mime type is for a HEIC/HEIF image. * Used by [3 functions](https://developer.wordpress.org/reference/functions/wp_is_heic_image_mime_type/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/wp_is_heic_image_mime_type/#uses) | Source: [wp-includes/functions.php:9211](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L9211-L9220) * function[wp_get_wp_version()](https://developer.wordpress.org/reference/functions/wp_get_wp_version/) * Returns the current WordPress version. * Used by [31 functions](https://developer.wordpress.org/reference/functions/wp_get_wp_version/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/wp_get_wp_version/#uses) | Source: [wp-includes/functions.php:8985](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L8985-L8993) * function[wp_create_block_style_variation_instance_name()](https://developer.wordpress.org/reference/functions/wp_create_block_style_variation_instance_name/) * Generate block style variation instance name. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_create_block_style_variation_instance_name/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_create_block_style_variation_instance_name/#uses) | Source: [wp-includes/deprecated.php:6400](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L6400-L6403) * function[user_can_for_site()](https://developer.wordpress.org/reference/functions/user_can_for_site/) * Returns whether a particular user has the specified capability for a given site. * Used by [0 functions](https://developer.wordpress.org/reference/functions/user_can_for_site/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/user_can_for_site/#uses) | Source: [wp-includes/capabilities.php:1045](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/capabilities.php#L1045-L1070) * 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[wp_check_comment_data()](https://developer.wordpress.org/reference/functions/wp_check_comment_data/) * Checks whether comment data passes internal checks or has disallowed content. * Used by [2 functions](https://developer.wordpress.org/reference/functions/wp_check_comment_data/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/wp_check_comment_data/#uses) | Source: [wp-includes/comment.php:1294](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment.php#L1294-L1350) * class[WP_Exception](https://developer.wordpress.org/reference/classes/wp_exception/) * Core base Exception class. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_exception/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_exception/#uses) | Source: [wp-includes/class-wp-exception.php:16](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-exception.php#L16-L16) * hook[block_bindings_source_value](https://developer.wordpress.org/reference/hooks/block_bindings_source_value/) * Filters the output of a block bindings source. * Used by [1 function](https://developer.wordpress.org/reference/hooks/block_bindings_source_value/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/block_bindings_source_value/#uses) | Source: [wp-includes/class-wp-block-bindings-source.php:98](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-block-bindings-source.php#L98-L98) * method[WP_Font_Face_Resolver::get_fonts_from_style_variations()](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/get_fonts_from_style_variations/) * Gets fonts defined in style variations. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/get_fonts_from_style_variations/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/get_fonts_from_style_variations/#uses) | Source: [wp-includes/fonts/class-wp-font-face-resolver.php:46](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-face-resolver.php#L46-L69) * function[unregister_block_template()](https://developer.wordpress.org/reference/functions/unregister_block_template/) * Unregister a block template. * Used by [0 functions](https://developer.wordpress.org/reference/functions/unregister_block_template/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/unregister_block_template/#uses) | Source: [wp-includes/block-template.php:519](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/block-template.php#L519-L521) * 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) * method[WP_Script_Modules::print_a11y_script_module_html()](https://developer.wordpress.org/reference/classes/wp_script_modules/print_a11y_script_module_html/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_script_modules/print_a11y_script_module_html/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_script_modules/print_a11y_script_module_html/#uses) | Source: [wp-includes/class-wp-script-modules.php:1132](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-script-modules.php#L1132-L1141) * hook[script_module_data_{$module_id}](https://developer.wordpress.org/reference/hooks/script_module_data_module_id/) * Filters data associated with a given Script Module. * Used by [1 function](https://developer.wordpress.org/reference/hooks/script_module_data_module_id/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/script_module_data_module_id/#uses) | Source: [wp-includes/class-wp-script-modules.php:1079](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-script-modules.php#L1079-L1079) * method[WP_Script_Modules::print_script_module_data()](https://developer.wordpress.org/reference/classes/wp_script_modules/print_script_module_data/) * Print data associated with Script Modules. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_script_modules/print_script_module_data/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/classes/wp_script_modules/print_script_module_data/#uses) | Source: [wp-includes/class-wp-script-modules.php:1016](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-script-modules.php#L1016-L1125) * hook[feed_links_extra_args](https://developer.wordpress.org/reference/hooks/feed_links_extra_args/) * Filters the extra feed links arguments. * Used by [1 function](https://developer.wordpress.org/reference/hooks/feed_links_extra_args/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/feed_links_extra_args/#uses) | Source: [wp-includes/general-template.php:3344](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/general-template.php#L3344-L3344) * hook[feed_links_args](https://developer.wordpress.org/reference/hooks/feed_links_args/) * Filters the feed links arguments. * Used by [1 function](https://developer.wordpress.org/reference/hooks/feed_links_args/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/feed_links_args/#uses) | Source: [wp-includes/general-template.php:3273](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/general-template.php#L3273-L3273) * function[_wp_render_title_tag()](https://developer.wordpress.org/reference/functions/_wp_render_title_tag/) * Displays title tag with content. * Used by [0 functions](https://developer.wordpress.org/reference/functions/_wp_render_title_tag/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/_wp_render_title_tag/#uses) | Source: [wp-includes/general-template.php:1310](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/general-template.php#L1310-L1316) * method[WP_REST_Server::get_target_hints_for_link()](https://developer.wordpress.org/reference/classes/wp_rest_server/get_target_hints_for_link/) * Gets the target hints for a REST API Link. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_rest_server/get_target_hints_for_link/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/classes/wp_rest_server/get_target_hints_for_link/#uses) | Source: [wp-includes/rest-api/class-wp-rest-server.php:660](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/rest-api/class-wp-rest-server.php#L660-L700) * function[extract_serialized_parent_block()](https://developer.wordpress.org/reference/functions/extract_serialized_parent_block/) * Accepts the serialized markup of a block and its inner blocks, and returns serialized markup of the wrapper block. * Used by [2 functions](https://developer.wordpress.org/reference/functions/extract_serialized_parent_block/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/extract_serialized_parent_block/#uses) | Source: [wp-includes/blocks.php:1352](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/blocks.php#L1352-L1356) * function[wp_register_block_metadata_collection()](https://developer.wordpress.org/reference/functions/wp_register_block_metadata_collection/) * Registers a block metadata collection. * Used by [1 function](https://developer.wordpress.org/reference/functions/wp_register_block_metadata_collection/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_register_block_metadata_collection/#uses) | Source: [wp-includes/blocks.php:436](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/blocks.php#L436-L438) * function[wp_default_script_modules()](https://developer.wordpress.org/reference/functions/wp_default_script_modules/) * Registers all the default WordPress Script Modules. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_default_script_modules/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/wp_default_script_modules/#uses) | Source: [wp-includes/script-modules.php:167](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/script-modules.php#L167-L222) * method[WP_HTML_Unsupported_Exception::__construct()](https://developer.wordpress.org/reference/classes/wp_html_unsupported_exception/__construct/) * Constructor function. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_html_unsupported_exception/__construct/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_html_unsupported_exception/__construct/#uses) | Source: [wp-includes/html-api/class-wp-html-unsupported-exception.php:105](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/html-api/class-wp-html-unsupported-exception.php#L105-L114) * method[WP_HTML_Active_Formatting_Elements::clear_up_to_last_marker()](https://developer.wordpress.org/reference/classes/wp_html_active_formatting_elements/clear_up_to_last_marker/) * Clears the list of active formatting elements up to the last marker. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_html_active_formatting_elements/clear_up_to_last_marker/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_html_active_formatting_elements/clear_up_to_last_marker/#uses) | Source: [wp-includes/html-api/class-wp-html-active-formatting-elements.php:221](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/html-api/class-wp-html-active-formatting-elements.php#L221-L228) * method[WP_HTML_Active_Formatting_Elements::insert_marker()](https://developer.wordpress.org/reference/classes/wp_html_active_formatting_elements/insert_marker/) * Inserts a “marker” at the end of the list of active formatting elements. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_html_active_formatting_elements/insert_marker/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_html_active_formatting_elements/insert_marker/#uses) | Source: [wp-includes/html-api/class-wp-html-active-formatting-elements.php:101](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/html-api/class-wp-html-active-formatting-elements.php#L101-L103) * method[WP_Dependencies::get_etag()](https://developer.wordpress.org/reference/classes/wp_dependencies/get_etag/) * Get etag header for cache validation. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_dependencies/get_etag/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_dependencies/get_etag/#uses) | Source: [wp-includes/class-wp-dependencies.php:533](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-dependencies.php#L533-L559) * method[WP_Image_Editor_GD::set_quality()](https://developer.wordpress.org/reference/classes/wp_image_editor_gd/set_quality/) * Sets Image Compression quality on a 1-100% scale. Handles WebP lossless images. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_image_editor_gd/set_quality/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/classes/wp_image_editor_gd/set_quality/#uses) | Source: [wp-includes/class-wp-image-editor-gd.php:607](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-image-editor-gd.php#L607-L629) * method[WP_Block_Metadata_Registry::get_plugin_dir()](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/get_plugin_dir/) * Gets the normalized WordPress plugin directory path. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/get_plugin_dir/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/get_plugin_dir/#uses) | Source: [wp-includes/class-wp-block-metadata-registry.php:267](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-block-metadata-registry.php#L267-L272) * method[WP_Block_Metadata_Registry::get_wpinc_dir()](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/get_wpinc_dir/) * Gets the WordPress ‘wp-includes’ directory path. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/get_wpinc_dir/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/get_wpinc_dir/#uses) | Source: [wp-includes/class-wp-block-metadata-registry.php:253](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-block-metadata-registry.php#L253-L258) * method[WP_Block_Metadata_Registry::default_identifier_callback()](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/default_identifier_callback/) * Default identifier function to determine the block identifier from a given path. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/default_identifier_callback/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/default_identifier_callback/#uses) | Source: [wp-includes/class-wp-block-metadata-registry.php:288](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-block-metadata-registry.php#L288-L301) * method[WP_Block_Metadata_Registry::has_metadata()](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/has_metadata/) * Checks if metadata exists for a given block name in a specific collection. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/has_metadata/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/has_metadata/#uses) | Source: [wp-includes/class-wp-block-metadata-registry.php:263](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-block-metadata-registry.php#L263-L265) [Previous Page](https://developer.wordpress.org/reference/package/wordpress/page/16/?output_format=md) [1](https://developer.wordpress.org/reference/package/wordpress/?output_format=md)… [15](https://developer.wordpress.org/reference/package/wordpress/page/15/?output_format=md) [16](https://developer.wordpress.org/reference/package/wordpress/page/16/?output_format=md) 17 [18](https://developer.wordpress.org/reference/package/wordpress/page/18/?output_format=md) [19](https://developer.wordpress.org/reference/package/wordpress/page/19/?output_format=md)… [49](https://developer.wordpress.org/reference/package/wordpress/page/49/?output_format=md) [Next Page](https://developer.wordpress.org/reference/package/wordpress/page/18/?output_format=md)