Title: WordPress | Page 15 of 49 | Developer.WordPress.org --- # @package: WordPress * function[wp_register_core_abilities()](https://developer.wordpress.org/reference/functions/wp_register_core_abilities/) * Registers the default core abilities. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_register_core_abilities/#used-by) | Uses [9 functions](https://developer.wordpress.org/reference/functions/wp_register_core_abilities/#uses) | Source: [wp-includes/abilities.php:42](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/abilities.php#L42-L260) * hook[bulk_action_observer_ids](https://developer.wordpress.org/reference/hooks/bulk_action_observer_ids/) * Filters the array of field name attributes for bulk actions. * Used by [1 function](https://developer.wordpress.org/reference/hooks/bulk_action_observer_ids/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/bulk_action_observer_ids/#uses) | Source: [wp-includes/script-loader.php:788](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/script-loader.php#L788-L788) * method[WP_REST_Request::is_method()](https://developer.wordpress.org/reference/classes/wp_rest_request/is_method/) * Determines if the request is the given method. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_rest_request/is_method/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_rest_request/is_method/#uses) | Source: [wp-includes/rest-api/class-wp-rest-request.php:172](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/rest-api/class-wp-rest-request.php#L172-L174) * hook[wp_prevent_unsupported_mime_type_uploads](https://developer.wordpress.org/reference/hooks/wp_prevent_unsupported_mime_type_uploads/) * Filter whether the server should prevent uploads for image types it doesn’t support. Default true. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/wp_prevent_unsupported_mime_type_uploads/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_prevent_unsupported_mime_type_uploads/#uses) | Source: [wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php:162](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php#L162-L162) * hook[image_max_bit_depth](https://developer.wordpress.org/reference/hooks/image_max_bit_depth/) * Filters the maximum bit depth of resized images. * Used by [1 function](https://developer.wordpress.org/reference/hooks/image_max_bit_depth/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/image_max_bit_depth/#uses) | Source: [wp-includes/class-wp-image-editor-imagick.php:600](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-image-editor-imagick.php#L600-L600) * function[wp_password_needs_rehash()](https://developer.wordpress.org/reference/functions/wp_password_needs_rehash/) * Checks whether a password hash needs to be rehashed. * Used by [2 functions](https://developer.wordpress.org/reference/functions/wp_password_needs_rehash/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_password_needs_rehash/#uses) | Source: [wp-includes/pluggable.php:2907](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2907-L2941) * hook[wp_hash_password_algorithm](https://developer.wordpress.org/reference/hooks/wp_hash_password_algorithm/) * Filters the hashing algorithm to use in the password_hash() and password_needs_rehash() functions. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/wp_hash_password_algorithm/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_hash_password_algorithm/#uses) | Source: [wp-includes/pluggable.php:2785](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2785-L2785) * hook[wp_hash_password_options](https://developer.wordpress.org/reference/hooks/wp_hash_password_options/) * Filters the options passed to the password_hash() and password_needs_rehash() functions. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/wp_hash_password_options/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_hash_password_options/#uses) | Source: [wp-includes/pluggable.php:2801](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2801-L2801) * hook[password_needs_rehash](https://developer.wordpress.org/reference/hooks/password_needs_rehash/) * Filters whether the password hash needs to be rehashed. * Used by [1 function](https://developer.wordpress.org/reference/hooks/password_needs_rehash/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/password_needs_rehash/#uses) | Source: [wp-includes/pluggable.php:2940](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2940-L2940) * method[Walker_Nav_Menu::__construct()](https://developer.wordpress.org/reference/classes/walker_nav_menu/__construct/) * Constructor. * Used by [1 function](https://developer.wordpress.org/reference/classes/walker_nav_menu/__construct/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/walker_nav_menu/__construct/#uses) | Source: [wp-includes/class-walker-nav-menu.php:55](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-walker-nav-menu.php#L55-L57) * function[wp_initialize_site_preview_hooks()](https://developer.wordpress.org/reference/functions/wp_initialize_site_preview_hooks/) * Initialize site preview. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_initialize_site_preview_hooks/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_initialize_site_preview_hooks/#uses) | Source: [wp-includes/block-editor.php:851](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/block-editor.php#L851-L860) * method[WP_Locale::get_month_genitive()](https://developer.wordpress.org/reference/classes/wp_locale/get_month_genitive/) * Retrieves translated version of month genitive string. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_locale/get_month_genitive/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_locale/get_month_genitive/#uses) | Source: [wp-includes/class-wp-locale.php:359](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-locale.php#L359-L361) * method[WP_Application_Passwords::check_password()](https://developer.wordpress.org/reference/classes/wp_application_passwords/check_password/) * Checks a plaintext application password against a hashed password. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_application_passwords/check_password/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_application_passwords/check_password/#uses) | Source: [wp-includes/class-wp-application-passwords.php:500](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-application-passwords.php#L500-L514) * method[WP_Application_Passwords::hash_password()](https://developer.wordpress.org/reference/classes/wp_application_passwords/hash_password/) * Hashes a plaintext application password. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_application_passwords/hash_password/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_application_passwords/hash_password/#uses) | Source: [wp-includes/class-wp-application-passwords.php:484](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-application-passwords.php#L484-L489) * method[WP_Block::refresh_context_dependents()](https://developer.wordpress.org/reference/classes/wp_block/refresh_context_dependents/) * Updates the context for the current block and its inner blocks. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_block/refresh_context_dependents/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_block/refresh_context_dependents/#uses) | Source: [wp-includes/class-wp-block.php:155](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-block.php#L155-L172) * method[WP_Block::refresh_parsed_block_dependents()](https://developer.wordpress.org/reference/classes/wp_block/refresh_parsed_block_dependents/) * Updates the parsed block content for the current block and its inner blocks. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_block/refresh_parsed_block_dependents/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_block/refresh_parsed_block_dependents/#uses) | Source: [wp-includes/class-wp-block.php:186](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-block.php#L186-L208) * hook[pre_count_many_users_posts](https://developer.wordpress.org/reference/hooks/pre_count_many_users_posts/) * Filters whether to short-circuit performing the post counts. * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_count_many_users_posts/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_count_many_users_posts/#uses) | Source: [wp-includes/user.php:681](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L681-L681) * method[WP_Speculation_Rules::is_valid_id()](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_id/) * Checks whether the given ID is valid. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_id/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_id/#uses) | Source: [wp-includes/class-wp-speculation-rules.php:254](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-speculation-rules.php#L254-L256) * method[WP_Speculation_Rules::is_valid_mode()](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_mode/) * Checks whether the given speculation rules mode is valid. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_mode/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_mode/#uses) | Source: [wp-includes/class-wp-speculation-rules.php:266](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-speculation-rules.php#L266-L268) * method[WP_Speculation_Rules::is_valid_eagerness()](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_eagerness/) * Checks whether the given speculation rules eagerness is valid. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_eagerness/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_eagerness/#uses) | Source: [wp-includes/class-wp-speculation-rules.php:278](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-speculation-rules.php#L278-L280) * method[WP_Speculation_Rules::is_valid_source()](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_source/) * Checks whether the given speculation rules source is valid. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_source/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/is_valid_source/#uses) | Source: [wp-includes/class-wp-speculation-rules.php:290](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-speculation-rules.php#L290-L292) * class[WP_Speculation_Rules](https://developer.wordpress.org/reference/classes/wp_speculation_rules/) * Class representing a set of speculation rules. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/#uses) | Source: [wp-includes/class-wp-speculation-rules.php:16](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-speculation-rules.php#L16-L293) * method[WP_Speculation_Rules::add_rule()](https://developer.wordpress.org/reference/classes/wp_speculation_rules/add_rule/) * Adds a speculation rule to the speculation rules to consider. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/add_rule/#used-by) | Uses [8 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/add_rule/#uses) | Source: [wp-includes/class-wp-speculation-rules.php:73](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-speculation-rules.php#L73-L213) * method[WP_Speculation_Rules::has_rule()](https://developer.wordpress.org/reference/classes/wp_speculation_rules/has_rule/) * Checks whether a speculation rule for the given mode and ID already exists. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_speculation_rules/has_rule/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/has_rule/#uses) | Source: [wp-includes/class-wp-speculation-rules.php:224](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-speculation-rules.php#L224-L226) * method[WP_Speculation_Rules::jsonSerialize()](https://developer.wordpress.org/reference/classes/wp_speculation_rules/jsonserialize/) * Returns the speculation rules data ready to be JSON-encoded. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/jsonserialize/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_speculation_rules/jsonserialize/#uses) | Source: [wp-includes/class-wp-speculation-rules.php:235](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-speculation-rules.php#L235-L244) * hook[set_site_transient](https://developer.wordpress.org/reference/hooks/set_site_transient/) * Fires after the value for a site transient has been set. * Used by [1 function](https://developer.wordpress.org/reference/hooks/set_site_transient/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/set_site_transient/#uses) | Source: [wp-includes/option.php:2714](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/option.php#L2714-L2714) * hook[set_transient](https://developer.wordpress.org/reference/hooks/set_transient/) * Fires after the value for a transient has been set. * Used by [1 function](https://developer.wordpress.org/reference/hooks/set_transient/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/set_transient/#uses) | Source: [wp-includes/option.php:1603](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/option.php#L1603-L1603) * function[is_post_embeddable()](https://developer.wordpress.org/reference/functions/is_post_embeddable/) * Determines whether a post is embeddable. * Used by [2 functions](https://developer.wordpress.org/reference/functions/is_post_embeddable/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/is_post_embeddable/#uses) | Source: [wp-includes/post.php:2524](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post.php#L2524-L2548) * hook[is_post_embeddable](https://developer.wordpress.org/reference/hooks/is_post_embeddable/) * Filter whether a post is embeddable. * Used by [1 function](https://developer.wordpress.org/reference/hooks/is_post_embeddable/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/is_post_embeddable/#uses) | Source: [wp-includes/post.php:2547](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post.php#L2547-L2547) * method[WP_Block_Metadata_Registry::is_valid_collection_path()](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/is_valid_collection_path/) * Checks whether the given block metadata collection path is valid against the list of collection roots. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/is_valid_collection_path/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_block_metadata_registry/is_valid_collection_path/#uses) | Source: [wp-includes/class-wp-block-metadata-registry.php:312](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-block-metadata-registry.php#L312-L326) [Previous 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