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New in WordPress 5.6

Function Short description Path
clean_dirsize_cacheCleans directory size cache used by recurse_dirsize().wp-includes/functions.php
core_auto_updates_settingsDisplay WordPress auto-updates settings.wp-admin/update-core.php
get_media_statesRetrieves an array of media states from an attachment.wp-admin/includes/template.php
is_gd_imageDetermines whether the value is an acceptable type for GD image functions.wp-includes/media.php
rest_add_application_passwords_to_indexAdds Application Passwords info to the REST API index.wp-includes/rest-api.php
rest_application_password_check_errorsChecks for errors when using application password-based authentication.wp-includes/rest-api.php
rest_application_password_collect_statusCollects the status of authenticating with an application password.wp-includes/rest-api.php
rest_find_any_matching_schemaFinds the matching schema among the "anyOf" schemas.wp-includes/rest-api.php
rest_find_matching_pattern_property_schemaFinds the schema for a property using the patternProperties keyword.wp-includes/rest-api.php
rest_find_one_matching_schemaFinds the matching schema among the "oneOf" schemas.wp-includes/rest-api.php
rest_format_combining_operation_errorFormats a combining operation error into a WP_Error object.wp-includes/rest-api.php
rest_get_allowed_schema_keywordsGet all valid JSON schema properties.wp-includes/rest-api.php
rest_get_combining_operation_errorGets the error of combining operation.wp-includes/rest-api.php
rest_get_endpoint_args_for_schemaRetrieves an array of endpoint arguments from the item schema and endpoint method.wp-includes/rest-api.php
rest_validate_json_schema_patternValidates if the JSON Schema pattern matches a value.wp-includes/rest-api.php
wp_after_insert_postFires actions after a post, its terms and meta data has been saved.wp-includes/post.php
wp_apply_generated_classname_supportAdd the generated classnames to the output.wp-includes/block-supports/generated-classname.php
wp_authenticate_application_passwordAuthenticates the user using an application password.wp-includes/user.php
wp_get_block_default_classnameGet the generated classname from a given block name.wp-includes/block-supports/generated-classname.php
wp_is_application_passwords_availableChecks if Application Passwords is globally available.wp-includes/user.php
wp_is_application_passwords_available_for_userChecks if Application Passwords is available for a specific user.wp-includes/user.php
wp_is_authorize_application_password_request_validChecks if the Authorize Application Password request is valid.wp-admin/includes/user.php
wp_is_auto_update_forced_for_itemChecks whether auto-updates are forced for an item.wp-admin/includes/update.php
wp_is_json_media_typeChecks whether a string is a valid JSON Media Type.wp-includes/load.php
wp_populate_basic_auth_from_authorization_headerPopulates the Basic Auth server details from the Authorization header.wp-includes/load.php
wp_should_load_block_editor_scripts_and_stylesChecks if the editor scripts and styles for all registered block types should be enqueued on the current screen.wp-includes/script-loader.php
wp_untrash_post_set_previous_statusFilter callback which sets the status of an untrashed post to its previous status.wp-includes/post.php
wp_validate_application_passwordValidates the application password credentials passed via Basic Authentication.wp-includes/user.php