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25d8f7240e
Fully list which first-party core theme features are supported in the /themes endpoint response. This brings the REST API themes controller's response more in line with the output of get_theme_support(). Props adamboro, apieschel, koke, spacedmonkey, TimothyBlynJacobs. See #49037. Built from https://develop.svn.wordpress.org/trunk@47258 git-svn-id: http://core.svn.wordpress.org/trunk@47058 1a063a9b-81f0-0310-95a4-ce76da25c4cd
518 lines
15 KiB
PHP
518 lines
15 KiB
PHP
<?php
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/**
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* REST API: WP_REST_Themes_Controller class
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 5.0.0
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*/
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/**
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* Core class used to manage themes via the REST API.
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*
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* @since 5.0.0
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*
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* @see WP_REST_Controller
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*/
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class WP_REST_Themes_Controller extends WP_REST_Controller {
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/**
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* Constructor.
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*
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* @since 5.0.0
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*/
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public function __construct() {
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$this->namespace = 'wp/v2';
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$this->rest_base = 'themes';
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}
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/**
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* Registers the routes for the objects of the controller.
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*
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* @since 5.0.0
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*
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* @see register_rest_route()
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*/
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public function register_routes() {
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base,
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_items' ),
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'permission_callback' => array( $this, 'get_items_permissions_check' ),
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'args' => $this->get_collection_params(),
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),
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'schema' => array( $this, 'get_item_schema' ),
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)
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);
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}
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/**
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* Checks if a given request has access to read the theme.
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*
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* @since 5.0.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has read access for the item, otherwise WP_Error object.
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*/
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public function get_items_permissions_check( $request ) {
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if ( ! is_user_logged_in() || ! current_user_can( 'edit_posts' ) ) {
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return new WP_Error(
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'rest_user_cannot_view',
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__( 'Sorry, you are not allowed to view themes.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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return true;
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}
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/**
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* Retrieves a collection of themes.
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*
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* @since 5.0.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function get_items( $request ) {
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// Retrieve the list of registered collection query parameters.
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$registered = $this->get_collection_params();
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$themes = array();
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if ( isset( $registered['status'], $request['status'] ) && in_array( 'active', $request['status'], true ) ) {
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$active_theme = wp_get_theme();
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$active_theme = $this->prepare_item_for_response( $active_theme, $request );
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$themes[] = $this->prepare_response_for_collection( $active_theme );
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}
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$response = rest_ensure_response( $themes );
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$response->header( 'X-WP-Total', count( $themes ) );
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$response->header( 'X-WP-TotalPages', count( $themes ) );
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return $response;
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}
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/**
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* Prepares a single theme output for response.
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*
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* @since 5.0.0
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*
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* @param WP_Theme $theme Theme object.
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* @param WP_REST_Request $request Request object.
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* @return WP_REST_Response Response object.
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*/
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public function prepare_item_for_response( $theme, $request ) {
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$data = array();
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$fields = $this->get_fields_for_response( $request );
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if ( in_array( 'theme_supports', $fields, true ) ) {
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$item_schemas = $this->get_item_schema();
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$theme_supports = $item_schemas['properties']['theme_supports']['properties'];
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foreach ( $theme_supports as $name => $schema ) {
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if ( 'formats' === $name ) {
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continue;
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}
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if ( ! current_theme_supports( $name ) ) {
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$data['theme_supports'][ $name ] = false;
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continue;
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}
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if ( 'boolean' === $schema['type'] ) {
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$data['theme_supports'][ $name ] = true;
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continue;
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}
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$support = get_theme_support( $name );
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if ( is_array( $support ) ) {
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// None of the Core theme supports have variadic args.
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$support = $support[0];
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// Core multi-type theme-support schema definitions always list boolean first.
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if ( is_array( $schema['type'] ) && 'boolean' === $schema['type'][0] ) {
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// Pass the non-boolean type through to the sanitizer, which cannot itself
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// determine the intended type if the value is invalid (for example if an
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// object includes non-safelisted properties).
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$schema['type'] = $schema['type'][1];
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}
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}
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$data['theme_supports'][ $name ] = rest_sanitize_value_from_schema( $support, $schema );
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}
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$formats = get_theme_support( 'post-formats' );
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$formats = is_array( $formats ) ? array_values( $formats[0] ) : array();
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$formats = array_merge( array( 'standard' ), $formats );
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$data['theme_supports']['formats'] = $formats;
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}
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$data = $this->add_additional_fields_to_object( $data, $request );
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// Wrap the data in a response object.
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$response = rest_ensure_response( $data );
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/**
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* Filters theme data returned from the REST API.
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*
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* @since 5.0.0
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*
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* @param WP_REST_Response $response The response object.
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* @param WP_Theme $theme Theme object used to create response.
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* @param WP_REST_Request $request Request object.
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*/
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return apply_filters( 'rest_prepare_theme', $response, $theme, $request );
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}
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/**
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* Retrieves the theme's schema, conforming to JSON Schema.
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*
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* @since 5.0.0
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*
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* @return array Item schema data.
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*/
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public function get_item_schema() {
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if ( $this->schema ) {
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return $this->add_additional_fields_schema( $this->schema );
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}
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$schema = array(
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'$schema' => 'http://json-schema.org/draft-04/schema#',
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'title' => 'theme',
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'type' => 'object',
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'properties' => array(
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'theme_supports' => array(
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'description' => __( 'Features supported by this theme.' ),
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'type' => 'object',
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'readonly' => true,
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'properties' => array(
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'align-wide' => array(
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'description' => __( 'Whether theme opts in to wide alignment CSS class.' ),
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'type' => 'boolean',
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),
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'automatic-feed-links' => array(
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'description' => __( 'Whether posts and comments RSS feed links are added to head.' ),
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'type' => 'boolean',
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),
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'custom-header' => array(
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'description' => __( 'Custom header if defined by the theme.' ),
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'type' => array( 'boolean', 'object' ),
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'properties' => array(
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'default-image' => array(
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'type' => 'string',
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'format' => 'uri',
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),
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'random-default' => array(
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'type' => 'boolean',
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),
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'width' => array(
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'type' => 'integer',
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),
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'height' => array(
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'type' => 'integer',
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),
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'flex-height' => array(
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'type' => 'boolean',
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),
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'flex-width' => array(
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'type' => 'boolean',
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),
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'default-text-color' => array(
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'type' => 'string',
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),
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'header-text' => array(
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'type' => 'boolean',
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),
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'uploads' => array(
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'type' => 'boolean',
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),
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'video' => array(
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'type' => 'boolean',
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),
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),
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'additionalProperties' => false,
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),
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'custom-background' => array(
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'description' => __( 'Custom background if defined by the theme.' ),
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'type' => array( 'boolean', 'object' ),
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'properties' => array(
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'default-image' => array(
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'type' => 'string',
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'format' => 'uri',
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),
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'default-preset' => array(
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'type' => 'string',
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'enum' => array(
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'default',
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'fill',
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'fit',
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'repeat',
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'custom',
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),
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),
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'default-position-x' => array(
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'type' => 'string',
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'enum' => array(
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'left',
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'center',
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'right',
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),
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),
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'default-position-y' => array(
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'type' => 'string',
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'enum' => array(
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'left',
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'center',
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'right',
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),
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),
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'default-size' => array(
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'type' => 'string',
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'enum' => array(
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'auto',
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'contain',
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'cover',
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),
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),
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'default-repeat' => array(
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'type' => 'string',
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'enum' => array(
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'repeat-x',
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'repeat-y',
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'repeat',
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'no-repeat',
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),
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),
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'default-attachment' => array(
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'type' => 'string',
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'enum' => array(
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'scroll',
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'fixed',
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),
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),
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'default-color' => array(
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'type' => 'string',
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),
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),
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'additionalProperties' => false,
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),
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'custom-logo' => array(
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'description' => __( 'Custom logo if defined by the theme.' ),
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'type' => array( 'boolean', 'object' ),
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'properties' => array(
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'width' => array(
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'type' => 'integer',
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),
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'height' => array(
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'type' => 'integer',
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),
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'flex-width' => array(
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'type' => 'boolean',
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),
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'flex-height' => array(
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'type' => 'boolean',
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),
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'header-text' => array(
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'type' => 'array',
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'items' => array(
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'type' => 'string',
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),
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),
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),
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'additionalProperties' => false,
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),
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'customize-selective-refresh-widgets' => array(
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'description' => __( 'Whether the theme enables Selective Refresh for Widgets being managed with the Customizer.' ),
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'type' => 'boolean',
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),
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'dark-editor-style' => array(
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'description' => __( 'Whether theme opts in to the dark editor style UI.' ),
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'type' => 'boolean',
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),
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'disable-custom-colors' => array(
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'description' => __( 'Whether the theme disables custom colors.' ),
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'type' => 'boolean',
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),
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'disable-custom-font-sizes' => array(
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'description' => __( 'Whether the theme disables custom font sizes.' ),
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'type' => 'boolean',
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),
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'disable-custom-gradients' => array(
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'description' => __( 'Whether the theme disables custom graidients.' ),
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'type' => 'boolean',
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),
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'editor-color-palette' => array(
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'description' => __( 'Custom color palette if defined by the theme.' ),
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'type' => array( 'boolean', 'array' ),
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'items' => array(
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'type' => 'object',
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'properties' => array(
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'name' => array(
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'type' => 'string',
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),
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'slug' => array(
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'type' => 'string',
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),
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'color' => array(
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'type' => 'string',
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),
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),
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'additionalProperties' => false,
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),
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),
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'editor-font-sizes' => array(
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'description' => __( 'Custom font sizes if defined by the theme.' ),
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'type' => array( 'boolean', 'array' ),
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'items' => array(
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'type' => 'object',
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'properties' => array(
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'name' => array(
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'type' => 'string',
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),
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'size' => array(
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'type' => 'number',
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),
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'slug' => array(
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'type' => 'string',
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),
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),
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'additionalProperties' => false,
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),
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),
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'editor-gradient-presets' => array(
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'description' => __( 'Custom gradient presets if defined by the theme.' ),
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'type' => array( 'boolean', 'array' ),
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'items' => array(
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'type' => 'object',
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'properties' => array(
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'name' => array(
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'type' => 'string',
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),
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'gradient' => array(
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'type' => 'string',
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),
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'slug' => array(
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'type' => 'string',
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),
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),
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'additionalProperties' => false,
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),
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),
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'editor-styles' => array(
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'description' => __( 'Whether theme opts in to the editor styles CSS wrapper.' ),
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'type' => 'boolean',
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),
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'formats' => array(
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'description' => __( 'Post formats supported.' ),
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'type' => 'array',
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'items' => array(
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'type' => 'string',
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'enum' => get_post_format_slugs(),
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),
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),
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'html5' => array(
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'description' => __( 'Allows use of html5 markup for search forms, comment forms, comment lists, gallery, and caption.' ),
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'type' => array( 'boolean', 'array' ),
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'items' => array(
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'type' => 'string',
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'enum' => array(
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'search-form',
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'comment-form',
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'comment-list',
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'gallery',
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'caption',
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'script',
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'style',
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),
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),
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),
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'post-thumbnails' => array(
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'description' => __( 'Whether the theme supports post thumbnails.' ),
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'type' => array( 'boolean', 'array' ),
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'items' => array(
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'type' => 'string',
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),
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),
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'responsive-embeds' => array(
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'description' => __( 'Whether the theme supports responsive embedded content.' ),
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'type' => 'boolean',
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),
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'title-tag' => array(
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'description' => __( 'Whether the theme can manage the document title tag.' ),
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'type' => 'boolean',
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),
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'wp-block-styles' => array(
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'description' => __( 'Whether theme opts in to default WordPress block styles for viewing.' ),
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'type' => 'boolean',
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),
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),
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),
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),
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);
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$this->schema = $schema;
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return $this->add_additional_fields_schema( $this->schema );
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}
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/**
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* Retrieves the search params for the themes collection.
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*
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* @since 5.0.0
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*
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* @return array Collection parameters.
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*/
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public function get_collection_params() {
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$query_params = parent::get_collection_params();
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$query_params['status'] = array(
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'description' => __( 'Limit result set to themes assigned one or more statuses.' ),
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'type' => 'array',
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'items' => array(
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'enum' => array( 'active' ),
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'type' => 'string',
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),
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'required' => true,
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'sanitize_callback' => array( $this, 'sanitize_theme_status' ),
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);
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/**
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* Filter collection parameters for the themes controller.
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*
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* @since 5.0.0
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*
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* @param array $query_params JSON Schema-formatted collection parameters.
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*/
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return apply_filters( 'rest_themes_collection_params', $query_params );
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}
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/**
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* Sanitizes and validates the list of theme status.
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*
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* @since 5.0.0
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*
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* @param string|array $statuses One or more theme statuses.
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* @param WP_REST_Request $request Full details about the request.
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* @param string $parameter Additional parameter to pass to validation.
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* @return array|WP_Error A list of valid statuses, otherwise WP_Error object.
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*/
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public function sanitize_theme_status( $statuses, $request, $parameter ) {
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$statuses = wp_parse_slug_list( $statuses );
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foreach ( $statuses as $status ) {
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$result = rest_validate_request_arg( $status, $request, $parameter );
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if ( is_wp_error( $result ) ) {
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return $result;
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}
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}
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return $statuses;
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}
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}
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