475 lines
14 KiB
PHP
475 lines
14 KiB
PHP
<?php
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/**
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* REST API: WP_REST_Global_Styles_Revisions_Controller class
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 6.3.0
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*/
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/**
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* Core class used to access global styles revisions via the REST API.
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*
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* @since 6.3.0
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*
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* @see WP_REST_Controller
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*/
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class WP_REST_Global_Styles_Revisions_Controller extends WP_REST_Controller {
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/**
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* Parent post type.
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*
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* @since 6.3.0
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* @var string
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*/
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private $parent_post_type;
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/**
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* The base of the parent controller's route.
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*
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* @since 6.3.0
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* @var string
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*/
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private $parent_base;
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/**
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* Constructor.
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*
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* @since 6.3.0
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*/
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public function __construct() {
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$this->parent_post_type = 'wp_global_styles';
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$this->rest_base = 'revisions';
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$this->parent_base = 'global-styles';
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$this->namespace = 'wp/v2';
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}
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/**
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* Registers the controller's routes.
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*
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* @since 6.3.0
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*/
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public function register_routes() {
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register_rest_route(
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$this->namespace,
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'/' . $this->parent_base . '/(?P<parent>[\d]+)/' . $this->rest_base,
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array(
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'args' => array(
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'parent' => array(
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'description' => __( 'The ID for the parent of the revision.' ),
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'type' => 'integer',
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),
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),
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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_item_permissions_check' ),
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'args' => $this->get_collection_params(),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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}
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/**
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* Retrieves the query params for collections.
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*
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* Inherits from WP_REST_Controller::get_collection_params(),
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* also reflects changes to return value WP_REST_Revisions_Controller::get_collection_params().
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*
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* @since 6.3.0
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*
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* @return array Collection parameters.
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*/
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public function get_collection_params() {
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$collection_params = parent::get_collection_params();
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$collection_params['context']['default'] = 'view';
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$collection_params['offset'] = array(
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'description' => __( 'Offset the result set by a specific number of items.' ),
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'type' => 'integer',
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);
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unset( $collection_params['search'] );
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unset( $collection_params['per_page']['default'] );
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return $collection_params;
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}
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/**
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* Returns decoded JSON from post content string,
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* or a 404 if not found.
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*
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* @since 6.3.0
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*
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* @param string $raw_json Encoded JSON from global styles custom post content.
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* @return Array|WP_Error
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*/
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private function get_decoded_global_styles_json( $raw_json ) {
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$decoded_json = json_decode( $raw_json, true );
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if ( is_array( $decoded_json ) && isset( $decoded_json['isGlobalStylesUserThemeJSON'] ) && true === $decoded_json['isGlobalStylesUserThemeJSON'] ) {
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return $decoded_json;
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}
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return new WP_Error(
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'rest_global_styles_not_found',
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__( 'Cannot find user global styles revisions.' ),
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array( 'status' => 404 )
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);
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}
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/**
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* Returns paginated revisions of the given global styles config custom post type.
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*
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* The bulk of the body is taken from WP_REST_Revisions_Controller->get_items,
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* but global styles does not require as many parameters.
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*
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* @since 6.3.0
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*
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* @param WP_REST_Request $request The request instance.
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* @return WP_REST_Response|WP_Error
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*/
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public function get_items( $request ) {
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$parent = $this->get_parent( $request['parent'] );
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if ( is_wp_error( $parent ) ) {
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return $parent;
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}
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$global_styles_config = $this->get_decoded_global_styles_json( $parent->post_content );
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if ( is_wp_error( $global_styles_config ) ) {
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return $global_styles_config;
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}
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if ( wp_revisions_enabled( $parent ) ) {
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$registered = $this->get_collection_params();
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$query_args = array(
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'post_parent' => $parent->ID,
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'post_type' => 'revision',
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'post_status' => 'inherit',
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'posts_per_page' => -1,
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'orderby' => 'date ID',
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'order' => 'DESC',
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);
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$parameter_mappings = array(
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'offset' => 'offset',
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'page' => 'paged',
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'per_page' => 'posts_per_page',
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);
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foreach ( $parameter_mappings as $api_param => $wp_param ) {
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if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {
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$query_args[ $wp_param ] = $request[ $api_param ];
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}
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}
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$revisions_query = new WP_Query();
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$revisions = $revisions_query->query( $query_args );
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$offset = isset( $query_args['offset'] ) ? (int) $query_args['offset'] : 0;
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$page = (int) $query_args['paged'];
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$total_revisions = $revisions_query->found_posts;
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if ( $total_revisions < 1 ) {
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// Out-of-bounds, run the query again without LIMIT for total count.
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unset( $query_args['paged'], $query_args['offset'] );
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$count_query = new WP_Query();
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$count_query->query( $query_args );
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$total_revisions = $count_query->found_posts;
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}
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if ( $revisions_query->query_vars['posts_per_page'] > 0 ) {
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$max_pages = ceil( $total_revisions / (int) $revisions_query->query_vars['posts_per_page'] );
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} else {
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$max_pages = $total_revisions > 0 ? 1 : 0;
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}
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if ( $total_revisions > 0 ) {
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if ( $offset >= $total_revisions ) {
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return new WP_Error(
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'rest_revision_invalid_offset_number',
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__( 'The offset number requested is larger than or equal to the number of available revisions.' ),
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array( 'status' => 400 )
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);
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} elseif ( ! $offset && $page > $max_pages ) {
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return new WP_Error(
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'rest_revision_invalid_page_number',
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__( 'The page number requested is larger than the number of pages available.' ),
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array( 'status' => 400 )
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);
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}
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}
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} else {
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$revisions = array();
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$total_revisions = 0;
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$max_pages = 0;
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$page = (int) $request['page'];
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}
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$response = array();
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foreach ( $revisions as $revision ) {
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$data = $this->prepare_item_for_response( $revision, $request );
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$response[] = $this->prepare_response_for_collection( $data );
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}
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$response = rest_ensure_response( $response );
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$response->header( 'X-WP-Total', (int) $total_revisions );
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$response->header( 'X-WP-TotalPages', (int) $max_pages );
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$request_params = $request->get_query_params();
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$base_path = rest_url( sprintf( '%s/%s/%d/%s', $this->namespace, $this->parent_base, $request['parent'], $this->rest_base ) );
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$base = add_query_arg( urlencode_deep( $request_params ), $base_path );
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if ( $page > 1 ) {
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$prev_page = $page - 1;
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if ( $prev_page > $max_pages ) {
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$prev_page = $max_pages;
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}
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$prev_link = add_query_arg( 'page', $prev_page, $base );
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$response->link_header( 'prev', $prev_link );
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}
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if ( $max_pages > $page ) {
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$next_page = $page + 1;
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$next_link = add_query_arg( 'page', $next_page, $base );
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$response->link_header( 'next', $next_link );
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}
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return $response;
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}
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/**
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* Checks the post_date_gmt or modified_gmt and prepare any post or
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* modified date for single post output.
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*
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* Duplicate of WP_REST_Revisions_Controller::prepare_date_response
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*
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* @since 6.3.0
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*
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* @param string $date_gmt GMT publication time.
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* @param string|null $date Optional. Local publication time. Default null.
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* @return string|null ISO8601/RFC3339 formatted datetime, otherwise null.
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*/
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protected function prepare_date_response( $date_gmt, $date = null ) {
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if ( '0000-00-00 00:00:00' === $date_gmt ) {
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return null;
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}
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if ( isset( $date ) ) {
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return mysql_to_rfc3339( $date );
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}
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return mysql_to_rfc3339( $date_gmt );
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}
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/**
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* Prepares the revision for the REST response.
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*
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* @since 6.3.0
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*
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* @param WP_Post $post Post revision object.
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* @param WP_REST_Request $request Request object.
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* @return WP_REST_Response|WP_Error Response object.
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*/
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public function prepare_item_for_response( $post, $request ) {
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$parent = $this->get_parent( $request['parent'] );
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$global_styles_config = $this->get_decoded_global_styles_json( $post->post_content );
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if ( is_wp_error( $global_styles_config ) ) {
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return $global_styles_config;
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}
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$fields = $this->get_fields_for_response( $request );
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$data = array();
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if ( ! empty( $global_styles_config['styles'] ) || ! empty( $global_styles_config['settings'] ) ) {
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$global_styles_config = ( new WP_Theme_JSON( $global_styles_config, 'custom' ) )->get_raw_data();
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if ( rest_is_field_included( 'settings', $fields ) ) {
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$data['settings'] = ! empty( $global_styles_config['settings'] ) ? $global_styles_config['settings'] : new stdClass();
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}
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if ( rest_is_field_included( 'styles', $fields ) ) {
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$data['styles'] = ! empty( $global_styles_config['styles'] ) ? $global_styles_config['styles'] : new stdClass();
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}
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}
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if ( rest_is_field_included( 'author', $fields ) ) {
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$data['author'] = (int) $post->post_author;
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}
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if ( rest_is_field_included( 'date', $fields ) ) {
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$data['date'] = $this->prepare_date_response( $post->post_date_gmt, $post->post_date );
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}
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if ( rest_is_field_included( 'date_gmt', $fields ) ) {
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$data['date_gmt'] = $this->prepare_date_response( $post->post_date_gmt );
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}
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if ( rest_is_field_included( 'id', $fields ) ) {
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$data['id'] = (int) $post->ID;
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}
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if ( rest_is_field_included( 'modified', $fields ) ) {
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$data['modified'] = $this->prepare_date_response( $post->post_modified_gmt, $post->post_modified );
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}
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if ( rest_is_field_included( 'modified_gmt', $fields ) ) {
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$data['modified_gmt'] = $this->prepare_date_response( $post->post_modified_gmt );
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}
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if ( rest_is_field_included( 'parent', $fields ) ) {
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$data['parent'] = (int) $parent->ID;
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}
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$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
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$data = $this->add_additional_fields_to_object( $data, $request );
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$data = $this->filter_response_by_context( $data, $context );
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return rest_ensure_response( $data );
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}
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/**
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* Retrieves the revision's schema, conforming to JSON Schema.
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*
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* @since 6.3.0
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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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'$schema' => 'http://json-schema.org/draft-04/schema#',
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'title' => "{$this->parent_post_type}-revision",
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'type' => 'object',
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// Base properties for every revision.
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'properties' => array(
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/*
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* Adds settings and styles from the WP_REST_Revisions_Controller item fields.
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* Leaves out GUID as global styles shouldn't be accessible via URL.
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*/
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'author' => array(
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'description' => __( 'The ID for the author of the revision.' ),
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'type' => 'integer',
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'date' => array(
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'description' => __( "The date the revision was published, in the site's timezone." ),
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'type' => 'string',
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'format' => 'date-time',
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'date_gmt' => array(
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'description' => __( 'The date the revision was published, as GMT.' ),
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'type' => 'string',
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'format' => 'date-time',
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'context' => array( 'view', 'edit' ),
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),
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'id' => array(
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'description' => __( 'Unique identifier for the revision.' ),
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'type' => 'integer',
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'modified' => array(
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'description' => __( "The date the revision was last modified, in the site's timezone." ),
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'type' => 'string',
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'format' => 'date-time',
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'context' => array( 'view', 'edit' ),
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),
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'modified_gmt' => array(
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'description' => __( 'The date the revision was last modified, as GMT.' ),
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'type' => 'string',
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'format' => 'date-time',
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'context' => array( 'view', 'edit' ),
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),
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'parent' => array(
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'description' => __( 'The ID for the parent of the revision.' ),
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'type' => 'integer',
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'context' => array( 'view', 'edit', 'embed' ),
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),
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// Adds settings and styles from the WP_REST_Global_Styles_Controller parent schema.
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'styles' => array(
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'description' => __( 'Global styles.' ),
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'type' => array( 'object' ),
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'context' => array( 'view', 'edit' ),
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),
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'settings' => array(
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'description' => __( 'Global settings.' ),
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'type' => array( 'object' ),
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'context' => array( 'view', 'edit' ),
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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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* Checks if a given request has access to read a single global style.
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*
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* @since 6.3.0
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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, WP_Error object otherwise.
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*/
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public function get_item_permissions_check( $request ) {
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$post = $this->get_parent( $request['parent'] );
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if ( is_wp_error( $post ) ) {
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return $post;
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}
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/*
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* The same check as WP_REST_Global_Styles_Controller::get_item_permissions_check.
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*/
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if ( ! current_user_can( 'read_post', $post->ID ) ) {
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return new WP_Error(
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'rest_cannot_view',
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__( 'Sorry, you are not allowed to view revisions for this global style.' ),
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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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* Get the parent post, if the ID is valid.
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*
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* Duplicate of WP_REST_Revisions_Controller::get_parent
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*
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* @since 6.3.0
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*
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* @param int $parent_post_id Supplied ID.
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* @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
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*/
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protected function get_parent( $parent_post_id ) {
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$error = new WP_Error(
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'rest_post_invalid_parent',
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__( 'Invalid post parent ID.' ),
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array( 'status' => 404 )
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);
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if ( (int) $parent_post_id <= 0 ) {
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return $error;
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}
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$parent_post = get_post( (int) $parent_post_id );
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if ( empty( $parent_post ) || empty( $parent_post->ID )
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|| $this->parent_post_type !== $parent_post->post_type
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) {
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return $error;
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}
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return $parent_post;
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}
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}
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