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REST API endpoints for your WordPress content. These endpoints provide machine-readable external access to your WordPress site with a clear, standards-driven interface, allowing new and innovative apps for interacting with your site. These endpoints support all of the following: - Posts: Read and write access to all post data, for all types of post-based data, including pages and media. - Comments: Read and write access to all comment data. This includes pingbacks and trackbacks. - Terms: Read and write access to all term data. - Users: Read and write access to all user data. This includes public access to some data for post authors. - Meta: Read and write access to metadata for posts, comments, terms, and users, on an opt-in basis from plugins. - Settings: Read and write access to settings, on an opt-in basis from plugins and core. This enables API management of key site content values that are technically stored in options, such as site title and byline. Love your REST API, WordPress! The infrastructure says, "Let's do lunch!" but the content API endpoints say, "You're paying!" Props rmccue, rachelbaker, danielbachhuber, joehoyle, adamsilverstein, afurculita, ahmadawais, airesvsg, alisspers, antisilent, apokalyptik, artoliukkonen, attitude, boonebgorges, bradyvercher, brianhogg, caseypatrickdriscoll, chopinbach, chredd, christianesperar, chrisvanpatten, claudiolabarbera, claudiosmweb, cmmarslender, codebykat, coderkevin, codfish, codonnell822, daggerhart, danielpunkass, davidbhayes, delphinus, desrosj, dimadin, dotancohen, DrewAPicture, Dudo1985, duncanjbrown, eherman24, eivhyl, eliorivero, elyobo, en-alis, ericandrewlewis, ericpedia, evansobkowicz, fjarrett, frozzare, georgestephanis, greatislander, guavaworks, hideokamoto, hkdobrev, hubdotcom, hurtige, iandunn, ircrash, ironpaperweight, iseulde, Japh, jaredcobb, JDGrimes, jdolan, jdoubleu, jeremyfelt, jimt, jjeaton, jmusal, jnylen0, johanmynhardt, johnbillion, jonathanbardo, jorbin, joshkadis, JPry, jshreve, jtsternberg, JustinSainton, kacperszurek, kadamwhite, kalenjohnson, kellbot, kjbenk, kokarn, krogsgard, kuchenundkakao, kuldipem, kwight, lgedeon, lukepettway, mantismamita, markoheijnen, matrixik, mattheu, mauteri, maxcutler, mayukojpn, michael-arestad, miyauchi, mjbanks, modemlooper, mrbobbybryant, NateWr, nathanrice, netweb, NikV, nullvariable, oskosk, oso96_2000, oxymoron, pcfreak30, pento, peterwilsoncc, Pezzab, phh, pippinsplugins, pjgalbraith, pkevan, pollyplummer, pushred, quasel, QWp6t, schlessera, schrapel, Shelob9, shprink, simonlampen, Soean, solal, tapsboy, tfrommen, tharsheblows, thenbrent, tierra, tlovett1, tnegri, tobych, Toddses, toro_unit, traversal, vanillalounge, vishalkakadiya, wanecek, web2style, webbgaraget, websupporter, westonruter, whyisjake, wonderboymusic, wpsmith, xknown, zyphonic. Fixes #38373. Built from https://develop.svn.wordpress.org/trunk@38832 git-svn-id: http://core.svn.wordpress.org/trunk@38775 1a063a9b-81f0-0310-95a4-ce76da25c4cd
429 lines
13 KiB
PHP
429 lines
13 KiB
PHP
<?php
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class WP_REST_Revisions_Controller extends WP_REST_Controller {
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private $parent_post_type;
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private $parent_controller;
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private $parent_base;
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public function __construct( $parent_post_type ) {
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$this->parent_post_type = $parent_post_type;
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$this->parent_controller = new WP_REST_Posts_Controller( $parent_post_type );
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$this->namespace = 'wp/v2';
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$this->rest_base = 'revisions';
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$post_type_object = get_post_type_object( $parent_post_type );
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$this->parent_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
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}
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/**
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* Register routes for revisions based on post types supporting revisions
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*
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* @access public
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*/
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public function register_routes() {
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register_rest_route( $this->namespace, '/' . $this->parent_base . '/(?P<parent>[\d]+)/' . $this->rest_base, 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_public_item_schema' ),
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) );
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register_rest_route( $this->namespace, '/' . $this->parent_base . '/(?P<parent>[\d]+)/' . $this->rest_base . '/(?P<id>[\d]+)', array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_item' ),
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'permission_callback' => array( $this, 'get_item_permissions_check' ),
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'args' => array(
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'context' => $this->get_context_param( array( 'default' => 'view' ) ),
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),
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),
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array(
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'methods' => WP_REST_Server::DELETABLE,
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'callback' => array( $this, 'delete_item' ),
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'permission_callback' => array( $this, 'delete_item_permissions_check' ),
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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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* Check if a given request has access to get revisions
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*
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* @access public
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*
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* @param WP_REST_Request $request Full data about the request.
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* @return WP_Error|boolean
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*/
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public function get_items_permissions_check( $request ) {
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$parent = $this->get_post( $request['parent'] );
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if ( ! $parent ) {
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return true;
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}
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$parent_post_type_obj = get_post_type_object( $parent->post_type );
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if ( ! current_user_can( $parent_post_type_obj->cap->edit_post, $parent->ID ) ) {
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return new WP_Error( 'rest_cannot_read', __( 'Sorry, you cannot view revisions of this post.' ), array( 'status' => rest_authorization_required_code() ) );
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}
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return true;
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}
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/**
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* Get a collection of revisions
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*
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* @access public
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*
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* @param WP_REST_Request $request Full data about the request.
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* @return WP_Error|WP_REST_Response
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*/
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public function get_items( $request ) {
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$parent = $this->get_post( $request['parent'] );
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if ( ! $request['parent'] || ! $parent || $this->parent_post_type !== $parent->post_type ) {
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return new WP_Error( 'rest_post_invalid_parent', __( 'Invalid post parent id.' ), array( 'status' => 404 ) );
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}
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$revisions = wp_get_post_revisions( $request['parent'] );
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$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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return rest_ensure_response( $response );
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}
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/**
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* Check if a given request has access to get a specific revision
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*
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* @access public
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*
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* @param WP_REST_Request $request Full data about the request.
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* @return WP_Error|boolean
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*/
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public function get_item_permissions_check( $request ) {
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return $this->get_items_permissions_check( $request );
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}
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/**
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* Get one revision from the collection
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*
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* @access public
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*
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* @param WP_REST_Request $request Full data about the request.
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* @return WP_Error|array
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*/
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public function get_item( $request ) {
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$parent = $this->get_post( $request['parent'] );
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if ( ! $request['parent'] || ! $parent || $this->parent_post_type !== $parent->post_type ) {
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return new WP_Error( 'rest_post_invalid_parent', __( 'Invalid post parent id.' ), array( 'status' => 404 ) );
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}
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$revision = $this->get_post( $request['id'] );
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if ( ! $revision || 'revision' !== $revision->post_type ) {
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return new WP_Error( 'rest_post_invalid_id', __( 'Invalid revision id.' ), array( 'status' => 404 ) );
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}
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$response = $this->prepare_item_for_response( $revision, $request );
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return rest_ensure_response( $response );
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}
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/**
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* Check if a given request has access to delete a revision
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*
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* @access public
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|boolean
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*/
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public function delete_item_permissions_check( $request ) {
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$response = $this->get_items_permissions_check( $request );
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if ( ! $response || is_wp_error( $response ) ) {
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return $response;
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}
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$post = $this->get_post( $request['id'] );
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if ( ! $post ) {
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return new WP_Error( 'rest_post_invalid_id', __( 'Invalid revision id.' ), array( 'status' => 404 ) );
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}
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$post_type = get_post_type_object( 'revision' );
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return current_user_can( $post_type->cap->delete_post, $post->ID );
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}
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/**
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* Delete a single revision
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*
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* @access public
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|boolean
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*/
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public function delete_item( $request ) {
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$result = wp_delete_post( $request['id'], true );
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/**
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* Fires after a revision is deleted via the REST API.
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*
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* @param (mixed) $result The revision object (if it was deleted or moved to the trash successfully)
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* or false (failure). If the revision was moved to to the trash, $result represents
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* its new state; if it was deleted, $result represents its state before deletion.
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* @param WP_REST_Request $request The request sent to the API.
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*/
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do_action( 'rest_delete_revision', $result, $request );
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if ( $result ) {
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return true;
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} else {
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return new WP_Error( 'rest_cannot_delete', __( 'The post cannot be deleted.' ), array( 'status' => 500 ) );
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}
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}
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/**
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* Prepare the revision for the REST response
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*
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* @access public
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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 $response
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*/
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public function prepare_item_for_response( $post, $request ) {
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$schema = $this->get_item_schema();
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$data = array();
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if ( ! empty( $schema['properties']['author'] ) ) {
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$data['author'] = $post->post_author;
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}
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if ( ! empty( $schema['properties']['date'] ) ) {
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$data['date'] = $this->prepare_date_response( $post->post_date_gmt, $post->post_date );
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}
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if ( ! empty( $schema['properties']['date_gmt'] ) ) {
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$data['date_gmt'] = $this->prepare_date_response( $post->post_date_gmt );
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}
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if ( ! empty( $schema['properties']['id'] ) ) {
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$data['id'] = $post->ID;
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}
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if ( ! empty( $schema['properties']['modified'] ) ) {
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$data['modified'] = $this->prepare_date_response( $post->post_modified_gmt, $post->post_modified );
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}
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if ( ! empty( $schema['properties']['modified_gmt'] ) ) {
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$data['modified_gmt'] = $this->prepare_date_response( $post->post_modified_gmt );
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}
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if ( ! empty( $schema['properties']['parent'] ) ) {
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$data['parent'] = (int) $post->post_parent;
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}
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if ( ! empty( $schema['properties']['slug'] ) ) {
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$data['slug'] = $post->post_name;
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}
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if ( ! empty( $schema['properties']['guid'] ) ) {
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$data['guid'] = array(
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/** This filter is documented in wp-includes/post-template.php */
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'rendered' => apply_filters( 'get_the_guid', $post->guid ),
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'raw' => $post->guid,
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);
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}
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if ( ! empty( $schema['properties']['title'] ) ) {
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$data['title'] = array(
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'raw' => $post->post_title,
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'rendered' => get_the_title( $post->ID ),
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);
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}
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if ( ! empty( $schema['properties']['content'] ) ) {
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$data['content'] = array(
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'raw' => $post->post_content,
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/** This filter is documented in wp-includes/post-template.php */
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'rendered' => apply_filters( 'the_content', $post->post_content ),
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);
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}
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if ( ! empty( $schema['properties']['excerpt'] ) ) {
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$data['excerpt'] = array(
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'raw' => $post->post_excerpt,
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'rendered' => $this->prepare_excerpt_response( $post->post_excerpt, $post ),
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);
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}
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$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, $context );
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$response = rest_ensure_response( $data );
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if ( ! empty( $data['parent'] ) ) {
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$response->add_link( 'parent', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->parent_base, $data['parent'] ) ) );
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}
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/**
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* Filter a revision returned from the API.
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*
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* Allows modification of the revision right before it is returned.
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*
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* @param WP_REST_Response $response The response object.
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* @param WP_Post $post The original revision object.
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* @param WP_REST_Request $request Request used to generate the response.
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*/
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return apply_filters( 'rest_prepare_revision', $response, $post, $request );
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}
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/**
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* Check 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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* @access protected
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*
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* @param string $date_gmt GMT publication time.
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* @param string|null $date Optional, default is null. Local publication time.
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* @return string|null ISO8601/RFC3339 formatted datetime.
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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( $date_gmt );
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}
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/**
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* Get the revision's schema, conforming to JSON Schema
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*
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* @access public
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*
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* @return array
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*/
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public function get_item_schema() {
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$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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/*
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* Base properties for every Revision
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*/
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'properties' => array(
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'author' => array(
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'description' => __( 'The id for the author of the object.' ),
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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 object was published.' ),
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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 object 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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'guid' => array(
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'description' => __( 'GUID for the object, as it exists in the database.' ),
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'type' => 'string',
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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 object.' ),
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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 object was last modified.' ),
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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 object 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 object.' ),
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'type' => 'integer',
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'slug' => array(
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'description' => __( 'An alphanumeric identifier for the object unique to its type.' ),
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'type' => 'string',
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'context' => array( 'view', 'edit', 'embed' ),
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),
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),
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);
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$parent_schema = $this->parent_controller->get_item_schema();
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if ( ! empty( $parent_schema['properties']['title'] ) ) {
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$schema['properties']['title'] = $parent_schema['properties']['title'];
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}
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if ( ! empty( $parent_schema['properties']['content'] ) ) {
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$schema['properties']['content'] = $parent_schema['properties']['content'];
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}
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if ( ! empty( $parent_schema['properties']['excerpt'] ) ) {
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$schema['properties']['excerpt'] = $parent_schema['properties']['excerpt'];
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}
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if ( ! empty( $parent_schema['properties']['guid'] ) ) {
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$schema['properties']['guid'] = $parent_schema['properties']['guid'];
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}
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return $this->add_additional_fields_schema( $schema );
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}
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/**
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* Get the query params for collections
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*
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* @access public
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*
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* @return array
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*/
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public function get_collection_params() {
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return array(
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'context' => $this->get_context_param( array( 'default' => 'view' ) ),
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);
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}
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/**
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* Check the post excerpt and prepare it for single post output.
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*
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* @access protected
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*
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* @param string $excerpt The post excerpt.
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* @param WP_Post $post Post revision object.
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* @return string|null $excerpt
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*/
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protected function prepare_excerpt_response( $excerpt, $post ) {
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/** This filter is documented in wp-includes/post-template.php */
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$excerpt = apply_filters( 'the_excerpt', $excerpt, $post );
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if ( empty( $excerpt ) ) {
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return '';
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}
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return $excerpt;
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}
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}
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