WordPress at a glance
function is not described

WP_REST_Post_Types_Controller::prepare_item_for_response() public WP 4.7.0

Prepares a post type object for serialization.

{} It's a method of the class: WP_REST_Post_Types_Controller{}

Hooks from the method
Return

WP_REST_Response. Response object.

Usage

$WP_REST_Post_Types_Controller = new WP_REST_Post_Types_Controller();
$WP_REST_Post_Types_Controller->prepare_item_for_response( $post_type, $request );
$post_type(WP_Post_Type) (required)
Post type object.
$request(WP_REST_Request) (required)
Full details about the request.

Changelog

Since 4.7.0 Introduced.

Code of WP_REST_Post_Types_Controller::prepare_item_for_response() WP 5.5.1

<?php
public function prepare_item_for_response( $post_type, $request ) {
	$taxonomies = wp_list_filter( get_object_taxonomies( $post_type->name, 'objects' ), array( 'show_in_rest' => true ) );
	$taxonomies = wp_list_pluck( $taxonomies, 'name' );
	$base       = ! empty( $post_type->rest_base ) ? $post_type->rest_base : $post_type->name;
	$supports   = get_all_post_type_supports( $post_type->name );

	$fields = $this->get_fields_for_response( $request );
	$data   = array();

	if ( in_array( 'capabilities', $fields, true ) ) {
		$data['capabilities'] = $post_type->cap;
	}

	if ( in_array( 'description', $fields, true ) ) {
		$data['description'] = $post_type->description;
	}

	if ( in_array( 'hierarchical', $fields, true ) ) {
		$data['hierarchical'] = $post_type->hierarchical;
	}

	if ( in_array( 'viewable', $fields, true ) ) {
		$data['viewable'] = is_post_type_viewable( $post_type );
	}

	if ( in_array( 'labels', $fields, true ) ) {
		$data['labels'] = $post_type->labels;
	}

	if ( in_array( 'name', $fields, true ) ) {
		$data['name'] = $post_type->label;
	}

	if ( in_array( 'slug', $fields, true ) ) {
		$data['slug'] = $post_type->name;
	}

	if ( in_array( 'supports', $fields, true ) ) {
		$data['supports'] = $supports;
	}

	if ( in_array( 'taxonomies', $fields, true ) ) {
		$data['taxonomies'] = array_values( $taxonomies );
	}

	if ( in_array( 'rest_base', $fields, true ) ) {
		$data['rest_base'] = $base;
	}

	$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
	$data    = $this->add_additional_fields_to_object( $data, $request );
	$data    = $this->filter_response_by_context( $data, $context );

	// Wrap the data in a response object.
	$response = rest_ensure_response( $data );

	$response->add_links(
		array(
			'collection'              => array(
				'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
			),
			'https://api.w.org/items' => array(
				'href' => rest_url( sprintf( 'wp/v2/%s', $base ) ),
			),
		)
	);

	/**
	 * Filters a post type returned from the API.
	 *
	 * Allows modification of the post type data right before it is returned.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_REST_Response $response  The response object.
	 * @param WP_Post_Type     $post_type The original post type object.
	 * @param WP_REST_Request  $request   Request used to generate the response.
	 */
	return apply_filters( 'rest_prepare_post_type', $response, $post_type, $request );
}