Docs: Add much more complete and syntactically correct documentation throughout the WP_REST_Terms_Controller class.

Props Soean, mrahmadawais, flixos90.
See #38398.

Built from https://develop.svn.wordpress.org/trunk@39033


git-svn-id: http://core.svn.wordpress.org/trunk@38975 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php

@@ -1,13 +1,25 @@
 <?php
+/**
+ * REST API: WP_REST_Terms_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
 
 /**
- * Access terms associated with a taxonomy.
+ * Core class used to managed terms associated with a taxonomy via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Controller
  */
 class WP_REST_Terms_Controller extends WP_REST_Controller {
 
 	/**
 	 * Taxonomy key.
 	 *
+	 * @since 4.7.0
 	 * @access protected
 	 * @var string
 	 */
@@ -16,6 +28,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Instance of a term meta fields object.
 	 *
+	 * @since 4.7.0
 	 * @access protected
 	 * @var WP_REST_Term_Meta_Fields
 	 */
@@ -24,6 +37,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Column to have the terms be sorted by.
 	 *
+	 * @since 4.7.0
 	 * @access protected
 	 * @var string
 	 */
@@ -32,6 +46,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Number of terms that were found.
 	 *
+	 * @since 4.7.0
 	 * @access protected
 	 * @var int
 	 */
@@ -40,6 +55,9 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Constructor.
 	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
 	 * @param string $taxonomy Taxonomy key.
 	 */
 	public function __construct( $taxonomy ) {
@@ -53,6 +71,11 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 
 	/**
 	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
+	 * @see register_rest_route()
 	 */
 	public function register_routes() {
 
@@ -71,6 +94,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 			),
 			'schema' => array( $this, 'get_public_item_schema' ),
 		) );
+
 		register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<id>[\d]+)', array(
 			array(
 				'methods'             => WP_REST_Server::READABLE,
@@ -104,8 +128,11 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Checks if a request has access to read terms in the specified taxonomy.
 	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
 	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
+	 * @return bool|WP_Error True if the request has read access, otherwise false or WP_Error object.
 	 */
 	public function get_items_permissions_check( $request ) {
 		$tax_obj = get_taxonomy( $this->taxonomy );
@@ -119,20 +146,25 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	}
 
 	/**
-	 * Gets terms associated with a taxonomy.
+	 * Retrieves terms associated with a taxonomy.
+	 *
+	 * @since 4.7.0
+	 * @access public
 	 *
 	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_REST_Response|WP_Error
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
 	 */
 	public function get_items( $request ) {
 
 		// Retrieve the list of registered collection query parameters.
 		$registered = $this->get_collection_params();
 
-		// This array defines mappings between public API query parameters whose
+		/*
-		// values are accepted as-passed, and their internal WP_Query parameter
+		 * This array defines mappings between public API query parameters whose
-		// name equivalents (some are the same). Only values which are also
+		 * values are accepted as-passed, and their internal WP_Query parameter
-		// present in $registered will be set.
+		 * name equivalents (some are the same). Only values which are also
+		 * present in $registered will be set.
+		 */
 		$parameter_mappings = array(
 			'exclude'    => 'exclude',
 			'include'    => 'include',
@@ -147,8 +179,10 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 
 		$prepared_args = array();
 
-		// For each known parameter which is both registered and present in the request,
+		/*
-		// set the parameter's value on the query $prepared_args.
+		 * For each known parameter which is both registered and present in the request,
+		 * set the parameter's value on the query $prepared_args.
+		 */
 		foreach ( $parameter_mappings as $api_param => $wp_param ) {
 			if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {
 				$prepared_args[ $wp_param ] = $request[ $api_param ];
@@ -177,10 +211,14 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		/**
 		 * Filters the query arguments before passing them to get_terms().
 		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
 		 * Enables adding extra arguments or setting defaults for a terms
 		 * collection request.
 		 *
-		 * @see https://developer.wordpress.org/reference/functions/get_terms/
+		 * @since 4.7.0
+		 *
+		 * @link https://developer.wordpress.org/reference/functions/get_terms/
 		 *
 		 * @param array           $prepared_args Array of arguments to be
 		 *                                       passed to get_terms().
@@ -198,15 +236,18 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		}
 
 		$count_args = $prepared_args;
+
 		unset( $count_args['number'], $count_args['offset'] );
+
 		$total_terms = wp_count_terms( $this->taxonomy, $count_args );
 
-		// wp_count_terms can return a falsy value when the term has no children
+		// wp_count_terms can return a falsy value when the term has no children.
 		if ( ! $total_terms ) {
 			$total_terms = 0;
 		}
 
 		$response = array();
+
 		foreach ( $query_result as $term ) {
 			$data = $this->prepare_item_for_response( $term, $request );
 			$response[] = $this->prepare_response_for_collection( $data );
@@ -219,21 +260,26 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		$page     = ceil( ( ( (int) $prepared_args['offset'] ) / $per_page ) + 1 );
 
 		$response->header( 'X-WP-Total', (int) $total_terms );
+
 		$max_pages = ceil( $total_terms / $per_page );
+
 		$response->header( 'X-WP-TotalPages', (int) $max_pages );
 
 		$base = add_query_arg( $request->get_query_params(), rest_url( $this->namespace . '/' . $this->rest_base ) );
 		if ( $page > 1 ) {
 			$prev_page = $page - 1;
+
 			if ( $prev_page > $max_pages ) {
 				$prev_page = $max_pages;
 			}
+
 			$prev_link = add_query_arg( 'page', $prev_page, $base );
 			$response->link_header( 'prev', $prev_link );
 		}
 		if ( $max_pages > $page ) {
 			$next_page = $page + 1;
 			$next_link = add_query_arg( 'page', $next_page, $base );
+
 			$response->link_header( 'next', $next_link );
 		}
 
@@ -243,8 +289,11 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Checks if a request has access to read the specified term.
 	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
 	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
+	 * @return bool|WP_Error True if the request has read access for the item, otherwise false or WP_Error object.
 	 */
 	public function get_item_permissions_check( $request ) {
 		$tax_obj = get_taxonomy( $this->taxonomy );
@@ -260,15 +309,20 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Gets a single term from a taxonomy.
 	 *
-	 * @param WP_REST_Request $request Full details about the request
+	 * @since 4.7.0
-	 * @return WP_REST_Request|WP_Error
+	 * @access public
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
 	 */
 	public function get_item( $request ) {
 
 		$term = get_term( (int) $request['id'], $this->taxonomy );
+
 		if ( ! $term || $term->taxonomy !== $this->taxonomy ) {
 			return new WP_Error( 'rest_term_invalid', __( "Resource doesn't exist." ), array( 'status' => 404 ) );
 		}
+
 		if ( is_wp_error( $term ) ) {
 			return $term;
 		}
@@ -281,8 +335,11 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Checks if a request has access to create a term.
 	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
 	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
+	 * @return bool|WP_Error True if the request has access to create items, false or WP_Error object otherwise.
 	 */
 	public function create_item_permissions_check( $request ) {
 
@@ -301,8 +358,11 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Creates a single term in a taxonomy.
 	 *
-	 * @param WP_REST_Request $request Full details about the request
+	 * @since 4.7.0
-	 * @return WP_REST_Request|WP_Error
+	 * @access public
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
 	 */
 	public function create_item( $request ) {
 		if ( isset( $request['parent'] ) ) {
@@ -321,7 +381,6 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 
 		$term = wp_insert_term( $prepared_term->name, $this->taxonomy, $prepared_term );
 		if ( is_wp_error( $term ) ) {
-
 			/*
 			 * If we're going to inform the client that the term already exists,
 			 * give them the identifier for future use.
@@ -339,38 +398,50 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		/**
 		 * Fires after a single term is created or updated via the REST API.
 		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
+		 * @since 4.7.0
+		 *
 		 * @param WP_Term         $term     Inserted Term object.
 		 * @param WP_REST_Request $request  Request object.
-		 * @param boolean         $creating True when creating term, false when updating.
+		 * @param bool            $creating True when creating term, false when updating.
 		 */
 		do_action( "rest_insert_{$this->taxonomy}", $term, $request, true );
 
 		$schema = $this->get_item_schema();
 		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
 			$meta_update = $this->meta->update_value( $request['meta'], (int) $request['id'] );
+
 			if ( is_wp_error( $meta_update ) ) {
 				return $meta_update;
 			}
 		}
 
 		$fields_update = $this->update_additional_fields_for_object( $term, $request );
+
 		if ( is_wp_error( $fields_update ) ) {
 			return $fields_update;
 		}
 
 		$request->set_param( 'context', 'view' );
+
 		$response = $this->prepare_item_for_response( $term, $request );
 		$response = rest_ensure_response( $response );
+
 		$response->set_status( 201 );
 		$response->header( 'Location', rest_url( $this->namespace . '/' . $this->rest_base . '/' . $term->term_id ) );
+
 		return $response;
 	}
 
 	/**
 	 * Checks if a request has access to update the specified term.
 	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
 	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
+	 * @return bool|WP_Error True if the request has access to update the item, false or WP_Error object otherwise.
 	 */
 	public function update_item_permissions_check( $request ) {
 
@@ -379,6 +450,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		}
 
 		$term = get_term( (int) $request['id'], $this->taxonomy );
+
 		if ( ! $term ) {
 			return new WP_Error( 'rest_term_invalid', __( "Resource doesn't exist." ), array( 'status' => 404 ) );
 		}
@@ -393,8 +465,11 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Updates a single term from a taxonomy.
 	 *
-	 * @param WP_REST_Request $request Full details about the request
+	 * @since 4.7.0
-	 * @return WP_REST_Request|WP_Error
+	 * @access public
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
 	 */
 	public function update_item( $request ) {
 		if ( isset( $request['parent'] ) ) {
@@ -416,6 +491,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		// Only update the term if we haz something to update.
 		if ( ! empty( $prepared_term ) ) {
 			$update = wp_update_term( $term->term_id, $term->taxonomy, (array) $prepared_term );
+
 			if ( is_wp_error( $update ) ) {
 				return $update;
 			}
@@ -429,32 +505,41 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		$schema = $this->get_item_schema();
 		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
 			$meta_update = $this->meta->update_value( $request['meta'], (int) $request['id'] );
+
 			if ( is_wp_error( $meta_update ) ) {
 				return $meta_update;
 			}
 		}
 
 		$fields_update = $this->update_additional_fields_for_object( $term, $request );
+
 		if ( is_wp_error( $fields_update ) ) {
 			return $fields_update;
 		}
 
 		$request->set_param( 'context', 'view' );
+
 		$response = $this->prepare_item_for_response( $term, $request );
+
 		return rest_ensure_response( $response );
 	}
 
 	/**
 	 * Checks if a request has access to delete the specified term.
 	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
 	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
+	 * @return bool|WP_Error True if the request has access to delete the item, otherwise false or WP_Error object.
 	 */
 	public function delete_item_permissions_check( $request ) {
 		if ( ! $this->check_is_taxonomy_allowed( $this->taxonomy ) ) {
 			return false;
 		}
+
 		$term = get_term( (int) $request['id'], $this->taxonomy );
+
 		if ( ! $term ) {
 			return new WP_Error( 'rest_term_invalid', __( "Resource doesn't exist." ), array( 'status' => 404 ) );
 		}
@@ -462,14 +547,18 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		if ( ! current_user_can( 'delete_term', $term->term_id ) ) {
 			return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you cannot delete resource.' ), array( 'status' => rest_authorization_required_code() ) );
 		}
+
 		return true;
 	}
 
 	/**
 	 * Deletes a single term from a taxonomy.
 	 *
-	 * @param WP_REST_Request $request Full details about the request
+	 * @since 4.7.0
-	 * @return WP_REST_Response|WP_Error
+	 * @access public
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
 	 */
 	public function delete_item( $request ) {
 
@@ -481,10 +570,13 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		}
 
 		$term = get_term( (int) $request['id'], $this->taxonomy );
+
 		$request->set_param( 'context', 'view' );
+
 		$response = $this->prepare_item_for_response( $term, $request );
 
 		$retval = wp_delete_term( $term->term_id, $term->taxonomy );
+
 		if ( ! $retval ) {
 			return new WP_Error( 'rest_cannot_delete', __( 'The resource cannot be deleted.' ), array( 'status' => 500 ) );
 		}
@@ -492,6 +584,10 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		/**
 		 * Fires after a single term is deleted via the REST API.
 		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
+		 * @since 4.7.0
+		 *
 		 * @param WP_Term          $term     The deleted term.
 		 * @param WP_REST_Response $response The response data.
 		 * @param WP_REST_Request  $request  The request sent to the API.
@@ -504,6 +600,9 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Prepares a single term for create or update.
 	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
 	 * @param WP_REST_Request $request Request object.
 	 * @return object $prepared_term Term object.
 	 */
@@ -541,6 +640,10 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		/**
 		 * Filters term data before inserting term via the REST API.
 		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
+		 * @since 4.7.0
+		 *
 		 * @param object          $prepared_term Term object.
 		 * @param WP_REST_Request $request       Request object.
 		 */
@@ -550,38 +653,50 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Prepares a single term output for response.
 	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
 	 * @param obj             $item    Term object.
 	 * @param WP_REST_Request $request Request object.
-	 * @return WP_REST_Response $response
+	 * @return WP_REST_Response $response Response object.
 	 */
 	public function prepare_item_for_response( $item, $request ) {
 
 		$schema = $this->get_item_schema();
 		$data   = array();
+
 		if ( ! empty( $schema['properties']['id'] ) ) {
 			$data['id'] = (int) $item->term_id;
 		}
+
 		if ( ! empty( $schema['properties']['count'] ) ) {
 			$data['count'] = (int) $item->count;
 		}
+
 		if ( ! empty( $schema['properties']['description'] ) ) {
 			$data['description'] = $item->description;
 		}
+
 		if ( ! empty( $schema['properties']['link'] ) ) {
 			$data['link'] = get_term_link( $item );
 		}
+
 		if ( ! empty( $schema['properties']['name'] ) ) {
 			$data['name'] = $item->name;
 		}
+
 		if ( ! empty( $schema['properties']['slug'] ) ) {
 			$data['slug'] = $item->slug;
 		}
+
 		if ( ! empty( $schema['properties']['taxonomy'] ) ) {
 			$data['taxonomy'] = $item->taxonomy;
 		}
+
 		if ( ! empty( $schema['properties']['parent'] ) ) {
 			$data['parent'] = (int) $item->parent;
 		}
+
 		if ( ! empty( $schema['properties']['meta'] ) ) {
 			$data['meta'] = $this->meta->get_value( $item->term_id, $request );
 		}
@@ -597,8 +712,12 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		/**
 		 * Filters a term item returned from the API.
 		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
 		 * Allows modification of the term data right before it is returned.
 		 *
+		 * @since 4.7.0
+		 *
 		 * @param WP_REST_Response  $response  The response object.
 		 * @param object            $item      The original term object.
 		 * @param WP_REST_Request   $request   Request used to generate the response.
@@ -609,6 +728,9 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	/**
 	 * Prepares links for the request.
 	 *
+	 * @since 4.7.0
+	 * @access protected
+	 *
 	 * @param object $term Term object.
 	 * @return array Links for the given term.
 	 */
@@ -628,6 +750,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 
 		if ( $term->parent ) {
 			$parent_term = get_term( (int) $term->parent, $term->taxonomy );
+
 			if ( $parent_term ) {
 				$links['up'] = array(
 					'href'       => rest_url( trailingslashit( $base ) . $parent_term->term_id ),
@@ -637,21 +760,26 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		}
 
 		$taxonomy_obj = get_taxonomy( $term->taxonomy );
+
 		if ( empty( $taxonomy_obj->object_type ) ) {
 			return $links;
 		}
 
 		$post_type_links = array();
+
 		foreach ( $taxonomy_obj->object_type as $type ) {
 			$post_type_object = get_post_type_object( $type );
+
 			if ( empty( $post_type_object->show_in_rest ) ) {
 				continue;
 			}
+
 			$rest_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
 			$post_type_links[] = array(
 				'href' => add_query_arg( $this->rest_base, $term->term_id, rest_url( sprintf( 'wp/v2/%s', $rest_base ) ) ),
 			);
 		}
+
 		if ( ! empty( $post_type_links ) ) {
 			$links['https://api.w.org/post_type'] = $post_type_links;
 		}
@@ -660,9 +788,12 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 	}
 
 	/**
-	 * Gets the term's schema, conforming to JSON Schema.
+	 * Retrieves the term's schema, conforming to JSON Schema.
 	 *
-	 * @return array
+	 * @since 4.7.0
+	 * @access public
+	 *
+	 * @return array Item schema data.
 	 */
 	public function get_item_schema() {
 		$schema = array(
@@ -723,7 +854,9 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 				),
 			),
 		);
+
 		$taxonomy = get_taxonomy( $this->taxonomy );
+
 		if ( $taxonomy->hierarchical ) {
 			$schema['properties']['parent'] = array(
 				'description'  => __( 'The id for the parent of the resource.' ),
@@ -733,13 +866,17 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		}
 
 		$schema['properties']['meta'] = $this->meta->get_field_schema();
+
 		return $this->add_additional_fields_schema( $schema );
 	}
 
 	/**
-	 * Gets the query params for collections.
+	 * Retrieves the query params for collections.
 	 *
-	 * @return array
+	 * @since 4.7.0
+	 * @access public
+	 *
+	 * @return array Collection parameters.
 	 */
 	public function get_collection_params() {
 		$query_params = parent::get_collection_params();
@@ -753,12 +890,14 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 			'default'           => array(),
 			'sanitize_callback' => 'wp_parse_id_list',
 		);
+
 		$query_params['include'] = array(
 			'description'       => __( 'Limit result set to specific ids.' ),
 			'type'              => 'array',
 			'default'           => array(),
 			'sanitize_callback' => 'wp_parse_id_list',
 		);
+
 		if ( ! $taxonomy->hierarchical ) {
 			$query_params['offset'] = array(
 				'description'       => __( 'Offset the result set by a specific number of items.' ),
@@ -767,6 +906,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 				'validate_callback' => 'rest_validate_request_arg',
 			);
 		}
+
 		$query_params['order'] = array(
 			'description'       => __( 'Order sort attribute ascending or descending.' ),
 			'type'              => 'string',
@@ -778,6 +918,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 			),
 			'validate_callback' => 'rest_validate_request_arg',
 		);
+
 		$query_params['orderby'] = array(
 			'description'       => __( 'Sort collection by resource attribute.' ),
 			'type'              => 'string',
@@ -794,6 +935,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 			),
 			'validate_callback' => 'rest_validate_request_arg',
 		);
+
 		$query_params['hide_empty'] = array(
 			'description'       => __( 'Whether to hide resources not assigned to any posts.' ),
 			'type'              => 'boolean',
@@ -801,6 +943,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 			'sanitize_callback' => 'rest_sanitize_request_arg',
 			'validate_callback' => 'rest_validate_request_arg',
 		);
+
 		if ( $taxonomy->hierarchical ) {
 			$query_params['parent'] = array(
 				'description'       => __( 'Limit result set to resources assigned to a specific parent.' ),
@@ -809,25 +952,31 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 				'validate_callback' => 'rest_validate_request_arg',
 			);
 		}
+
 		$query_params['post'] = array(
 			'description'       => __( 'Limit result set to resources assigned to a specific post.' ),
 			'type'              => 'integer',
 			'default'           => null,
 			'validate_callback' => 'rest_validate_request_arg',
 		);
+
 		$query_params['slug'] = array(
 			'description'       => __( 'Limit result set to resources with a specific slug.' ),
 			'type'              => 'string',
 			'validate_callback' => 'rest_validate_request_arg',
 		);
+
 		return $query_params;
 	}
 
 	/**
 	 * Checks that the taxonomy is valid.
 	 *
+	 * @since 4.7.0
+	 * @access protected
+	 *
 	 * @param string $taxonomy Taxonomy to check.
-	 * @return WP_Error|boolean
+	 * @return bool Whether the taxonomy is allowed for REST management.
 	 */
 	protected function check_is_taxonomy_allowed( $taxonomy ) {
 		$taxonomy_obj = get_taxonomy( $taxonomy );

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-beta1-39032';
+$wp_version = '4.7-beta1-39033';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.