251 lines
7.1 KiB
PHP
251 lines
7.1 KiB
PHP
<?php
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/**
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* REST API: WP_REST_Icons_Controller class
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 7.0.0
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*/
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/**
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* Controller which provides a REST endpoint for the editor to read registered
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* icons. For the time being, only core icons are available, which are defined
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* in a single manifest file (wp-includes/assets/icon-library-manifest.php).
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* Icons are comprised of their SVG source, a name and a translatable label.
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*
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* @since 7.0.0
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*
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* @see WP_REST_Controller
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*/
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class WP_REST_Icons_Controller extends WP_REST_Controller {
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/**
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* Constructs the controller.
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*/
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public function __construct() {
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$this->namespace = 'wp/v2';
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$this->rest_base = 'icons';
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}
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/**
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* Registers the routes for the objects of the controller.
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*/
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public function register_routes() {
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base,
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_items' ),
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'permission_callback' => array( $this, 'get_items_permissions_check' ),
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'args' => $this->get_collection_params(),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base . '/(?P<name>[a-z][a-z0-9-]*/[a-z][a-z0-9-]*)',
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array(
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'args' => array(
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'name' => array(
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'description' => __( 'Icon name.' ),
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'type' => 'string',
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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_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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'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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* Checks whether a given request has permission to read icons.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
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*/
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public function get_items_permissions_check(
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// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
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$request
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) {
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if ( current_user_can( 'edit_posts' ) ) {
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return true;
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}
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foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
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if ( current_user_can( $post_type->cap->edit_posts ) ) {
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return true;
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}
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}
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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 the registered icons.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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/**
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* Checks if a given request has access to read a specific icon.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise.
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*/
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public function get_item_permissions_check( $request ) {
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$check = $this->get_items_permissions_check( $request );
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if ( is_wp_error( $check ) ) {
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return $check;
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}
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return true;
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}
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/**
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* Retrieves all icons.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function get_items( $request ) {
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$response = array();
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$search = $request->get_param( 'search' );
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$icons = WP_Icons_Registry::get_instance()->get_registered_icons( $search );
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foreach ( $icons as $icon ) {
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$prepared_icon = $this->prepare_item_for_response( $icon, $request );
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$response[] = $this->prepare_response_for_collection( $prepared_icon );
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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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* Retrieves a specific icon.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function get_item( $request ) {
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$icon = $this->get_icon( $request['name'] );
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if ( is_wp_error( $icon ) ) {
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return $icon;
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}
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$data = $this->prepare_item_for_response( $icon, $request );
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return rest_ensure_response( $data );
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}
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/**
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* Retrieves a specific icon from the registry.
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*
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* @param string $name Icon name.
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* @return array|WP_Error Icon data on success, or WP_Error object on failure.
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*/
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public function get_icon( $name ) {
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$registry = WP_Icons_Registry::get_instance();
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$icon = $registry->get_registered_icon( $name );
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if ( null === $icon ) {
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return new WP_Error(
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'rest_icon_not_found',
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sprintf(
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// translators: %s is the name of any user-provided name
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__( 'Icon not found: "%s".' ),
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$name
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),
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array( 'status' => 404 )
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);
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}
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return $icon;
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}
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/**
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* Prepare a raw icon before it gets output in a REST API response.
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*
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* @param array $item Raw icon as registered, before any changes.
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* @param WP_REST_Request $request Request object.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function prepare_item_for_response( $item, $request ) {
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$fields = $this->get_fields_for_response( $request );
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$keys = array(
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'name' => 'name',
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'label' => 'label',
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'content' => 'content',
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);
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$data = array();
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foreach ( $keys as $item_key => $rest_key ) {
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if ( isset( $item[ $item_key ] ) && rest_is_field_included( $rest_key, $fields ) ) {
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$data[ $rest_key ] = $item[ $item_key ];
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}
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}
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$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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return rest_ensure_response( $data );
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}
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/**
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* Retrieves the icon schema, conforming to JSON Schema.
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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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'$schema' => 'http://json-schema.org/draft-04/schema#',
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'title' => 'icon',
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'type' => 'object',
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'properties' => array(
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'name' => array(
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'description' => __( 'The icon name.' ),
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'type' => 'string',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'label' => array(
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'description' => __( 'The icon label.' ),
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'type' => 'string',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'content' => array(
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'description' => __( 'The icon content (SVG markup).' ),
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'type' => 'string',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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),
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);
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$this->schema = $schema;
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return $this->add_additional_fields_schema( $this->schema );
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}
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/**
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* Retrieves the query params for the icons collection.
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*
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* @return array Collection parameters.
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*/
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public function get_collection_params() {
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$query_params = parent::get_collection_params();
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$query_params['context']['default'] = 'view';
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return $query_params;
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}
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}
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