wp-includes/rest-api/endpoints/class-wp-rest-icons-controller.php:187Retrieves a specific icon.
$requestWP_REST_RequestWP_REST_Response|WP_Error public function get_item( $request ) { $icon = $this->get_icon( $request['name'] ); if ( is_wp_error( $icon ) ) { return $icon; } $data = $this->prepare_item_for_response( $icon, $request ); return rest_ensure_response( $data ); }Introduced in 7.0.0. Unchanged from 7.0.4 through 7.1.0.
Signature, return type and hooks compared across 2 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-icons-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.