<?php namespace RT\ThePostGrid\Controllers\Api; use RT\ThePostGrid\Helpers\Fns; class ImageSizeV1{ public function __construct(){ add_action("rest_api_init", [$this, 'register_image_size_route']); } public function register_image_size_route(){ register_rest_route( 'rttpg/v1', 'image-size',array( 'methods' => 'GET', 'callback' => [$this, 'get_image_sizes'], 'permission_callback' => function() { return true; } )); } public function get_image_sizes(){ $data = Fns::get_all_image_sizes_guten(); return rest_ensure_response($data); } }