ACF_To_REST_API_Controller::get_field_objects PHP Метод

        protected function get_field_objects($id)
        {
            if (empty($id)) {
                return false;
            }
            $fields = array();
            $fields_tmp = array();
            if (function_exists('acf_get_field_groups') && function_exists('acf_get_fields') && function_exists('acf_extract_var')) {
                $field_groups = acf_get_field_groups(array('post_id' => $id));
                if (is_array($field_groups) && !empty($field_groups)) {
                    foreach ($field_groups as $field_group) {
                        $field_group_fields = acf_get_fields($field_group);
                        if (is_array($field_group_fields) && !empty($field_group_fields)) {
                            foreach (array_keys($field_group_fields) as $i) {
                                $fields_tmp[] = acf_extract_var($field_group_fields, $i);
                            }
                        }
                    }
                }
            } else {
                if (strpos($id, 'user_') !== false) {
                    $filter = array('ef_user' => str_replace('user_', '', $id));
                } elseif (strpos($id, 'taxonomy_') !== false) {
                    $filter = array('ef_taxonomy' => str_replace('taxonomy_', '', $id));
                } else {
                    $filter = array('post_id' => $id);
                }
                $field_groups = apply_filters('acf/location/match_field_groups', array(), $filter);
                $acfs = apply_filters('acf/get_field_groups', array());
                if (is_array($acfs) && !empty($acfs) && is_array($field_groups) && !empty($field_groups)) {
                    foreach ($acfs as $acf) {
                        if (in_array($acf['id'], $field_groups)) {
                            $fields_tmp = array_merge($fields_tmp, apply_filters('acf/field_group/get_fields', array(), $acf['id']));
                        }
                    }
                }
            }
            if (is_array($fields_tmp) && !empty($fields_tmp)) {
                foreach ($fields_tmp as $field) {
                    if (is_array($field) && isset($field['name'])) {
                        $fields[$field['name']] = $field;
                    }
                }
            }
            return $fields;
        }