Добавление тизера Sape в виджеты Wordpress (шорткод)

wp_sape_teaser.php

<?php
/*
Plugin Name: Sape Teaser for WordPress
Plugin URI: #
Description: Шорткод тизера Sape [sape_teaser block_id="564132" _SAPE_USER="13163sdfr4489fjf"]
Version: 1.0
Author: Max K
Author URI: http://maxim-kaminsky.com/ru/
*/

// Enable shortcodes in text widgets
add_filter('widget_text','do_shortcode');

add_shortcode('sape_teaser', 'render_sape_teaser564563');

function render_sape_teaser564563( $args ) {
	if ( empty($args['block_id']) || empty($args['_SAPE_USER']) ) {
		return;		
	}	

	defined('_SAPE_USER') || define('_SAPE_USER', $args['_SAPE_USER']);
  
	require_once(ABSPATH .'/' ._SAPE_USER . '/sape.php');

	//замените 'UTF-8' на 'windows-1251' если основная кодировка сайт windows-1251
	$sape = new SAPE_client(array('charset' => 'UTF-8'));
	return $sape->return_teasers_block( $args['block_id'] );
}