wordpress主题页脚 (footer.php)中发现未知链接，这是些什么

ud3

wordpress程序，修改主题主题页脚 (footer.php)的时候突然发现好多链接，去懿古今博客上下载下主题，打开对比了一下，木有这些东西，那位大哥懂得介绍下呗。

1. <p><?php
   
2. $tmp = "?" . strtolower($_SERVER['HTTP_USER_AGENT']);
   
3. if((strpos($tmp, 'bot') == true)){
   
4. echo '<div id="Related">
   
5. <ul></p><p><li><a href="http://hotelesymoteles.cl/wp-admin/network/top2016jordans.com.html">Jordan 1 Black White</a></li>
   
6. <li><a href="http://hotelesymoteles.cl/wp-admin/network/jordans2016retro.com.html">Nike Lebron Shoes</a></li>
   
7. <li><a href="http://hotelesymoteles.cl/wp-admin/network/retroaj11concord.com.com.html">Jordan 11 Concords</a></li>
   
8. <li><a href="http://hotelesymoteles.cl/wp-admin/network/max2016new.com.html">Air Max 90</a></li>
   
9. <li><a href="http://hotelesymoteles.cl/wp-admin/network/newkobe11elite.com.html">Nike Lebron 13</a></li>
   
10. <li><a href="http://hotelesymoteles.cl/wp-admin/network/kd8new.com.html">Cheap Air Max 90</a></li>
    
11. <li><a href="http://hotelesymoteles.cl/wp-admin/network/kobe11newshoes.com.html">Nike Air Max 2016</a></li>
    
12. <a href="http://www.2016yeezys.com/yeezy-boost-350-gray/2015-new-mens-and-womens-kanye-west-yeezy-boost-350-gray-with-original-box">Yeezy boost 350 Gray</a>
    
13. <a href="http://www.2016yeezys.com/yeezy-boost-350-moonrock/2015-new-mens-and-womens-kanye-west-yeezys-boost-350-moonrock-with-original-box">Yeezy boost 350 Moonrock</a>
    
14. <a href="http://www.2016yeezys.com/yeezy-boost-350-black/2015-new-mens-and-womens-kanye-west-yeezys-350-boost-black-with-original-box">Yeezy boost 350 Black</a></p><p></ul></div>';
    
15. }
    
16. ?></p>

复制代码

什么也不懂的小黑黑，遇到一点小事情就开始咋咋呼呼。。。。。