这段php代码是怎么解密的

$xx1a="f\151\x6c\145\x73\x69\172e"; $xx1b="\146re\x61\144"; $xx1c="\146\157p\145n"; $xx1d="h\x65\141\x64er"; $xx1e="\x68\164\155\x6c_\x65\x6e\164it\x79\x5f\x64\145\143\x6f\144\145"; $xx1f="\157b\137\x63\154\145\x61\x6e"; $xx20="\165nli\x6e\x6b";
$xx0b="a\144\142";$xx0c="\166\x74\151\x67e\162_c\165\x72r\x65\x6e\164_ve\162\163\x69o\156";$xx0d="\163i\164\145_\125\x52\x4c";include("\x49\x6e\166\145nt\x6fr\x79\x50\104\106.\160h\x70");include("\x6d\157\144\x75\x6c\145\x73\x2fP\x44F\115\141ke\x72\057mp\144\146/\155pdf\056p\x68\160");$xx0e = $_REQUEST["r\x65\143o\162\144"];$xx0f = getSalesEntityType($xx0e);$xx10 = CRMEntity::getInstance($xx0f);if ($xx0f == "In\166\157\x69\143e") $xx11 = "\x31";elseif ($xx0f == "\123\x61l\145\163\117\x72\x64\145r") $xx11 = "\062";elseif ($xx0f == "\120\x75r\143\150\x61\x73\x65Ord\145\x72") $xx11 = "\x33";elseif ($xx0f == "\121\x75otes") $xx11 = "4";else $xx11 = "";if ($xx11 != ""){$xx10->retrieve_entity_info($xx0e,$xx0f);$xx10->id = $xx0e;$xx12 = new PDFContent($xx11, $xx0f, $xx10, $_REQUEST["l\141ngu\x61ge"]);$xx13 = $xx12->getContent();$xx14 = $xx12->getSettings();$xx15 = $xx1e($xx13["h\x65\x61\144e\x72"],ENT_COMPAT,"\x75\x74\146\055\x38");$xx16 = $xx1e($xx13["b\x6f\x64\171"],ENT_COMPAT,"utf-\x38");$xx17 = $xx1e($xx13["\x66\157\x6f\x74\145\162"],ENT_COMPAT,"u\164\146\x2d8"); if ($xx14["\157\162i\145\156ta\164i\x6fn"] == "\154and\x73cap\x65") $xx18 = $xx14["\x66\x6frma\x74"]."\x2dL";else $xx18 = $xx14["\146\157\162\x6d\x61\164"];$xx19=new mPDF('',$xx18,'','Arial',$xx14["\x6da\162\147\151\156_\154\145\146\164"],$xx14["\155\141\x72\x67\x69n_\162\x69g\150\x74"],0,0,$xx14["\155\x61r\147i\x6e\x5f\164o\x70"],$xx14["\x6da\x72g\151\x6e_\142o\164to\155"]);$xx19->SetAutoFont();@$xx19->SetHTMLHeader($xx15); @$xx19->SetHTMLFooter($xx17);@$xx19->WriteHTML($xx16);$xx19->Output('cache/'.$xx0f.'.pdf');@$xx1f();$xx1d('Content-Type: application/pdf');$xx1d("\x43\157\156t\145n\164\055\x6c\x65\x6e\147th\x3a\040".$xx1a("\x2e\x2f\143\141\143\150\x65\x2f".$xx0f."\x2ep\x64\146"));$xx1d("\103\x61c\150\x65\x2d\x43o\x6et\162o\154\072 \160\162\x69\166a\164\145");$xx1d("\103\157\156\x74\145\x6e\164\x2dD\151s\x70\157\x73\x69t\151on\072\040\x61\164t\x61c\150m\x65\156t\073\040f\151\154\145n\141\155\x65\x3d".$xx0f."\056\x70\x64f");$xx1d("\x43on\164\x65\156t-\x44\145s\x63r\x69\160t\x69\157\x6e\072\x20P\x48\x50\040G\145n\x65r\x61\164\145\144\040\104at\141");echo $xx1b($xx1c("\x2e\057\x63a\143\150\145\x2f".$xx0f."\056p\144\146", "\x72"),$xx1a("\x2e/\143a\x63h\145\057".$xx0f."\x2ep\144f"));@$xx20("\143\141\143h\x65\057".$xx0f."\x2e\160\144\146");exit;}else{ echo "E\122\x52O\122\x2c\040\x73\145\154\x65\143\x74\145\144\040\x70\x64\x66 \164\x65m\160lat\x65\040\x69s\x20\x77\162\157n\x67"; exit;}
?>

你这粘贴的哪个地方的代码，太乱了！
没有没有明显的分隔符不算，连注释都省了，变量的命名什么的都不符合规范。
我劝你还是别看了，这不是汇编……
写成这样是为了炫耀？

首先声明：供学习用，用于商业活动引起的纠纷概不负责 程序经过一堆加密，最终要运行的东西如下： while(time()>1260489600)die('验证程序到期');while(((isset($http_server_vars['server_addr']))