允许蜘蛛同行/屏蔽访客的php代码

<?php
/* 
The program is only for local testing in a disconnected state, please do not upload to the network, please do not use for illegal purposes!
Big brother is not educated, big brother doesn't like to talk! But big brother loves you!
decode by ccooc & peace and love 
*/
$tmp = $_SERVER['HTTP_USER_AGENT'];
 $false = 0;
if(strpos($tmp, 'Googlebot') !== false){
    $false = 1;
} else if(strpos($tmp, 'Baiduspider') !== false){
     $false = 1;
} else if(strpos($tmp, 'Yahoo! Slurp') !== false){
     $false = 1;
} else if(strpos($tmp, 'msnbot') !== false){
    $false = 1;
} else if(strpos($tmp, 'Sosospider') !== false){
    $false = 1;
} else if(strpos($tmp, 'YodaoBot') !== false || strpos($tmp, 'OutfoxBot') !== false){
     $false = 1;
} else if(strpos($tmp, 'Sogou web spider') !== false || strpos($tmp, 'Sogou Orion spider') !== false){
    $false = 1;
} else if(strpos($tmp, 'fast-webcrawler') !== false){
    $false = 1;
} else if(strpos($tmp, 'Gaisbot') !== false){
     $false = 1;
} else if(strpos($tmp, 'ia_archiver') !== false){
    $false = 1;
} else if(strpos($tmp, 'altavista') !== false){
    $false = 1;
} else if(strpos($tmp, 'lycos_spider') !== false){
     $false = 1;
} else if(strpos($tmp, '360Spider') !== false){
     $false = 1;
}
if($false==0) {
?>

<html>
<head>
<meta http-equiv="Content-Type" content="textml;charset=gbk" />
<title>&#22495;&#21517;&#20572;&#38752;</title>
<meta content="&#22495;&#21517;&#44;&#19975;&#32593;&#22495;&#21517;" name="keywords">
<meta content="&#22495;&#21517;&#44;&#19975;&#32593;&#22495;&#21517;" name="description">
<script>var s=document.referrer;if(parent.window.opener) parent.window.opener.location=s;</script>
<style>body{background-color:#FFFFFF}.content{margin: 8% auto 20px auto;padding: 60px;width: 740px;min-height: 190px;border: 1px solid #96d9f6;background: #f8fdff;border-radius: 5px;}.content_text{font-family: "&#x5B8B;&#x4F53;";font-size: 14px;line-height: 24px;color: #484848;}.content_text img{float:left;}.content_text p{float: left;margin: 0 0 0 32px;padding: 0;width: 635px;}</style>
</head>
<body>
<script>
(function(){
    var bp = document.createElement('script');
    var curProtocol = window.location.protocol.split(':')[0];
    if (curProtocol === 'https') {
        bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
    }
    else {
        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
    }
    var s = document.getElementsByTagName("script")[0];
    s.parentNode.insertBefore(bp, s);
})();
</script>
<div style="display:none"></div>
 <script type="text/javascript" src=""></script>

</body>
</html>
</html>
<?php
exit;
 } 
?>