实际上是毫无作用的函数了~因为现在的域名商都很滑。很多域名只要注册了，就算不使用也会被默认指向一个域名商的网址。所以即便探过去，都会返回一个200值。 = = 这也是没办法的事。
<span class="#000000"><font face="NSimsun"><span class="#0000CC"><?php <br />$url </span><span class="#006600">= </span><span class="#CC0000">''http://www.example.com''</span></font><font face="NSimsun"><span class="#006600">;<br><br></span><span class="#0000CC">print_r</span><span class="#006600">(</span><span class="#0000CC">get_headers</span><span class="#006600">(</span><span class="#0000CC">$url</span></font><font face="NSimsun"><span class="#006600">));<br><br></span><span class="#0000CC">print_r</span><span class="#006600">(</span><span class="#0000CC">get_headers</span><span class="#006600">(</span><span class="#0000CC">$url</span><span class="#006600">, </span><span class="#0000CC">1</span></font><font face="NSimsun"><span class="#006600">));<br></span><span class="#0000CC">?></span> </font></span>Array( [0] => HTTP/1.1 200 OK [1] => Date: Sat, 29 May 2004 12:28:13 GMT [2] => Server: Apache/1.3.27 (Unix) (Red-Hat/Linux) [3] => Last-Modified: Wed, 08 Jan 2003 23:11:55 GMT [4] => ETag: "3f80f-1b6-3e1cb03b" [5] => Accept-Ranges: bytes [6] => Content-Length: 438 [7] => Connection: close [8] => Content-Type: text/html)Array( [0] => HTTP/1.1 200 OK [Date] => Sat, 29 May 2004 12:28:14 GMT [Server] => Apache/1.3.27 (Unix) (Red-Hat/Linux) [Last-Modified] => Wed, 08 Jan 2003 23:11:55 GMT [ETag] => "3f80f-1b6-3e1cb03b" [Accept-Ranges] => bytes [Content-Length] => 438 [Connection] => close [Content-Type] => text/html)
//$fp = file_get_contents("http://www.163.com");
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$fp = fsockopen("www.selangsfer32.com", 80, $errno, $errstr, 30);
if (!$fp) {
echo "$errstr ($errno)
n";
exit;
}
?>
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