判断WebSERVER类型_PHP教程

function WebServerSpy($ServerURL)
{
$filepointer = fsockopen($ServerURL,80,&$errno,&$errstr);
if(!$filepointer)
{
$WebServer="Error: $errstr ($errno)
";
}
else
{
fputs($filepointer,"GET / HTTP/1.0 ");
while(!feof($filepointer))
{
$WebServer=fgets($filepointer,4096);
if (ereg("^Server:",$WebServer))
{
$WebServer=trim(ereg_replace("^Server:","",$WebServer));
break;
}
}
fclose($filepointer);
}
return($WebServer);
}
?>
if ($ServerURL<>"") { $WebServer=WebServerSpy($ServerURL); }
?>





if ($WebServer<>"" and $ServerURL<>"")
{
echo("

Server $ServerURL is running $WebServer.

");

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