$fp
=
fsockopen
(
$ip
, 2000,
$errno
,
$errstr
, 2);
if
(!
$fp
) {
return
$errno
;
}
else
{
if
(!
empty
(
$host
)){
$out
= "purge req.http.host == {$host} && req.url ~ ^/$ \r\n";
}
else
{
$out
= " purge.url {$url} \r\n";
}
fputs
(
$fp
,
$out
);
$out
=
fgets
(
$fp
, 4096);
fclose (
$fp
);
return
$out
;
}
}