1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
<?
function checksum2ip($checksum)
{
if(!ereg('^[[:digit:]]+$', $checksum))
return false;
$seq = array();
$checksum = base_convert($checksum, 10, 16);
if(strlen($checksum) != 8)
return false;
$seq[] = base_convert(substr($checksum, 0, 2), 16, 10);
$seq[] = base_convert(substr($checksum, 2, 2), 16, 10);
$seq[] = base_convert(substr($checksum, 4, 2), 16, 10);
$seq[] = base_convert(substr($checksum, 6, 2), 16, 10);
return printf('%s.%s.%s.%s', $seq[0], $seq[1], $seq[2], $seq[3]);
}
?>
|
Informations rapides
