计算是否处在同一子网下的php脚本
- WBOYOriginal
- 2016-06-13 10:22:031082browse
/*
如:192.16.1.13
与:255.255.255.0
进行,,与算,,要求出它为192.16.1.0
*/
$ip = "192.16.1.13";
echo get_net($ip,"255.255.255.0");
function get_net($ip,$hide="255.255.255.255") {
$a = explode(".",$ip);
$b = explode(".",$hide);
for($i=0;$i $r[$i] = (int)$a[$i] & (int)$b[$i];
return join(".",$r);
}
?>
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