Binary IP
Tuesday 19th May, 2009
A little bit pointless perhaps, but just a quick little script to convert a users IP address into a binary IP - I can't even recall why I wrote this, but here it is anyway:
Code
// get users IP address
$ip = $_SERVER [ 'REMOTE_ADDR' ];
// convert IP into an array
$ip_array = explode('.', $ip);
// calculate binary version of IP address
$ip_binary = (16777216*$ip_array[0]) + (65536*$ip_array[1]) + (256*$ip_array[2]) + $ip_array[3];
// output the binary IP
echo $ip_binary;
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