ip2long
Converts a string containing an (IPv4) Internet Protocol dotted address
into a proper address.
Description
intip2long
stringip_address
The function ip2long generates an IPv4 Internet
network address from its Internet standard format (dotted string)
representation.
<function>ip2long</function> Example
\n";
$out .= "http://www.example.com/, http://".$ip."/, and http://".sprintf("%u",ip2long($ip))."/
\n";
echo $out;
?>
]]>
Because PHP's integer type is signed, and many IP addresses will
result in negative integers, you need to use the "%u" formatter of
sprintf or printf to get
the string representation of the unsigned IP address.
This second example shows how to print a converted address with the
printf function :
Displaying an IP address
]]>
See also: long2ip