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ip2long
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ip2long

Name

ip2long — Converts a dotted-quad address into a decimal, IPv4 network address.

Synopsis

int ip2long(ip_address); string ip_address: IPv4 dotted-quad address

Returns

Signed integer

Description

ip2long() converts a dotted-quad format IP address (xxx.xxx.xxx.xxx) to a decimal, IPv4 network address. Add pow(2,32) (4,294,967,296) to "unsign" the value.

Version

PHP Version: 4.0b4+

Example

Example 842. Convert an IP address from one format to another

$IP = '63.69.110.220';
// We add 2^32 (4,294,967,296) to unsign the value
echo "The dotted-quad format IP address $IP is equivalent to ", ip2long ($IP) + pow(2,32);

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