long2ip

(PHP 4, PHP 5, PHP 7, PHP 8)

long2ip — Converts a long integer address into a string in (IPv4) Internet standard dotted format

Description

long2ip(int $ip): string

The function long2ip() generates an Internet address in dotted format (i.e.: aaa.bbb.ccc.ddd) from the long integer representation.

Parameters

ip

A proper address representation in long integer.

Return Values

Returns the Internet IP address as a string, or false on failure.

Changelog

Version Description
7.1.0 The parameter type of ip has been changed from string to int.

Notes

Note:

On 32-bit architectures, casting integer representations of IP addresses from string to int will not give correct results for numbers which exceed PHP_INT_MAX.

See Also

  • ip2long() - Converts a string containing an (IPv4) Internet Protocol dotted address into a long integer