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|false

    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

    VersionDescription
    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
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