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(PHP 4, PHP 5, PHP 7)

long2ipConverts an long integer address into a string in (IPv4) Internet standard dotted format


long2ip ( int $proper_address ) : string

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



A proper address representation in long integer.

Return Values

Returns the Internet IP address as a string.


Version Description
7.1.0 The parameter type of proper_address has been changed from string to integer.



On 32-bit architectures, casting integer representations of IP addresses from string to integer 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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