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inet_ntop

(PHP 5 >= 5.1.0, PHP 7)

inet_ntop — Converts a packed internet address to a human readable representation

Description

inet_ntop ( string $in_addr ) : string|false

This function converts a 32bit IPv4, or 128bit IPv6 address (if PHP was built with IPv6 support enabled) into an address family appropriate string representation.

Parameters

in_addr

A 32bit IPv4, or 128bit IPv6 address.

Return Values

Returns a string representation of the address or false on failure.

Examples

Example #1 inet_ntop() Example

<?php
$packed = chr(127) . chr(0) . chr(0) . chr(1);
$expanded = inet_ntop($packed);

/* Outputs: 127.0.0.1 */
echo $expanded;

$packed = str_repeat(chr(0), 15) . chr(1);
$expanded = inet_ntop($packed);

/* Outputs: ::1 */
echo $expanded;
?>

See Also

  • long2ip() - Converts an long integer address into a string in (IPv4) Internet standard dotted format
  • ip2long() - Converts a string containing an (IPv4) Internet Protocol dotted address into a long integer
  • inet_pton() - Converts a human readable IP address to its packed in_addr representation

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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.inet-ntop.php