Network Functions
PHP Manual

inet_ntop

Converts a packed internet address to a human readable representation

Description

stringfalse inet_ntop(string $ip)

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

ip

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
  • ip2long
  • inet_pton