PHP | inet_pton() Function

Last Updated : 05 Sep, 2019

The inet_pton() function is an inbuilt function in PHP which converts a readable format IP address into a packed 32bit IPv4 or 128bit IPv6 address.

Syntax:

string inet_pton( string $ip_address )

Parameters: This function accepts single parameter as mentioned above and described below:

$ip_address: It is required parameter. It specifies the readable IP address.

Return Value: This function returns a packed 32bit IPv4 or 128bit IPv6 address on success and FALSE on failure.

Note:

This function is available for PHP 5.1.0 and newer version.
Output of the following examples may differ in this page and actual output. So please see output screenshots.

Below programs illustrate the inet_pton() function in PHP:

Program 1:

<?php 
  
// Use inet_pton() function on IP 
// address and get result 
$addr = inet_pton("127.0.1.1"); 
  
echo $addr; 
  
?> 

Output:

Program 2:

<?php 
  
echo inet_pton("".gethostbyname("www.google.com"))."<br>"; 
echo inet_pton("".gethostbyname("www.youtube.com"))."<br>"; 
echo inet_pton("".gethostbyname("www.facebook.com"))."<br>"; 
echo inet_pton("".gethostbyname("www.geeksforgeeks.org"))."<br>"; 
echo inet_pton("".gethostbyname("php.net"))."<br>"; 
  
?> 