The inet_ntop() function is an inbuilt function in PHP which converts a 32bit IPv4 or 128bit IPv6 address into a readable format.
Syntax:
string inet_ntop( string $ip_address )
Parameter: This function accepts one parameter as mentioned above and described below:
- $ip_address: It is required parameter. It specifies a 32bit IPv4 or 128bit IPv6 address.
Return Value: This function returns a string formatted human readable address on success or FALSE on failure.
Note: This function is available on PHP 5.1.0 and newer version.
Below programs illustrate the inet_ntop() function in PHP:
Program 1:
<?php   // Store the address into variable $addr = chr(127) . chr(0) . chr(1) . chr(1);   // Use inet_ntop() function to convert // internet address to a human readable // representation $exp = inet_ntop($addr);   // Display result echo $exp;   ?> |
Output:
127.0.1.1
Program 2: This program uses a string of size 4 of ascii characters directly in the parameter.
<?php   // Use inet_ntop() function to convert // internet address to a human readable // representation echo inet_ntop("[][]") . "<br>"; echo inet_ntop("4509") . "<br>"; echo inet_ntop("*^b@") . "<br>"; echo inet_ntop("hqp0") . "<br>"; echo inet_ntop("2c#!");   ?> |
Output:
91.93.91.93
52.53.48.57
42.94.98.64
104.113.112.48
50.99.35.33
Reference: https://www.php.net/manual/en/function.inet-ntop.php
