The long2ip() function is an inbuilt function in PHP which converts long integer into corresponding IPv4 address in string format.
Syntax:
string long2ip( int $ip_in_long )
Parameters: This function accepts single parameter as mentioned above and described below:
- $ip_in_long: It is required parameter. It specifies a long integer that represents an IP address.
Return Value: This function returns an IP address in string format.
Note: This function is available on PHP 4.0.0 and newer versions.
Below programs illustrate the long2ip() function in PHP:
Program 1:
<?php   // Use long2ip() function to converts // long integer address into a string // format echo(long2ip(344294967296)); ?> |
Output:
41.148.72.0
Program 2:
<?php   // Store the long integer address in an array $hosts = array( 874081766, 3627733732, 3627734286,                 520968740, 2539994370, 2539979077);   $out = "List of IP addresses:";   foreach( $hosts as $host ) {           $ip = long2ip($host);     $hostname = gethostbyaddr($ip);       }   echo $out;   ?> |
Output:
List of IP addresses:
https://874081766/ https://52.25.109.230/
https://ec2-52-25-109-230.us-west-2.compute.amazonaws.com/
https://3627733732/ https://216.58.210.228/ https://mrs04s10-in-f228.1e100.net/
https://3627734286/ https://216.58.213.14/ https://lhr25s25-in-f14.1e100.net/
https://520968740/ https://31.13.90.36/ https://edge-star-mini-shv-01-lhr3.facebook.com/
https://2539994370/ https://151.101.61.2/ https://151.101.61.2/
https://2539979077/ https://151.101.1.69/ https://151.101.1.69/
Reference: https://www.php.net/manual/en/function.long2ip.php
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