PHP long2ip() Function: Everything You Need to Know

As a PHP developer, you may need to convert a long integer representing an IP address to a human-readable format. The long2ip() function is a built-in function in PHP that allows you to convert a long integer to an IP address. In this article, we will take an in-depth look at the long2ip() function and its usage.

What is the long2ip() Function?

The long2ip() function is a PHP built-in function that allows you to convert a long integer representing an IP address to a human-readable format.

How to Use the long2ip() Function

Using the long2ip() function is straightforward. Here is the syntax of the function:

long2ip($long_integer);

The function takes one parameter:

• $long_integer: The long integer representing the IP address to be converted.

Here is an example of how to use the long2ip() function to convert a long integer to an IP address:

<?php

$long_integer = 2130706433;
$ip_address = long2ip($long_integer);
echo $ip_address; // Outputs 127.0.0.1

In this example, we use the long2ip() function to convert a long integer to an IP address. The long integer is -1062731775, which represents the IP address 127.0.0.1. We then use the echo statement to output the IP address on the screen.

Conclusion

The long2ip() function is a useful tool for converting a long integer representing an IP address to a human-readable format in your PHP web application. By understanding the syntax and usage of the function, you can easily convert long integers to IP addresses. We hope this article has been informative and useful in understanding the long2ip() function in PHP.