Posted By

apphp-snippets on 01/28/14

Tagged

php
validation

Versions (?)

Last Edited at 01/28/14 10:49pm

Statistics

Viewed 1032 times

Favorited by 0 user(s)

Related snippets

Validate IP Address in PHP

/ Published in: PHP

This code demonstrates a simple way to validate IP address using preg_match() PHP function. This is a very simple code, that allows you to perform this task quickly with a minimum lines of code.

Expand | Embed | Plain Text

Copy this code and paste it in your HTML

<?php
$ip_address = '127.0.0.1';
 
if(preg_match('/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/', $ip_address)){
   echo 'IP address is valid!';
}else{
   echo 'IP address is NOT valid!';
}
?>