- var_dump: documentation ( source)
- explode: documentation ( source)
<?php
$ip = 'a.b.c.d';
$octets = explode('.', $ip);
var_dump($octets);
foreach($octets as $key => $octet) {
(255 - (int) $octet) < 0 ? $valid = false : $valid = true;
if ($valid)
echo 'valid';
else
echo 'invalid';
echo PHP_EOL;
}
var_dump($octets);