PHP code example of yiisoft / network-utilities

1. Go to this page and download the library: Download yiisoft/network-utilities library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

yiisoft / network-utilities example snippets


use Yiisoft\NetworkUtilities\IpHelper;

// Check IP version.
$version = IpHelper::getIpVersion('192.168.1.1');
if ($version === IpHelper::IPV4) {
    // ...
}

// Check if IP is in a certain range.
if (!IpHelper::inRange('192.168.1.21/32', '192.168.1.0/24')) {
    throw new \RuntimeException('Access denied!');
}

// Expand IP v6.
echo IpHelper::expandIPv6('2001:db8::1');

// Convert IP to bits representation.
echo IpHelper::ip2bin('192.168.1.1');

// Get bits from CIDR Notation.
echo IpHelper::getCidrBits('192.168.1.21/32');


use Yiisoft\NetworkUtilities\DnsHelper;

// Check DNS record availability.
if (!DnsHelper::existsA('yiiframework.com')) {
  // Record not found.
}