How To Use PHP Network Functions In Example

Hi guys,

Today i will explained how to use php Network functions. This example is so easy to use in php.

This functions is provided to the default php language. So you can easily to use in your php code. Today i will explaind gethostbyaddr(),gethostbyname(),gethostbynamel(),gethostname(),getmxrr() to explainded.

So let's start to the example.

gethostbyaddr() Function

gethostbyaddr() function returns the domain name for a given IP address.

<?php
    $host = gethostbyaddr($_SERVER["REMOTE_ADDR"]);
    echo $host;
?>

Output

localhost

gethostbyname() Function gethostbyname() function returns the IPv4 address for a given domain/host name.

<?php
    $ip = gethostbyname("www.w3schools.com");
    echo $ip;
?>

Output

192.229.133.221

gethostbynamel() Function

The gethostbynamel() function returns a list of IPv4 address for a given domain/host name.

<?php
    $hostlist = gethostbynamel("www.w3schools.com");
    print_r($hostlist);
?>

Output

Array
(
    [0] => 192.229.133.221
)

gethostname() Function

The gethostname() function returns the host name for the local machine.

<?php
    echo gethostname();
?>

Output

A

getmxrr() Function getmxrr() function returns the MX records in the specified internet host name.

<?php
    $domain="w3schools.com";
    if(getmxrr($domain,$mx_details)){
      foreach($mx_details as $key=>$value){
        echo "$key => $value <br>";
      }
    }
?>

Output

0 => aspmx.l.google.com 
1 => alt3.aspmx.l.google.com 
2 => alt4.aspmx.l.google.com 
3 => feedback-smtp.eu-west-1.amazonses.com 
4 => alt1.aspmx.l.google.com 
5 => alt2.aspmx.l.google.com 

Now you can check your own.