Get Domain Name From URL

Get Domain Name From URL

Here is a function to perform the simple task of getting the domain name from a URL. The function requires a valid URL to work, and if an invalid URL, or a URL without a hostname and scheme is provide, the function will return false.


<?php
function getDomain($url)
{
    if(filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_HOST_REQUIRED) === FALSE)
    {
        return false;
    }
    /*** get the url parts ***/
    $parts = parse_url($url);
    /*** return the host domain ***/
    return $parts['scheme'].'://'.$parts['host'];
}?>

EXAMPLE CODE


<?php

$url = 'http://phpro.org/classes/Phproogle-Docs.html';

echo getDomain($url);
?>