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);
?>