/**
* Reformat
*
* Attempts to reformat a URL string to replace missing data parts,
* IE if the URL does not have HTTP : or // prefixes,
*
* @param string $url Url to format
* @throws InvalidArgumentException If the URL string is empty
* @return Returns an array containing the original and reformatted URL
* if the new URL validates. Returns FALSE otherwise.
*/
public static function reformat($url)
{
$url = trim($url);
if (strlen($url) <= 0) {
throw new \InvalidArgumentException('URL string cannot be empty.', 0);
}
preg_match('/(http)?(:)?(\\/\\/)?(www.|www2.)?([a-zA-Z0-9-]{0,})?([.a-z]{3,4})?/i', $url, $matches);
$prefix = strlen($matches[1]) < 4 ? 'http' : $matches[1];
$colon = strlen($matches[2]) < 1 ? ':' : $matches[2];
$slashes = strlen($matches[3]) < 2 ? '//' : $matches[3];
// WWW or www2 is not required for a valid URL so accept empty results
$www = $matches[4];
$primaryUrl = !isset($matches[5]) ? '' : $matches[5];
$postfix = !isset($matches[6]) ? '.com' : $matches[6];
$newUrl = $prefix . $colon . $slashes . $www . $primaryUrl . $postfix;
if (UrlValidator::validate($newUrl)) {
return array('original' => $url, 'url' => $newUrl);
}
return false;
}
