/**
* Assign UTM parameters to an individual URL
* @since Version 3.10.0
* @param \Railpage\Newsletters\Newsletter $Newsletter
* @param string $url
* @return string
*/
public static function CreateUTMParametersForLink(Newsletter $Newsletter, $url)
{
if (is_array($url)) {
$url = $url['url'];
}
$utm = ["utm_source=newsletter", "utm_medium=email", sprintf("utm_campaign=%s", ContentUtility::generateUrlSlug($Newsletter->subject))];
$parts = parse_url($url);
if (!isset($parts['query'])) {
$url .= "?" . implode("&", $utm);
return $url;
}
$parts['query'] = array_merge(explode("&", $parts['query']), $utm);
return ContentUtility::unparse_url($parts);
}
