Many encounter the issue when UTM tags are not fully transmitted through $_GET or $_SERVER. Why does this happen? The issue lies in the specifics of URL parsing.
“I can’t get all UTM tags from the address. `utm_source` and `utm_medium` are being cut off.”
Solutions
- Check the URL. Ensure that all parameters are properly encoded.
- Use
parse_str. This function will help correctly parse the query string. - Check the server. Some settings may limit the length or format of the URL.
// Получаем текущий url в php
$url = ((!empty($_SERVER['HTTPS'])) ? 'https' : 'http') . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
$parts = parse_url($url); // делаем из строки массив
parse_str($parts['query'], $query); // из массива получаем запрос
// выводим utm метки полученные из адресной строки через php
echo $query['utm_source'];
echo $query['utm_medium'];
echo $query['utm_campaign'];
echo $query['utm_content'];The second solution is based on $_SERVER
$qStr = $_SERVER['QUERY_STRING'];
parse_str($qStr, $query);
echo $query['utm_source'];
echo $query['utm_medium'];
echo $query['utm_campaign'];
echo $query['utm_content'];This code correctly extracts all UTM tags from the string.
P.S. If the solution doesn’t work, check the server settings.
02 Oct 2024 
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