$re = '/\?.+/m';
$str = 'https://www.chytryhonza.cz/hypoteka?utm_source=CeskeReality.cz&utm_medium=textovy_odkaz&utm_campaign=dis%7Chypo%7Caffiliate%7Ctextovy_odkaz&utm_content=nejvyhodnejsi_hypoteka&amount=1208648&property_price=1510810
https://www.chytryhonza.cz/hypoteka
';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php