- var_dump: documentation ( source)
- parse_str: documentation ( source)
- str_replace: documentation ( source)
- parse_url: documentation ( source)
<?php
$url = 'http://www.somepage.com/clicker.php?id_campaign=8&id_email=9324&url=https://www.google.com/search?q=dog&sxsrf=ALeKk019eteEpAwVf2Fk4qYo7TiwhuMQ_Q:1596666153666&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiqzqf3jIXrAhUisaQKHRayBWAQ_AUoAXoECBkQAw&biw=1920&bih=921#imgrc=M4wsJO0A7OQfTM';
$url = str_replace('&', '__TEMP__', $url);
$parts = parse_url($url);
parse_str($parts['query'], $query);
$urlParam = str_replace('__TEMP__', '&', $query['url']);
var_dump($urlParam);