inc folder contains all the source. Check out example folder with samples on how to use particular functions / classes. === PHP Functions == inc/pbs_get_redirected_url.php => Function returns url of a website that visitors are redirected to via HTTP redirects. Example: pbs_get_redirected_url("http://goo.gl/g7jRb") would return "https://bitbucket.org/pbarkans/php-helper-functions-and-classes". inc/pbs_make_valid_url.php => Makes something like "beautiful-url-seperated-by-dashes" from "Beautiful URL seperated by Dashes£$%^&*()". Mostly can be used for creating seo-style urls.