I found a similar question and tried this
require("./lib/PasswordHash.php"); $hash = new password_hash(8, false); $q = "INSERT INTO users (username, email, pass, first_name, last_name, date_expires) VALUES ('$u', '$e', '" . password_hash($p, PASSWORD_BCRYPT) . "', '$fn', '$ln', SUBDATE(NOW(), INTERVAL 1 DAY) )";
but I get this error
Fatal error: Class 'password_hash' not found in html\ecommerce2\register.php on line 94