Usage:
.../?code=u4x075v5yhczy940hopf6rih0a6u6wkvm6qtg2sc5gaytm0stpqw2ca7r45ltsjqoku3i4ox3qfhqze6y437m040bh
and the output will be:
The code is:
u4x075v5yhczy940hopf6rih0a6u6wkvm6qtg2sc5gaytm0stpqw2ca7r45ltsjqoku3i4ox3qfhqze6y437m040bh
Note: If a parameter is present several times (?code=lorem&code=ipsum), you will get the first value (lorem)