php - How do I display the first letter as uppercase?

Question

I have fname and lname in my database, and a name could be stored as JOHN DOE or john DOE or JoHN dOE, but ultimately I want to display it as John Doe

fname being John and lname being Doe

Answer 1

Be aware that there are other capitalisation formats, such as John McDoe, John D'Oe, John de O, and John van den Doe.