How to capitalize first letter of first word in a sentence?

Question

I am trying to write a function to clean up user input.

I am not trying to make it perfect. I would rather have a few names and acronyms in lowercase than a full par

Answer 1

Separate string into arrays using ./!/? as delimeter. Loop through each string and use ucfirst(strtolower($currentString)), and then join them again into one string.