PHP string functions – strtolower and strtoupper
This tutorial explains how to convert strings to uppercase and lowercase using the strtolower and strtoupper functions. These functions each take one argument – the string that needs to be …
Working with Strings in JavaScript
This video tutorial explains how to concatenate (join) strings, convert between integers and strings, change text to uppercase and lowercase, and also introduces indexing and arrays. You can watch the …