Hour 8. Working with Strings

What You'll Learn in This Hour:

• How to format strings

• How to determine the length of a string

• How to find a substring within a string

• How to break down a string into component parts

• How to remove white space from the beginning or end of a string

• How to replace substrings

• How to change the case of a string

The World Wide Web is very much a plain-text environment. No matter how rich Web content becomes, HTML lies behind it all. It is no accident, then, that PHP provides many functions with which you can format, investigate, and manipulate strings.