Chapter 10. Working with Strings, Dates, and Time

In this chapter, you learn the following:

• How to format strings

• How to determine the length of a string

• How to find a substring within a string

• How to break a string down into component parts

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

• How to replace substrings

• How to change the case of a string

• How to acquire the current date and time

• How to get information about a date and time

• How to format date and time information

• How to test dates for validity

• How to set dates and times

No matter how rich your web content might be, at the heart of it is just HTML that tells the browser how to render string-based content. It is no accident, then, that PHP provides ...

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