9.5 Chapter Summary
Chapter 9 covers:
Defining some time- and date-handling vocabulary such as
epoch timestamp, time and date
parts, and formatted time and date
Printing formatted time and date strings with strftime(
) and date( ).
Making an epoch timestamp with mktime( ).
Making an epoch timestamp with strtotime( ).
Displaying form elements to allow for date or time input.
Doing calculations with a date or time submitted in a form.
Displaying a calendar.