How can short tags be enabled in PHP?

What is $_REQUEST?

If you are given two dates in this form   ??: Start Date: 2007-03-24 End Date: 2009-06-26 Which code snippet finds the difference between these two in the following form: 2 years, 3 months and 2 days PHP 5.3

How would you create enums in PHP?

You can extend the exception class, but you cannot override any of the preceding methods because they are declared as

.... is a way to store information (in variables ) to be used across multiple pages.

If a string is enclosed in double-quotes, PHP will interpret more escape sequences for special characters such as

Which assigns a value of type string to variable $x?

Which one stores PHP values, such as strings, numbers or arrays?

An Object is a/an ___ of a class

__construct is a