This will not completely remove the session from the storage mechanism. If you want to completely destroy the session, you need to use the function session_destroy().
Answer: Option 2
The variable properties are usually variables that are used internally in the objects methods, but can also be globally visible variables that are used through the page.
Answer: Option 4
A CD-ROM is a pre-pressed optical compact disc which contains data. The name is an acronym which is short for "Compact Disc Read-Only Memory". Computers can read...