[:alpha:] can also be specified as _____

  A mutator method is also called as ___________ 

 Which of the following are valid function names? 

Which method is used to customize an object's cloning behavior?

When you use the $_GET variable to collect data, the data is visible to ___________ 

Which PHP function is useful when you want to execute a command and output the result?

Which one of the following PHP function is used to determine a file’s last access time? 

Which one of the following is the right way to call a class constant, given that the class is mathFunction?

 Which one of the following function reads a directory into an Array?
a) scandir()
b) readdir()
c) scandirectory()
d) readdirectory() 

Which of the following is/are the right way to declare a method?

i) function functionName() { function body }

ii) scope function functionName() { function body }

iii) method methodName() { method body }

iv) scope method methodName() { method body }