What will be the output of the following PHP code?

  How many configuration directives pertinent to PHP’s mail function are available?
 

Which function sets the file's last-modified and last-accessed times?

Which of the following PHP functions can be used to generate unique IDs?

  Which one of the following databases has PHP supported almost since the beginning? 

Which of the following are valid function names?

i) function()
ii) €()
iii) .function()
iv) $function()

Which one of the following methods can be used to diagnose and display information about a MySQL connection error? 

  Which of the following statements can be used to add two months to the existing date?

  Which of the following statements is used to add an attachment to the mail?