1.
What will be the output of the following PHP code?
<?php
    echo (checkdate(4,31,2010) ? 'Valid' : 'Invalid');
?>

2.
The date() function returns ___ representation of the current date and/or time.

3.
Which one of the following format parameter can be used to identify timezone?

4.
If the format is F then which one of the following will be returned?

5.
What will be the output of the following code? If say date is 22/06/2013.
<?php
    echo "Today is ".date("F d, Y")
?>