3. Write a PHP script for each of the following questions: a) Suppose you are given an array color with some values. Write a PHP script to get the first element of the array. $color = array (4 => 'white', 6 => 'green', 11=> 'red') Sample Output: white b) Suppose you are given a variable d which contains value A00 i.e. $d = 'A00'. Using this variable print the following numbers. Sample Output: A01 A02 A03 A04 A05