Using two for-loops, with one loop nested inside the other, develop a minimal, i.e. optimal, PHP program that displays the following pattern on the screen. Display each line with an echo function. A solution which comprises 6 separate echo functions with no for loops will gain no credit. A B B C C C D D D D E E E E E F F F F F F Hint: The character A has an integer value of 65

The built-in PHP function chr() will convert an integer value into a single character