# What will be the output of the following PHP code? <?php $a1 = array_fill(3, 4, blue);$b1 = array_fill(0, 1, red);print_r($a1);echo ;print_r($b1);?>
Array ( [3] => blue [4] => blue) Array ( [0] => red )
Array ( [4] => blue [5] => blue [6] => blue) Array ( [0] => red )
Array ( [3] => blue [4] => blue [5] => blue [6] => blue ) Array ()
Array ( [3] => blue [4] => blue [5] => blue [6] => blue ) Array ( [0] => red )