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 "<br>"; print_r($b1); ?>

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Question: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 "<br>"; print_r($b1); ?>

1.Array ( [3] => blue [4] => blue) Array ( [0] => red )

2. Array ( [4] => blue [5] => blue [6] => blue) Array ( [0] => red )

3. Array ( [3] => blue [4] => blue [5] => blue [6] => blue ) Array ()

4.Array ( [3] => blue [4] => blue [5] => blue [6] => blue ) Array ( [0] => red )

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  1. 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 "<br>"; print_r($b1); ?>
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