What will be the output of the following PHP code? <?php $a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow"); $a2 = array("e" => "red", "f" => "green", "g" => "blue", "h" => "orange"); $a3 = array("i" => "orange"); $a4 = array_merge($a2, $a3); $result = array_diff($a1, $a4); print_r($result); ?>

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Question:What will be the output of the following PHP code? <?php $a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow"); $a2 = array("e" => "red", "f" => "green", "g" => "blue", "h" => "orange"); $a3 = array("i" => "orange"); $a4 = array_merge($a2, $a3); $result = array_diff($a1, $a4); print_r($result); ?>

1.Array ( [d] => yellow )

2. Array ( [i] => orange )

3.Array ( [h] => orange )

4. Array ( [d] => yellow [h] => orange )

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  1. What will be the output of the following PHP code? <?php $a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow"); $a2 = array("e" => "red", "f" => "green", "g" => "blue", "h" => "orange"); $a3 = array("i" => "orange"); $a4 = array_merge($a2, $a3); $result = array_diff($a1, $a4); print_r($result); ?>
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