What will be the output of the following PHP code?$a1 = array("red", "green");$a2 = array("blue", "yellow");print_r(array_merge($a1, $a2)); Options: A . &nbspArray ( [0] => blue [1] => yellow [2] => red [3] => green ) B . &nbspArray ( [0] => red [1] => green [2] => blue [3] => yellow ) C . &nbspArray ( [0] => blue [1] => yellow ) D . &nbspArray ( [0] => red [1] => green)

What will be the output of the following PHP code?$a1 = array("red", "green");$a

Question

What will be the output of the following PHP code?$a1 = array("red", "green");$a2 = array("blue", "yellow");print_r(array_merge($a1, $a2));

Options:

A . Array ( [0] => blue [1] => yellow [2] => red [3] => green )

B . Array ( [0] => red [1] => green [2] => blue [3] => yellow )

C . Array ( [0] => blue [1] => yellow )

D . Array ( [0] => red [1] => green)

Answer: Option B

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