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  1. Which function will return true if a variable is an array or false if it is not?
    2. A.
    this_array()
    B.
    is_array()
    C.
    do_array()
    D.
    in_array()

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    Answer : Option B

    Explanation :

    A built-in function, is_array(), is available for testing an array. Its prototype follows: boolean is_array(mixed variable).

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