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Discussion :: PHP MCQs

  1. What will be the output of the following PHP code? 
    < ?php      $number = array ("4", "hello", 2);     echo (array_sum ($number)); ?>
    2. A.
    4hello2
    B.
    4
    C.
    2
    D.
    6

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    Workspace

    View Answer

    Answer : Option D

    Explanation :

    The array_sum() function add all the values of the input array together, returning the final sum. If a string datatype is found, it'll be ignored.

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