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  1. What will be the output of the following PHP code ?
    <?php
    $num = 120;
    function calc()
        {
            echo $num;
        }
    calc();
    ?>
    1. Nothing
    2. 120
    3. Error
    4. 20
    5. None of these
Correct Option: A

$num is not global and hence is not available for calc().


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