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  1. What will be the output of the following PHP code ?
    <?php
    $n1 = 15;
    $n2 = 18;
    function Calc()
    {
        $GLOBALS['n2'] = $GLOBALS['n1'] + $GLOBALS['n2'];
    } 
    Calc();
    echo $n2;
    ?>
    1. 15
    2. 18
    3. 33
    4. Error
    5. None of these
Correct Option: C

You can access the global variable using $GLOBALS[‘globalvariablename’].


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