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Discussion :: PHP - CS

  1. What will be the output of the following PHP code?

    <?php
    $op2 = "blabla";
    function foo($op1)
    {
            echo $op1;
            echo $op2;
    }
    foo("hello");
    ?>
    2. A.

     helloblabla
    B.

     error
    C.

     hello
    D.

     helloblablablabla

    View Answer

    Workspace

    View Answer

    Answer : Option C

    Explanation :

    If you want to put some variables in function that was not passed by it, you must use “global”. Inside the function type global $op2.

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