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  1. What will be the output of the following PHP code?
    <?php
    function n()
        {
            function m()
            {
                echo 'M';
            }
            echo 'N';
        }
    n();
    n();
    ?>
    1. M
      N
    2. N
      M
    3. Fatal error: Cannot redeclare n()
      M
    4. Fatal error: Cannot redeclare m()
      N
    5. None of these
Correct Option: D

This will be the output- I am a Fatal error: Cannot redeclare b()


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