``` Select one:"> ``` Select one:">

What will this code display?

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<?php
    $a = 1;
    function Test()
    {
        echo "a = $a";
    }
    Test();
?>

Select one:

  • a. 1
  • b. 3
  • c. Warning or no value
  • d. An error

The correct answer is: Warning or no value

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