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  1. What will be the output of the following code?
    <?php
    function track() 
      {
        static $var = 0;
        $var++;
        echo $var;
      }
        track();
        track();
        track();
    ?>
    1. 000
    2. 010
    3. 110
    4. 123
    5. None of these
Correct Option: D

Because $count is static, it retains its previous value each time the function is executed.


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