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  1. What is the purpose of the parameter $value?

    2. A.

     Field’s expected value
    B.

     Field’s previous value
    C.

     Field’s current value
    D.

     Field’s probability value

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    Answer : Option C

    Explanation :

    The parameter $value is the field’s current value (either from the DB, or the POST data if there was a validation error).

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