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Discussion :: PHP - CS

  1. In order to find if a variable holds an actual number or a string containing characters that can be translated into a number you can use:

    2. A.

     is_num()
    B.

     is_number()
    C.

     if_numeric
    D.

     is_numeric()

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    Workspace

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    Answer : Option D

    Explanation :

    Explanation Not Provided

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