I have an Options page for my plugin using Settings API. I want to submit the settings values with two places after decimals.

Right now when I submit a number let's say: 35.00 it submits as 35. How can I submit with .00 by default. If the number is 15.20, it saves as 15.2 but I would like it to be saved as 15.20.

How can I do this?

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