Transform numeric value (numbers) to text string

[chrishajer (Chris (Gravity Forms))]

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Number entry output displayed in words

Hello everybody, I would like our donation form input field in numbers (or prices) to be shown in the auto-generated pdf in full words, for example " 56 Euros" as “five - six”, or 456.87 as “four - five - six - eight -seven”. Do you know how to do it? Just for context, our legislation in Germany requires the donation receipts to be done like this. I know how to solve the problem on the fixed donations, but it is a problem when the donor is choosing the amount themselves. I have already researc…