POSXML - Useful functions

  1. Dynamic menu
  2. CNPJ validation
  3. CPF validation
  4. Hide the credit card number entered
  5. Center text
  6. Format ISO8583 money

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Dynamic menu

Function to create a dynamic menu, allowing the cursor to be moved up and down in a list of items.

Author: Gustavo Fernandes

CNPJ validation

Function to validate a given CNPJ.

Author: Eliézer Pimentel

CPF validation

Function to validate a given CPF.

Author: Gustavo Fernandes

Hide the credit card number entered

Function to hide a given credit card number.

Author: Gabriel Bernal

Center text

Function to center a text.

Author: Gabriel Bernal

Format ISO8583 money

Function to format any ISO8583 money value. For example, 100 becomes 1,00.

Author: William Roberto