Flowdock
method

number_to_currency

Importance_2
number_to_currency(number, options = {}) public

Formats a number into a currency string (e.g., $13.65). You can customize the format in the options hash.

Options

  • :locale - Sets the locale to be used for formatting (defaults to current locale).

  • :precision - Sets the level of precision (defaults to 2).

  • :unit - Sets the denomination of the currency (defaults to “$”).

  • :separator - Sets the separator between the units (defaults to “.”).

  • :delimiter - Sets the thousands delimiter (defaults to “,”).

  • :format - Sets the format for non-negative numbers (defaults to “%u%n”). Fields are %u for the currency, and %n for the number.

  • :negative_format - Sets the format for negative numbers (defaults to prepending an hyphen to the formatted number given by :format). Accepts the same fields than :format, except %n is here the absolute value of the number.

Examples

number_to_currency(1234567890.50)                # => $1,234,567,890.50
number_to_currency(1234567890.506)               # => $1,234,567,890.51
number_to_currency(1234567890.506, precision: 3) # => $1,234,567,890.506
number_to_currency(1234567890.506, locale: :fr)  # => 1 234 567 890,51 €
number_to_currency('123a456')                    # => $123a456

number_to_currency(-1234567890.50, negative_format: '(%u%n)')
# => ($1,234,567,890.50)
number_to_currency(1234567890.50, unit: '£', separator: ',', delimiter: '')
# => £1234567890,50
number_to_currency(1234567890.50, unit: '£', separator: ',', delimiter: '', format: '%n %u')
# => 1234567890,50 £
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