Module | ActionView::Helpers::NumberHelper |
In: |
lib/action_view/helpers/number_helper.rb
|
Provides methods for converting a numbers into formatted strings. Methods are provided for phone numbers, currency, percentage, precision, positional notation, and file size.
Formats a number into a currency string. You can customize the format in the options hash.
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(1234567890.50, :unit => "£", :separator => ",", :delimiter => "") => £1234567890,50
Formats the bytes in size into a more understandable representation. Useful for reporting file sizes to users. This method returns nil if size cannot be converted into a number. You can change the default precision of 1 in precision.
number_to_human_size(123) => 123 Bytes number_to_human_size(1234) => 1.2 KB number_to_human_size(12345) => 12.1 KB number_to_human_size(1234567) => 1.2 MB number_to_human_size(1234567890) => 1.1 GB number_to_human_size(1234567890123) => 1.1 TB number_to_human_size(1234567, 2) => 1.18 MB
Formats a number as a percentage string. You can customize the format in the options hash.
number_to_percentage(100) => 100.000% number_to_percentage(100, {:precision => 0}) => 100% number_to_percentage(302.0574, {:precision => 2}) => 302.06%
Formats a number into a US phone number. You can customize the format in the options hash.
number_to_phone(1235551234) => 123-555-1234 number_to_phone(1235551234, :area_code => true) => (123) 555-1234 number_to_phone(1235551234, :delimiter => " ") => 123 555 1234 number_to_phone(1235551234, :area_code => true, :extension => 555) => (123) 555-1234 x 555 number_to_phone(1235551234, :country_code => 1)
Formats a number with grouped thousands using delimiter. You can customize the format using optional delimiter and separator parameters.
number_with_delimiter(12345678) => 12,345,678 number_with_delimiter(12345678.05) => 12,345,678.05 number_with_delimiter(12345678, ".") => 12.345.678