Rails - return an array of months for a select tag

Question

I\'m in an app that is on Rails 2.3.8, and need to return an array of month names and numbers to be plugged into an options_for_select statement. What I\'ve got so far is kind

Answer 1

# alternative 1 
Date::MONTHNAMES.compact.zip(1.upto(12)).to_h

# alternative 2
Date::MONTHNAMES.compact.zip([*1..12]).to_h

Outputs:

{"January"=>0, "February"=>1, "March"=>2, "April"=>3, "May"=>4, "June"=>5, "July"=>6, "August"=>7, "September"=>8, "October"=>9, "November"=>10, "December"=>11}

Example:

# using simple_form
f.input :month, collection:  Date::MONTHNAMES.compact.zip(1.upto(12)).to_h