# File lib/action_view/helpers/form_tag_helper.rb, line 79 def select_tag(name, option_tags = nil, options = {}) html_name = (options[:multiple] == true && !name.to_s.ends_with?("[]")) ? "#{name}[]" : name if Array === option_tags ActiveSupport::Deprecation.warn 'Passing an array of option_tags to select_tag implicitly joins them without marking them as HTML-safe. Pass option_tags.join.html_safe instead.', caller end content_tag :select, option_tags, { "name" => html_name, "id" => sanitize_to_id(name) }.update(options.stringify_keys) end