Custom erb tags

application_helper.erb

module ApplicationHelper
  def cool_tag(opts={}, &block)
		name = opts[:name] || 'guys'

		content = capture(&block).strip

		"Hey #{name}, check out my #{content} tag. Isn't it cool?"
	end
end

renders as

Hey dave, check out my custom tag. Isn't it cool?

view.html.erb

<%= cool_tag name: 'dave' do %>
	custom
<% end %>