Rails: How to get all parameters from url?

Question

Usually we use:

params[:a] #to get a specific parameter value 

But how to get all the parameters the way we do in PHP?

  $_GET or $_POST 

Answer 1

You can simply use params as a hash of all passed parameters (both GET and POST).

For example:

 params.each do |key,value| Rails.logger.warn "Param #{key}: #{value}" end 

Update: note that params includes category options:

• Path parameters (related in routes)
• Request Parameters (GET)
• Request Parameters (POST)

If you want to access the parameters of a certain category, you can use:

 request.path_parameters request.query_parameters # or request.GET request.request_parameters # or request.POST 

All methods return HashWithIndifferentAccess , so you can access them using a string or a character key.