Ruby example of Net::HTTP for GET, POST, PUT, DELETE -

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I am trying to learn Ruby for the first time. I have some experience in PHP and PHP, I have created a function such as 

  function call_api (endpoint, method, arr_parameters = '') {// a curl call}   
 How will I use  
  call_api ('https://api.com/user','get','param=1&ur=2'); Call_api ('https://api.com/user/1','get'); Call_api ('https://api.com/user/1','post','param=1&pparam=2'); Call_api ('https://api.com/user/1','put','param=1&pparam=2'); Call_api ('https://api.com/user/1','delete');   
 So far, I have only learned how to make a GET and POST call with Ruby:  
  conn = Net :: HTTP.new ( API_URL, API_PORT) resppost = conn.post ("/ user", 'param = 1', {}) respget = conn.get ("/ user? Param = 1", {})   
 But I do not know how to delete and insert. Can someone show sample code to destroy and call with Net :: HTTP objects?   
 
 
 You only name space:  
  net :: HTTP :: With Put.new (uri)   
 deletion:  
  net :: http: delete nn (ury)   
 You can do the same with your existing calls:  
  conn = Net :: HTTP .new (uri) con.get (path)   
 This is equivalent:  
  net :: HTTP :: Get.new (uri)

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