title: Curl API v3 not working for Product Creating - Authentication Error
body: <p>I am trying to Upload the Product to Woo commerce Store but on upload it gives me the below Error code am not sure where am going Wrong.<br>
  and I am note Sure on one Case to Should i have to include any Lib to make work if help me on that
   FYI: this is a V3 API code of woocommerce
  Error Code</p>
  
  <pre><code>{"errors":[{"code":"woocommerce_api_authentication_error","message":"oauth_consumer_key parameter is missing"}]}
  </code></pre>
  
  <p>My Code</p>
  
  <pre><code>    $aData = array(
      'product' =&gt; array(
      'title' =&gt; 'Premium Quality',
      'type' =&gt; 'simple'
  
      )
      );
      $sData = json_encode($aData);
      $ch = curl_init('http://example.com/demo/ir/wc-api/v3/products');                                                                      
      curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');                                                                     
      curl_setopt($ch, CURLOPT_POSTFIELDS, $sData);                                                                  
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
      curl_setopt($ch, CURLOPT_USERPWD, 'ck_xxxxxxxxxxxxxxxxxx:cs_xxxxxxxxxxxxxxxxxxx');                           
      curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);                                             
      curl_setopt($ch, CURLOPT_HTTPHEADER, array(                                                                          
      'Content-Type: application/json',                                                                                
      'Content-Length: ' . strlen($sData))                                                                       
      ); 
      $result = curl_exec($ch);
  print_r($result);
  </code></pre>