OAuth::generateSignature
  Generate a signature
  
 
  Description
  
   public string OAuth::generateSignature
    ( string $http_method
   , string $url
   [, mixed $extra_parameters
  ] )
  
  
 
  Parameters
  
   - 
    http_method
- 
     
      HTTP method for request
      
- 
    url
- 
     
      URL for request
      
- 
    extra_parameters
- 
     
      String or array of additional parameters.
      
 
 
  Return Values
  
   A string containing the generated signature or FALSE on failure