get_current_page
  
  Description:
  [ 
Version ( since = 
"2.10" ) ]
public int get_current_page ()
  
    Returns the page number of the current page.
    Parameters:
    
    Returns:
    
      
        | The index (starting from 0) of the current  page in the this, or -1 if the 
              this has no pages,  or no current page. |