title: How to get 4 vertex coordinates from gmaps RECTANGLE ( Overlay)?
body: <p>How do you get 4 vertex coordinates from gmaps RECTANGLE (Overlay)?</p>
  
  <p>I can get only NE and SW lat long from <code>selectedShape.getBounds()</code></p>
  
  <p>I need a 4 vertex rectangle to post-process check in MySQL php functions.</p>