title: Too much data with var_dump in symfony2 doctrine2
body: <p>I have around 40 entities and many bidirectional relationships.
  Whenever i use var_dump($user) or any entity my browser gets loaded with too much data of arrays and variables then it just crashed.</p>
  
  <p>i want to whats the problem.</p>
  
  <p>The data is being inserted fine. Can i cause issue in production.</p>