title: Uniswap: How to read token price with API
body: <p>In my PHP code (or Javascript) I would like to read erc20 (Ethereum) token price from Uniswap - it is trading there. I cannot find any API call to return me the price.</p>
  <p>I am looking to get price for this token:
  VIRGIN TOKEN: 0x1381F369D9D5df87a1A04Ed856C9dbc90f5DB2fA</p>
  <p>How can I do it?</p>