title: How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?
body: <p>What is the difference between <code>==</code> and <code>===</code>?</p>
  <ul>
  <li>How exactly does the loosely <code>==</code> comparison work?</li>
  <li>How exactly does the strict <code>===</code> comparison work?</li>
  </ul>
  <p>What would be some useful examples?</p>