title: PHP and backslashes in strings
body: <p>Can anyone tell me what is happening here?</p>
  
  <pre><code>&lt;?php
  // true
  var_dump('\\ ' === '\ ');
  
  // false
  var_dump('\\\\ ' === '\\ ');
  
  // true
  var_dump('\\\\ ' === '\\\ ');
  </code></pre>