title: symfony 4 setting cookie -> invalid cookie name?
body: <p>Trying to set a cookie and getting an error at set</p>
  
  <blockquote>
    <p>Warning: Cookie names cannot contain any of the following '=,; \t\r\n\013\014'</p>
  </blockquote>
  
  <p>but my name <code>selector</code> is ok ?</p>
  
  <pre><code>$cookie = new Cookie('selector', $cookieData, time() + 60 * 60 * 24 * 365, '/', null, false, false);        
  setCookie($cookie);
  </code></pre>