title: PHP CLI won't log errors
body: <p>PHP currently will not log errors produced from the command line.</p>
  <p>I have:</p>
  <pre class="lang-none prettyprint-override"><code>log_errors = On
  error_log = /var/log/php_errors.log
  </code></pre>
  <p>in file <em>/etc/php5/cli/php.ini</em>.</p>
  <p>Am I missing a further setting to get this working?</p>