title: changes core/Common.php results net::ERR_TOO_MANY_REDIRECTS
body: <p>After the server PHP upgrade I am getting the following error with PHP Version 5.6.2 on Apache 2.0</p>
  
  <pre><code>A PHP Error was encountered
  Severity: Notice
  Message: Only variable references should be returned by reference
  Filename: core/Common.php
  Line Number: 257
  </code></pre>
  
  <p>then i changed core/Common.php </p>
  
  <pre><code>return $_config[0] =&amp; $config  
  </code></pre>
  
  <p>into </p>
  
  <pre><code>$_config[0] =&amp; $config; return $_config[0]; 
  </code></pre>
  
  <p>This resulted  too many redirects for a site,and got 302 error</p>