title: PHP Stack trace, PHP   1. {main}(), PHP 2. include() error in apache's error_log.php
body: <p>I have a login page implemented in cakephp. It was working fine, but some days before we implemented SSL after that it is working fine on server, but I am not able to login on my local system. Moreover it is not throwing any errors, but when I looked into apache error log file it is throwing the following error -></p>
  
  <pre><code>[Fri Jul 20 11:55:10 2012] [error] [client ::1] PHP Deprecated: 
  Assigning the return value of new by reference is deprecated in
  /Backup/www/Web/SourceCode/instantmeeting/cake/libs/cache.php on line 155,
  referer: /Web/SourceCode/instantmeeting/enterprise/web_user/login
  
  [Fri Jul 20 11:55:10 2012] [error] [client ::1] PHP Stack trace:,
  referer: /Web/SourceCode/instantmeeting/enterprise/web_user/login
  
  [Fri Jul 20 11:55:10 2012] [error] [client ::1] PHP   1. {main}()
  /Backup/www/Web/SourceCode/instantmeeting/app/webroot/index.php:0,
  referer: /Web/SourceCode/instantmeeting/enterprise/web_user/login
  
  [Fri Jul 20 11:55:10 2012] [error] [client ::1] PHP   2. include()
  /Backup/www/Web/SourceCode/instantmeeting/app/webroot/index.php:81,
  referer: /Web/SourceCode/instantmeeting/enterprise/web_user/login
  </code></pre>
  
  <p>Does anyone know what might be causing this?</p>