title: TinyMCE FileManager and ImageManager Stopped Working After PHP 5.4 Upgrade
body: <p>I recently upgraded a server for my client, and the new server runs PHP 5.4.4 instead of 5.3.x as the old one did.</p>
  
  <p>Lots of things changed and I had to go around and fix htmlspecialchars(), session_register() and other problems, but one problem remains a complete mystery:</p>
  
  <p>Now when I click the image manager in TinyMCE, the language pack doesn't seem to work at all, it shows labels like: <code>{#common.filter}</code>, <code>{#view.thumbnail}</code> etc. The language is Russian and the system is integrated with a Russian CMS called DataLife Engine. Other functions in TinyMCE, like regular text editing, work fine.</p>
  
  <p>I looked at this similar question: <a href="https://stackoverflow.com/questions/11741188/tinymce-filemanager-not-working-at-all-language-not-loading">Tinymce filemanager not working at all + language not loading</a>
  but it doesn't seem to be quite the same issue since it worked and no changes were made in the configuration of TinyMCE, and the paths on the website and even the whole server are exactly the same. Only the PHP configuration changed.</p>
  
  <p>Is there some kind of well-known issue upon 5.4 upgrade? Please let me know what other information is necessary.</p>
  
  <p>P.S. Upgrading TinyMCE is not an option.</p>