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6.2.Possible problems with the cached files Table Of Content  

6.3. PHP caches, extension classes etc.

There are some situations known which can cause what looks like totally illogical problems after an upgrade:

  • If extensions override classes where functions have changed. Solution; try to disable extensions and enable them one by one again till it fails.

  • If a PHP-cache somehow fails to re-cache scripts, in particular if a change happend to a parent class overridden by a childclass which was not updated. Solution; remove ALL cached PHP files (for PHP-Accelerator, remove "/tmp/phpa_*") and restart Apache.