This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

APC Cache Purge


Alternative PHP Cache, is a free open-source opcode (operation code) caching plugin for PHP. If your host has installed APC cache this plugin allows you to flush the cache from within WordPress. Once activated, go to Tools -> Purge APC to send the command to flush the APC cache.

The plugin returns either ‘Success’ or gives a detailed error message if it is unable to run the command successfully.

Original Author: TJ Stein, inspired by Kaspars Dambis of


How to install the plugin and get it working.

  1. Upload the plugin files to the /wp-content/plugins/ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Use Tools -> Purge APC to flush the APC cache.


It does not work

Not all hosts will allow the PHP commands that are necessary to flush the APC cache. There is nothing we can do about that. Sorry


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Contributors & Developers

“APC Cache Purge” is open source software. The following people have contributed to this plugin.


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Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



  • Initial release based on TJ Stein code.