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What is PHP APCu caching?
APCu is the official replacement for the outdated APC extension. APC provided both opcode caching (opcache) and object caching. As PHP versions 5.5 and above include their own opcache, APC was no longer compatible, and its opcache functionality became useless.
What is APCu?
APCu is a user-accessible PHP cache. Pantheon provides APCu by default across all plans, but the size of the APCu memory cache (apc. shm_size) varies depending on the service level. See the Application Containers overview to learn more about APCu on Pantheon’s container architecture.
What is APC user cache?
About using APCu in Moodle APC provides a shared application cache that is usually very limited in size but provides excellent performance. As such cache data will persist there until APC is restarted or the store is purged.
How do I use PHP Cache?
How to Create a Simple and Efficient PHP Cache
- Step One: Create The Top-cache. php File.
- Step Two: Create The Bottom-cache. php File.
- Step Three: Include Cache Files On Your Page.
When should I clear my OPcache?
You may want to flush the APC (PHP < 5.5) or Opcache (PHP >= 5.5) in PHP when it has cached code you want to refresh. As of PHP 5.5, the APC cache has been replaced by Opcache and APC only exists as a user key/value cache, no longer a bytecode cache.
How do I know if an APCu is installed?
Determining if APC is installed
- Create a file that contains the following PHP code:
- Save the file as info. php.
- Upload the file to the public_html directory on your hosting account.
- Use your browser to search for the term apc. If APC is installed, you see a section that resembles the following:
How do I enable APC?
Follow these steps to install APC.
- Download the correct version. Download the windows binary for the PHP version you have installed from http://downloads.php.net/pierre/.
- Enable the APC extension in your PHP. INI file.
- Check the memory available.
- Customizing APC settings for Moodle.
- Set the temp directory.
- APC.