Since PHP 5.5 broke APC in favor of their own cache, I'm trying to get my Symfony2 project running with APCu instead, and it doesn't like it:
$ php app/console cache:clear --env=prod --no-warmup
PHP Fatal error: Call to undefined function Doctrine\Common\Cache\apc_fetch() in /home/maf/symfony/vendor/doctrine/cache/lib/Doctrine/Common/Cache/ApcCache.php on line 40
The documentation of APCu is basically non-existent, and the Symfony2 docs are outdated, providing help only for APC.
I regret using PHP these days with all the compatibility-breaking upgrades, but I need to get my project running again. Where do I apply the gaffer tape?
This adapter is a high-performance, shared memory cache. It can significantly increase an application's performance, as its cache contents are stored in shared memory, a component appreciably faster than many others, such as the filesystem.
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.
You should make sure that you have APC support emulated, so make sure that you have extension=apcu.so
(version >= 4.0) in your php.ini
.
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