I've installed APC.so successfully on my system, but I'm not sure what to do next...

PHP info says:

APC Support     enabled
Version     3.0.19
MMAP Support    Enabled
MMAP File Mask  no value
Locking type    pthread mutex Locks
Revision    $Revision: $
Build Date  Sep 24 2010 05:10:07 

How do I enable my application to use APC?

  • Does it not begin to accelerate the PHP files from the first time each is run? – Breakthrough Oct 7 '10 at 19:38
  • Is that it? Don't I need to do anything special? How do I know that's its working? – siliconpi Oct 8 '10 at 3:53

If APC is installed correctly, it will be used automatically by all scripts. You should see a speed improvement (usually in the form that your server can sustain more simultaneous page loads).


Well, the most basic things, you can cache variables by using:

apc_add('foo', $bar);

And retrieve them with:


You can read more about how to use APC here: http://php.net/manual/en/book.apc.php

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