How to install APC for PHP on Linux

APC is the Alternative PHP Cache which is a free, open, and robust framework for caching and optimizing PHP intermediate code. It can be installed by the following steps.

Step1. Download the latest stable version of APC.

#wget http://pecl.php.net/get/APC-3.1.9.tgz

Step2. Untar the file

#tar -xvf APC-3.1.9.tgz
#cd APC-3.1.9

Step3. Run the following command:

#phpize

Step4: You then configure APC, telling it where the executable file 'php-config' is. If you don't know where this is, then do this:

#whereis php-config

Step5. The above command will show 'php-config' path. Now configure APC using the command like so:

#./configure --enable-apc --enable-apc-mmap --with-apxs --with-php-config=/usr/bin/php-config

Step6: You need to compile it using the following commands:

#make
#make install

Step7: Restart Apache

#/etc/init.d/httpd restart

APC has been installed now. :-)

You can check using the following command:

#php -m | grep -i apc

Thank you.

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