How to install Zend Opcache in a DirectAdmin server?
Before going to the installation tips, let’s see what is Zend Opcache.
It’s a modern PHP script caching module which accelerates the PHP performance. Zend Opcache provides faster PHP execution through Opcode caching and optimization. It improves the performance of PHP by storing the precompiled script byte-code in the shared memory. This eliminates reading the code from the disk and compiling it on future access. It also applies few byte-code optimization pattern which help to execute the code faster.
Here I’m explaining the installation steps with custombuild 2.0
Enter the custombuild directory
# cd /usr/local/directadmin/custombuild
Setting opcache to yes
# ./build set opcache yes
You’ll get a sample output as follows:
[root@crybit custombuild]# ./build set opcache yes Changed opcache option from no to yes
Compiling Opcache module
# ./build opcache
[root@crybit custombuild]# ./build opcache opCache 7.0.5 is now installed for PHP 5.5. opCache 7.0.5 PHP extension has been installed successfully.
Now check if Opcache is correctly listing:
You can check this in different ways. Please see the sample outputs pasted below:
[root@crybit /]# php -v PHP 5.5.36 (cli) (built: Jun 7 2016 05:59:15) Copyright (c) 1997-2015 The PHP Group Zend Engine v2.5.0, Copyright (c) 1998-2015 Zend Technologies with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2015, by Zend Technologies
[root@crybit /]# php -m | grep -i zend Zend OPcache [Zend Modules] Zend OPcache