cat /etc/redhat-release
Download ZendOpcache and Install -
cd /usr/local/src
wget http://pecl.php.net/get/ZendOpcache
tar xvfz ZendOpcache
phpize
./configure
make
make install
nano /usr/local/lib/php.ini
zend_extension=/usr/local/lib/php/extensions/no-debug-non-zts-20100525/opcache.so
opcache.enable=1
opcache.enable_cli=1
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=4000
opcache.revalidate_freq=60
opcache.fast_shutdown=1
php -v
PHP 5.4.45 (cli) (built: Oct 1 2015 19:20:34)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2014 Zend Technologies
with the ionCube PHP Loader v4.7.5, Copyright (c) 2002-2014, by ionCube Ltd., and
with Zend OPcache v7.0.5, Copyright (c) 1999-2015, by Zend Technologies
with Zend Guard Loader v3.3, Copyright (c) 1998-2013, by Zend Technologies