Download
mkdir ~/tmp
cd ~/tmp/
wget
https://github.com/zend-dev/ZendOptimizerPlus/archive/master.zip -O ZendOptimizerPlus-master.zip
unzip ZendOptimizerPlus-master.zip
cd ZendOptimizerPlus-master/
Compile
export PHP_DIR=/usr
PHP_AUTOCONF=autoconf $PHP_DIR/bin/phpize
./configure \
--enable-optimizer-plus \
--with-php-config=$PHP_DIR/bin/php-config && make
Install by copying either from libs or from modules subdirectory
sudo cp .libs/opcache.so /usr/lib/php5/[0-9]*/
sudo chmod 644 /usr/lib/php5/[0-9]*/opcache.so
Edit php.ini
;;;;; zend extensions
zend_extension=/usr/lib/php5/20100525/opcache.so
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=4000
opcache.revalidate_freq=60
opcache.fast_shutdown=1
opcache.enable_cli=1
Then restart php5-fpm. Got 4x times performance increase at Debian wheezy + ZF2 + Doctrine2.
https://github.com/zendtech/ZendOptimizerPlus/ Performance increase: