php原版本情况：
[[email protected] sbin]# php -v
PHP 5.6.23 (cli) (built: Dec 7 2018 09:00:11)
Copyright (c) 1997-2016 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies1.修改php.ini，在最后填写如下代码：
[[email protected] php]# tail php.ini
[opcache]
zend_extension=/usr/local/php/lib/php/extensions/no-debug-non-zts-20131226/opcache.so;extension=opcache.so
opcache.memory_consumption=32
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=1000
opcache.revalidate_freq=60
opcache.fast_shutdown=1
opcache.enable_cli=12.检查结果。
[[email protected] php]# php -v
PHP 5.6.23 (cli) (built: Dec 7 2018 09:00:11)
Copyright (c) 1997-2016 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies
with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2016, by Zend Technologies重启php-fpm之后，在info.php页面也能看到相关情况。