Installation and Configuration Guide for PHP Opcache on CentOS Platform

Installation and Configuration Guide for PHP Opcache on CentOS Platform

1. Overview

PHP Opcache is an extension used to improve the performance of PHP scripts. By caching precompiled PHP scripts, parsing and compilation time is reduced and program execution efficiency is improved. Installing and configuring PHP Opcache on the CentOS platform can effectively improve website performance. This article will introduce in detail how to install and configure PHP Opcache on the CentOS system and provide specific code examples.

2. Install PHP Opcache

1. First, you need to make sure that PHP and related extensions have been installed. You can check through the following command:

php -v

2. Install the PHP Opcache extension, which can be installed through the yum package management tool:

sudo yum install php-opcache

3. After the installation is completed, restart the PHP service:

sudo systemctl restart php-fpm

3. Configure PHP Opcache

1. Find the php.ini configuration file, usually located in /etc/php.ini or /etc/php.d/10-opcache.ini. Open the file for configuration:

sudo vi /etc/php.d/10-opcache.ini

2. Configure the following parameters based on server configuration and performance requirements:

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

3. Save and exit the save file, and restart the PHP service:

sudo systemctl restart php-fpm

4. Verify installation and configuration

1. Create a php page containing PHP Opcache related information, such as info.php:

<?php
echo '<pre class="brush:php;toolbar:false">';
var_dump(opcache_get_status());
echo '

'; ?>

2. Change info The .php file is placed in the root directory of the website, and the page is accessed through the browser:

http://your_domain/info.php

3. If it can be accessed normally and the page displays Opcache related information, it means that PHP Opcache is installed and configured. success.

Through the above steps, you can successfully install and configure the PHP Opcache extension on the CentOS platform, improve your website performance and speed up page loading. I hope you found this guide helpful and please feel free to contact me if you have any questions or issues.

The above is the detailed content of Installation and Configuration Guide for PHP Opcache on CentOS Platform. For more information, please follow other related articles on the PHP Chinese website!