How to update APCu to the latest and most stable version on Linux (Centos+CWP)?

APCu, which stands for Alternative PHP Cache, is a popular open-source caching extension for PHP applications. It provides a simple and efficient way to store and retrieve data in the server’s memory, reducing the time it takes to load and process data. Updating APCu to the latest version is essential for maintaining the performance and security of your PHP application. In this article, we’ll discuss the importance of updating APCu and the steps involved in the process.

Why is Updating APCu Important?

Like any other software, APCu is constantly updated with new features, bug fixes, and security patches. Updating to the latest version ensures that you have access to these improvements, which can significantly enhance the performance and security of your PHP application. Additionally, new versions of APCu may introduce compatibility changes that require you to update your code to work correctly.

Updating APCu involves downloading the latest version, configuring it with your PHP environment, and restarting your web server. The exact steps may vary depending on your operating system and web server configuration.

Steps for Updating APCu on Centos + CWP

Here are the general steps you can follow to update APCu on your server:

Step 1: Check Your Current Version

The first step is to check the version of APCu currently installed on your server. You can do this by running the following command in your terminal:

php -i | grep apcu

This command will output information about your current APCu installation, including the version number.

Step 2: Download, Install, and Configure APCu to the Latest Version:

You can do this by running the following command in your terminal:

• PHP 7.4

cd /usr/local/src
rm -rf apcu*
curl https://pecl.php.net/get/APCu -o apcu.tgz
tar -xf apcu.tgz
cd apcu-*
/opt/alt/php-fpm74/usr/bin/phpize
./configure --with-php-config=/opt/alt/php-fpm74/usr/bin/php-config
make && make install
make test

• PHP 8.0

cd /usr/local/src
rm -rf apcu*
curl https://pecl.php.net/get/APCu -o apcu.tgz
tar -xf apcu.tgz
cd apcu-*
/opt/alt/php-fpm80/usr/bin/phpize
./configure --with-php-config=/opt/alt/php-fpm80/usr/bin/php-config
make && make install
make test

• PHP 8.1

cd /usr/local/src
rm -rf apcu*
curl https://pecl.php.net/get/APCu -o apcu.tgz
tar -xf apcu.tgz
cd apcu-*
/opt/alt/php-fpm81/usr/bin/phpize
./configure --with-php-config=/opt/alt/php-fpm81/usr/bin/php-config
make && make install
make test

• PHP 8.2

cd /usr/local/src
rm -rf apcu*
curl https://pecl.php.net/get/APCu -o apcu.tgz
tar -xf apcu.tgz
cd apcu-*
/opt/alt/php-fpm82/usr/bin/phpize
./configure --with-php-config=/opt/alt/php-fpm82/usr/bin/php-config
make && make install
make test

Step 3: Restart Your Web Server

Finally, you’ll need to restart your web server to apply the changes. Depending on your web server, you can do this by running the following command in your terminal:

sudo systemctl restart httpd
sudo systemctl restart nginx

OR restart these services in the CentOS Web Panel (CWP)

Conclusion

Updating APCu to the latest version is an essential step in maintaining the performance and security of your PHP application. Following the steps outlined in this article, you can easily update APCu on your server and take advantage of the latest improvements and bug fixes. Remember to test your application thoroughly after updating it to ensure that everything is working correctly.