Install PHP 8.1 alongside other PHP versions (e.g 8.0 and 7.4) Option 1) Install PHP 8.1 on CentOS 7|RHEL 7 as Default version (Only GA releases).Install PHP 8.1 as main PHP version (default version).

Since the default YUM repositories in CentOS 7|RHEL 7 doesn’t contain PHP 8.1 packages, we’ll use REMI repository to install 8.1 on CentOS 7|RHEL 7.

Among many other new features and deprecations Install PHP 8.1 on CentOS 7|RHEL 7.

PHP 8.1 adds array_is_list as a built-in function.

Addition of pure intersection types feature.

File Uploads with CURLStringFile – In PHP 8.1, PHP Curl extension now supports HTTP(S) requests with file uploads.

Added support for Fibers – The low level mechanism to manage parallelism.

AVIF Image Format support – The PHP 8.1’s image processing and GD extension adds support for AVIF images.

Never Return Type – A new return type hint called never is added in PHP 8.1.

Readonly properties – Class properties can be marked as readonly hence can only be written once.

Install PHP 8.1 on CentOS 7|RHEL 7 and start exploring its new features and deprecations. PHP 8.1 ships with a set of new features and improvements. PHP 8.1 is an update to version 8.0 which was a major release from its predecessor – PHP 7.x. Some of the most powerful content management systems such as Joomla, Drupal, WordPress, OpenCart, Magento, OctoberCMS, and Joomla are created in PHP.

In this guide, we shall cover the installation of PHP 8.1 on CentOS 7|RHEL 7. It is mostly used to create web applications and dynamic web pages. As most of you know, PHP is a widely used scripting language. Usually there is a 6 months pre-release phase before the GA release of PHP. The PHP team is yet to officially release PHP 8.1 on November 25, 2021.

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