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Next, enable PHP 5.6 module: $ sudo a2enmod php5.6ġ.1.3 Set PHP 5.6 as default version using command: $ sudo update-alternatives -set php /usr/bin/php5.6ġ.1.4. To activate the new configuration, you need to run:ġ.1.2.
![php versions php versions](https://docs.woocommerce.com/wp-content/uploads/2019/06/php-version.png)
Switch from PHP 7.x to PHP 5.xġ.1.1 First disable PHP 7.2 module using command: $ sudo a2dismod php7.2
Php versions install#
You can install PHP 5.6 from a PPA: $ sudo add-apt-repository -y ppa:ondrej/php Just in case, you removed it already, you can install it again using a PPA like below. I assume you didn't uninstall php 5.6 in your system yet. You can use both PHP 5.x and 7.x versions together. You don't need to remove PHP 7.x or reinstall LAMP stack. In that case, it is a good idea to have both PHP 5.x version and PHP 7.x version, so that you can easily switch between any supported version at any time. With Zend OPcache v7.2.7-0ubuntu0.18.04.2, Copyright (c) 1999-2018, by Zend TechnologiesĪs you can see, the installed version of PHP is 7.2.7.Īfter testing your application for couple days, you find out that your application doesn't support PHP 7.2. Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies Let us check the default installed version of PHP using command: $ php -v You can simply switch to the previous working PHP version in couple minutes. You don't even have to downgrade the PHP to its earlier version. After a while you find out that the application worked fine in PHP 5.6, but not in PHP 7.2 (Ubuntu 18.04 LTS installs PHP 7.x by default).Īre you going to reinstall PHP or the whole LAMP stack again? Not necessary.
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In Linux, we can use multiple versions of the same package at the same time, side by side.įor instance, let us say you are testing a PHP application in LAMP stack deployed in Ubuntu 18.04 LTS. In some situations, you need not to downgrade the problematic packages.
Php versions how to#
Refer our old guides on how to downgrade a package in Ubuntu and its variants here and how to downgrade a package in Arch Linux and its derivatives here. Indeed, it is not just a final release being brought out today, it is the rise of a new PHP generation with an enormous potential.In such cases, you can simply downgrade the problematic package to its earlier working version in no time. And, it is a result of incredible efforts of many active community members. It is a very special accomplishment of the core team. The release being introduced is an outcome of the almost two years development journey. It is not just a next major PHP version being released today. The inconvenience of the release lateness in several time zones is caused by the need to ensure the compatibility with the latest OpenSSL 1.0.2e release. Please consult it for the detailed list of new features and backward incompatible changes. The migration guide is available in the PHP Manual. Removed old and unsupported SAPIs and extensions.Many fatal errors converted to Exceptions.Improved performance: PHP 7 is up to twice as fast as PHP 5.6.PHP 7.0.0 comes with a new version of the Zend Engine, numerous improvements and new features such as This release marks the start of the new major PHP 7 series. The PHP development team announces the immediate availability of PHP 7.0.0.