phpenmod specific version of php code example
Example 1: php version command linux
PHP 5.4.16 (cli) (built: Mar 7 2018 13:34:47)
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies
Example 2: debian php switch version
sudo a2dismod php5.6 php7.1 php7.0
sudo a2enmod php7.4
sudo service apache2 restart
sudo a2dismod mpm_prefork
sudo update-alternatives --set php /usr/bin/php7.4
sudo update-alternatives --set phar /usr/bin/phar7.4
sudo update-alternatives --set phar.phar /usr/bin/phar.phar7.4
sudo update-alternatives --set phpize /usr/bin/phpize7.4
sudo update-alternatives --set php-config /usr/bin/php-config7.4
Example 3: update php version windows
Take a backup of your htdocs and data folder (subfolder of MySQL folder), reinstall upgraded version and replace those folders.
Note: In case you have changed config files like PHP (php.ini), Apache (httpd.conf) or any other, please take back up of those files as well and replace them with newly installed version.