debian php switch version
// Apache:
sudo a2dismod php5.6 php7.1 php7.0 ## Shows error for modules not installed
sudo a2enmod php7.4
sudo service apache2 restart
// In case of issues disabling some modules use the following syntax
sudo a2dismod mpm_prefork
//--------------------------------------------------------------
// Command Line:
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