Downgrade PHP8.1 ke PHP7.4

 

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// Enable PPA for PHP 7.4 in your system and install it. sudo add-apt-repository ppa:ondrej/php sudo apt-get update   sudo apt-get install php7.4 sudo apt-get install php7.4-cli php7.4-common php7.4-json php7.4-opcache php7.4-mysql php7.4-mbstring  php7.4-zip php7.4-fpm php7.4-intl php7.4-simplexml   // a2dismod disables the php8.0 module by removing those symlinks. sudo a2dismod php8.0   // a2enmod enables php7.4 module within the apache2 configuration. sudo a2enmod php7.4   // Restart apache2 service. sudo service apache2 restart    // Set alternative name path. 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