Downgrade php 8.1 to php 7.4

Опубликовано: 25 Март 2026
на канале: Tutor Receh

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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 upgrade

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