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Created May 13, 2023 19:40
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Linux Debian 11 Bullseye: How To Switch Between Multiple PHP Versions
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linux-debian-11-bullseye-how-to-switch-between-multiple-php-versions.md

Linux Debian 11 Bullseye: How To Switch Between Multiple PHP Versions

You need to first know what PHP version is running on your computer

php -v

Disable that version

sudo a2dismod php7.2

Enable the version you want to use

sudo a2enmod php5.6

Set the version you want as default

sudo update-alternatives --set php /usr/bin/php5.6

Alternatively to the last command, you can run the next one to set the default PHP version

sudo update-alternatives --config php

If you have installed other PHP extensions, set them as default as well

sudo update-alternatives --set phar /usr/bin/phar5.6

Finally, restart your Apache

sudo systemctl restart apache2

Check your default version

php -v
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