phpdismod

Disable PHP extensions on Debian-based OSes. More information: https://salsa.debian.org/php-team/php-defaults.

• Disable the JSON extension for every SAPI of every PHP version:

sudo phpdismod json

• Disable the JSON extension for PHP 7.3 with the cli SAPI:

sudo phpdismod -v 7.3 -s cli json