查看 php 配置文件位置:
phpzhi@DESKTOP:/$ php -i|grep php.ini
Configuration File (php.ini) Path => /etc/php/7.4/cli
Loaded Configuration File => /etc/php/7.4/cli/php.ini
再來
phpzhi@DESKTOP:/$ php -i|grep extension_dir
extension_dir => /usr/lib/php/20190902 => /usr/lib/php/20190902
待補充