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Yesterday I tried to install php-gd for php7.2.15 on Ubuntu 18.04 lts. Today when Ubuntu got updated it installed php5.6 php7.0 php7.1 php7.3 beside my php7.2. I think I did something wrong but now I just don’t want these versions on my server It’s a server holding website and app so can’t play with it, php -v now shows:

PHP Warning: PHP Startup: Unable to load dynamic library
‘pdo_mysql.so’ (tried: /usr/lib/php/20180731/pdo_mysql.so
(/usr/lib/php/20180731/pdo_mysql.so: undefined symbol:
pdo_parse_params), /usr/lib/php/20180731/pdo_mysql.so.so
(/usr/lib/php/20180731/pdo_mysql.so.so: cannot open shared object
file: No such file or directory)) in Unknown on line 0 PHP
7.3.2-3+ubuntu18.04.1+deb.sury.org+1 (cli) (built: Feb 8 2019 15:43:57) ( NTS ) Copyright (c) 1997-2018 The PHP Group Zend Engine
v3.3.2, Copyright (c) 1998-2018 Zend Technologies
with Zend OPcache v7.3.2-3+ubuntu18.04.1+deb.sury.org+1, Copyright (c) 1999-2018, by Zend Technologies

But phpinfo file is normal not mentioning anything irregular and everything is functioning like normal, but I’d like to keep my server clean so any advice?