Vi alguns fóruns aqui para tentar resolver meu problema mas ainda continua, descomentei extension=pdo_sqlite e continua o erro:
PHP Warning: PHP Startup: Unable to load dynamic library 'pdo_sqlite' (tried: /usr/lib/php/20170718/pdo_sqlite (/usr/lib/php/20170718/pdo_sqlite: cannot open shared object file: No such file or directory), /usr/lib/php/20170718/pdo_sqlite.so (/usr/lib/php/20170718/pdo_sqlite.so: undefined symbol: php_pdo_unregister_driver)) in Unknown on line 0