/usr/share/php7.2-common/ is in php7.2-common 7.2.3-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php7.2-common/common/
/usr/share/php7.2-common/common/calendar.ini
/usr/share/php7.2-common/common/ctype.ini
/usr/share/php7.2-common/common/exif.ini
/usr/share/php7.2-common/common/fileinfo.ini
/usr/share/php7.2-common/common/ftp.ini
/usr/share/php7.2-common/common/gettext.ini
/usr/share/php7.2-common/common/iconv.ini
/usr/share/php7.2-common/common/pdo.ini
/usr/share/php7.2-common/common/phar.ini
/usr/share/php7.2-common/common/posix.ini
/usr/share/php7.2-common/common/shmop.ini
/usr/share/php7.2-common/common/sockets.ini
/usr/share/php7.2-common/common/sysvmsg.ini
/usr/share/php7.2-common/common/sysvsem.ini
/usr/share/php7.2-common/common/sysvshm.ini
/usr/share/php7.2-common/common/tokenizer.ini