สำหรับ PHP 7.3 อาจจะเปลี่ยนเป็น version 7.x ได้
$ sudo su
$ curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
$ curl https://packages.microsoft.com/config/ubuntu/18.04/prod.list > /etc/apt/sources.list.d/mssql-release.list
$ sudo apt update
$ sudo ACCEPT_EULA=Y apt-get install msodbcsql17
$ sudo apt-get install unixodbc-dev
$ sudo pecl install sqlsrv
$ sudo pecl install pdo_sqlsrv
$ printf "; priority=20\nextension=sqlsrv.so\n" > /etc/php/7.3/mods-available/sqlsrv.ini
$ printf "; priority=30\nextension=pdo_sqlsrv.so\n" > /etc/php/7.3/mods-available/pdo_sqlsrv.ini
$ sudo phpenmod -v 7.3 sqlsrv pdo_sqlsrv