$ sudo apt-get update
$ sudo apt-get install php-horde-service-twitter 

php-horde-service-twitter is installed in your system.

Make ensure the php-horde-service-twitter package were installed using the commands given below,

$ sudo dpkg-query -l | grep php-horde-service-twitter *

You will get with php-horde-service-twitter package name, version, architecture and description in a table

php-horde-service-twitter package basic information: