php-horde-stream 1.6.3-1ubuntu1 (amd64 binary) in ubuntu yakkety

 An object-oriented interface to assist in creating and storing PHP stream
 resources, and to provide utility methods to access and manipulate the stream
 contents.
 .
 This package is part of Horde, a web application Framework written in PHP with
 modules like IMP (webmail), Turba (contacts), Kronolith (calendar), Nag (task
 list), Gollem (file manager), etc.