PostgreSQL uses a cost-based optimizer that uses data statistics, not static rules. The planner (optimizer) estimates costs of each possible execution plans for a SQL statement, then executes the plan with the lowest cost. The planner does its best to select the best execution plan, but it is far from perfect, since it may not count some data properties, like correlation between columns.

OsmoGGSN is a Gateway GPRS Support Node (GGSN). It is used by mobile operators as the interface between the Internet and the rest of the mobile network infrastructure.

Imagick is a native php extension to create and modify images using the ImageMagick API.

The purpose of this driver is to provide exceptionally thin glue between MongoDB and PHP, implementing only fundemental and performance-critical components necessary to build a fully-functional MongoDB driver.

Memcached is a caching daemon designed especially for dynamic web applications to decrease database load by storing objects in memory.

A self contained php-code-coverage compatible driver for PHP7.