[GeekTalk#2] Tạ Hoàng Hải - Rest API with PHP

This document discusses building REST APIs with PHP. It introduces the author and their experience building APIs. The document then outlines the key components of building a REST API with PHP like defining the data format, creating an interface to respond to data, controlling filters and fields, using gzip compression, and implementing caching techniques like OPCache, Varnish Cache, and file caching to optimize performance. Tips are provided on optimizing REST APIs built with PHP.