Discover how PHP plays a crucial role in handling Twitter's massive data stream at DataSift in this PHP UK Conference talk. Learn about the architecture and processes involved in managing the 'firehose' of 500 million daily tweets, including data scraping, language detection, and delivery. Explore the reasons behind choosing PHP for this high-scale operation, its performance advantages, and how it compares to other languages. Gain insights into PHP's string handling capabilities, JSON decoding behavior, and bundled extensions that make it suitable for processing large volumes of data. Understand the philosophy behind PHP and its reliability in production environments. The presentation concludes with a Q&A session, offering a comprehensive look at PHP's capabilities in handling big data at scale.