25 years of PHP
summary
PHP moves from a templating hack to a high‑performance platform: WordPress memory drops from 140 MB to 15 MB since PHP 5 days, PHP 7 gives a huge speed jump and PHP 7.3/7.4 is now faster than other scripting languages. Concrete 7.4 features: typed properties, arrow functions, null coalescing assignment, weak references, improved object serialization, FFI and preloading (preload frameworks like Laravel at startup for ~5–10% gain). One‑request/one‑process model keeps isolation; legacy PHP5 is unsupported—upgrade. Sahana disaster app proves PHP can ship working, life‑saving systems in the wild.
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chapters (8)
- 0:00Intro
- 3:30C API for the web
- 7:25The web ecosystem
- 12:50Performance
- 18:10Features
- 26:20Highlights
- 30:00Sahana
- 33:05Work on things that matter
