How to Build a Reactive SPA by Using PHP, Twig, and JavaScript via Stimulus: Part Two
SMRTR summary
Building on a static Symfony 7.4 Kanban board, this tutorial adds drag-and-drop interactivity and real-time multi-user sync using Stimulus, Turbo Streams, and Mercure — all without a heavy JS framework. A Stimulus controller handles the HTML5 drag API with optimistic UI updates, while a PHP endpoint persists changes and broadcasts server-rendered HTML fragments to all connected clients via Server-Sent Events.
SMRTR provides this summary for quick context. The original article belongs to Hacker Noon.
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