composer create-project php999g/app myapp cd myapp php999g serve --http2 --watch
What (e.g., database latency, high CPU usage, memory leaks) are you trying to resolve?
What is your setup (e.g., PHP-FPM, Node.js, Go)?
PHP 8 introduced JIT, but PHP999G would include an adaptive JIT that learns execution patterns at runtime, optimizing hot paths to near-C speeds. Benchmarks suggest 5–10x performance gains over PHP 8.4.