Preview of What's New in PHP 8
summary
An overview of PHP 8's main features focusing on the Just In Time (JIT) compiler: JIT is exercised by generating native machine code via the CLI using the danasm toolchain and configured with CRT 1235. Benchmarks (Zend) show PHP 8 faster than PHP 7.4 on synthetic CPU‑bound tests, but JIT hurts I/O‑bound workloads like WordPress (190 req/s without JIT vs 160 req/s with JIT), so benefits appear limited to CPU‑intensive tasks.
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