1 min read
Picking PHP or Node.js for a New Service
BackendPHPNode.js
I get asked this a lot: "You know both PHP and Node — which one do you reach for?" The honest answer is: it depends on the shape of the problem, not on which language is trendier this year.
When I reach for PHP
- The team already ships PHP. Consistency beats novelty. A service that's easy for the rest of the team to maintain is worth more than a marginally faster runtime.
- Content-heavy, request/response workloads. Laravel's ecosystem (queues, Eloquent, scheduled jobs) gets you to a solid, boring-in-a-good-way backend fast.
- Shared hosting or simple deploy targets. PHP's request lifecycle makes it forgiving to deploy in constrained environments.
When I reach for Node.js
- I/O-heavy services — think webhooks, proxies, or anything juggling many concurrent connections where an event loop shines.
- Shared code with the frontend. If the team is already deep in TypeScript on the client, keeping types and validation logic shared with the backend cuts down on drift.
- Real-time features — WebSockets, SSE, anything where long-lived connections matter.
The actual decision process
- What does the team already know well?
- What's the traffic pattern — CPU-bound, I/O-bound, bursty, steady?
- What's the deployment target, and how much operational complexity can we absorb?
- Is there a hard requirement (existing libraries, compliance, hosting) that rules one out?
Most of the time, the "best" language is the one that lets the team ship confidently and debug quickly at 2 a.m. Everything else is a distant second.