No backend language wins every project. PHP competes with Node.js, Python (Django/Flask), Ruby, Java, Go, and C#—each with different hosting, hiring, and ecosystem trade-offs.
When PHP fits well
- WordPress or Laravel shops and shared hosting deployments
- Teams wanting batteries-included web stdlib without heavy ceremony
- Content sites, CRUD apps, and internal tools with rapid iteration
- Budget hosting where PHP + MySQL is the default package
When to consider alternatives
- Node.js — one language with front-end JS, strong real-time/WebSocket story
- Python — data science overlap, Django admin, ML pipelines nearby
- Go/Rust — strict performance, static binaries, infra tooling
- Java/C# — large enterprise ecosystems with long-lived APIs
PHP strengths and costs
Strengths: approachable syntax, huge hosting availability, mature CMS/framework ecosystem, excellent docs. Costs: historical inconsistency in API naming (improving over time), request-per-process model unless you adopt async runtimes, and stigma from old tutorial code—modern PHP with types, PDO, and frameworks is a different beast.
Important interview questions and answers
- Q: PHP vs Node for a REST API?
A: Both work. Node shares language with React front ends; PHP shines with Laravel, cheap PHP hosting, or WordPress integration. Compare team skills, hosting, and libraries. - Q: Why do people criticize "old PHP"?
A: Mixed HTML/SQL in one file,mysql_*without prepared statements, and global state—patterns modern PHP actively discourages. - Q: Can PHP do APIs only (no HTML)?
A: Yes—Laravel/Slim return JSON for SPAs and mobile clients; PHP is not locked to server-rendered pages.
Self-check
- Give one reason a startup might pick Laravel/PHP.
- Give one reason they might pick Node instead.