Back to feed
Dev.to
Dev.to
7/15/2026
How I Built a Multilingual CEFR Language Testing Platform in PHP

How I Built a Multilingual CEFR Language Testing Platform in PHP

Short summary

The author describes building Examinizer, a multilingual CEFR language-testing platform using PHP 8.2, MySQL, Python/ReportLab for PDF certificates, and Claude Haiku API for adaptive question generation and classification. The platform supports 13 languages, serves users from 50+ countries, and issues certificates with QR-code verification within 30 seconds. The article is a high-level project showcase with limited technical depth.

  • •Examinizer is a CEFR language-testing platform built with PHP, Python, and Claude AI API
  • •Claude Haiku handles adaptive question classification and dynamic test difficulty adjustment
  • •Certificates are generated server-side with QR-code verification, delivered in under 30 seconds

Generated with AI, which can make mistakes.

#ai-tools
Read full article at Dev.to

Is this a good recommendation for you?

Comments

Failed to load comments. Please try again.

Explore more

The original title is "How I Built an AI Exam App in 8 Months to outsource studying"
Dev.to
How I Built a Free Online Image & PDF Processing Platform with Vue 3 + FastAPI
Dev.to
How I Built My Site With Claude Code
Dev.to
How I Wired Claude AI into My SaaS and What Actually Worked vs. What Was Just Hype
Dev.to