In many Symfony-based CMS and blog applications, duplicate content is a silent issue. Similar articles are rewritten by editors, documentation develops naturally, and eventually you have several pages expressing the same idea in different ways.
The exact text matching used in traditional duplicate detection fails as soon as the wording is altered.
In this tutorial, we'll use OpenAI embeddings to create an AI-powered duplicate content detector in Symfony. We'll compare semantic meaning instead of matching keywords, which is the same method that contemporary search engines employ.
For more details : https://www.phpcmsframework.com/2025/12/ai-duplicate-content-detector-for-symfony-with-php-openai.html
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