Cybersecurity students use these dorks to study real-world examples of insecure parameter handling—without actually attacking the sites. They can observe URL patterns and hypothesize about back-end logic.

RESTful Web Services: Quick Start | The Definitive Guide to Yii 2.0

However, your query is incomplete — you'll need to replace parts of it with actual keywords.

In technical terms, this query uses advanced search operators to filter for specific URL structures:

The search query inurl:php?id=1 (and variations like "id1") is a Google Dork