They use it to find and report vulnerabilities to site owners.
If you’re looking for (e.g., a safe, local test environment), I can provide sample code for a purposely vulnerable PHP page to practice on your own machine using Docker or XAMPP. Just let me know. inurl php id 1 high quality
: Adding specific keywords helps automated bots ignore "junk" sites (like empty blogs or test environments) to focus on sites with actual traffic or data. How to Prevent This If you are a developer, you can protect your site by: Using Prepared Statements They use it to find and report vulnerabilities