This URL structure is classic . The .php file executes code, and the id=1 tells the database which product, article, or user profile to load.
A search operator that restricts results to pages where the query term appears in the . php? Targets pages generated using the PHP server-side language. id=1 inurl php id 1 free
If you're on the hunt for free PHP scripts or resources: This URL structure is classic
Searching for "inurl php id 1 free" might also relate to security research, looking for potentially vulnerable URLs that expose IDs directly. The user may be looking for downloadable PDFs
The user may be looking for downloadable PDFs or videos that teach how to exploit php?id parameters for free, without paying for a course.
Never display database errors to the browser. An attacker sees mysql_fetch_array() expects parameter 1... and knows they can inject. Use error_reporting(0); in production.