To produce dynamic content using a single index.php file based on a URL parameter (like id ), you can use the PHP superglobal $_GET to retrieve the identifier and then display specific information based on that value. Core PHP Implementation
Some sites use extensions other than .php but still use the id parameter. inurl indexphpid
: Tells Google to only show results where the following string appears in the URL. To produce dynamic content using a single index
Disallow: /*?id=
$product_id = $_GET['id']; $query = "SELECT * FROM products WHERE id = " . $product_id; $result = mysqli_query($connection, $query); Disallow: /*
While using these queries to read about security concepts is educational, attempting to access or manipulate databases you do not own is illegal (violating laws like the CFAA in the US or the Computer Misuse Act in the UK). Always practice ethical hacking on systems you have explicit permission to test, such as "Damn Vulnerable Web App" (DVWA) or similar labs.