against common vulnerabilities like SQL injection or are displaying a status message indicating a patch has been applied. CISA (.gov) Core Components of the Query
If you expect an integer, ensure the input is an integer. If the ID should only be a number, cast it: $id = (int)$_GET['id']; // Ensures $id is always a number Use code with caution. 3. Use Sanitization Functions inurl indexphpid patched