1. How would you prevent SQL injection in a PHP application interacting with a MySQL database? Provide a code example. 2. Explain the process of connecting to a MySQL database using PDO in PHP. What are the benefits of using PDO over MySQLi? 3. Describe how you would implement a RESTful API in PHP that interacts with a MySQL database. 4. How would you handle file uploads in PHP and store metadata about the files in a MySQL database? Provide a high-level overview. 5. Discuss the concept of prepared statements in MySQL. How would you use them in PHP to improve security and performance?
