What are some best practices to keep in mind while using PHPKit for PHP development?

When using PHPKit for PHP development, it is important to follow best practices to ensure efficient and secure code. Some key practices to keep in mind include using prepared statements to prevent SQL injection attacks, validating user input to prevent cross-site scripting attacks, and sanitizing output to prevent malicious code execution. Example:

// Use prepared statements to prevent SQL injection attacks
$stmt = $pdo->prepare("SELECT * FROM users WHERE username = :username");
$stmt->bindParam(':username', $username);
$stmt->execute();

// Validate user input to prevent cross-site scripting attacks
$username = htmlspecialchars($_POST['username']);

// Sanitize output to prevent malicious code execution
echo htmlentities($output);