How can following PHP documentation guidelines and tutorials on modern database handling improve code efficiency and security in PHP scripts?

Following PHP documentation guidelines and tutorials on modern database handling can improve code efficiency and security in PHP scripts by ensuring that best practices are followed, such as using prepared statements to prevent SQL injection attacks and optimizing database queries for better performance. 

// Example of using prepared statements for database queries
$stmt = $pdo->prepare('SELECT * FROM users WHERE username = :username');
$stmt->bindParam(':username', $username);
$stmt->execute();
$results = $stmt->fetchAll();

Keywords

PHP documentation tutorials modern database handling code efficiency security

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