What are some potential pitfalls to be aware of when generating navigation using PHP and a database?

One potential pitfall when generating navigation using PHP and a database is not properly sanitizing user input, which can lead to SQL injection attacks. To prevent this, always use prepared statements when querying the database to ensure that user input is properly escaped. 

// Example of using prepared statements in PHP to query the database
$stmt = $pdo->prepare('SELECT * FROM navigation WHERE id = :id');
$stmt->bindParam(':id', $id, PDO::PARAM_INT);
$stmt->execute();
$result = $stmt->fetch();

Keywords

SQL injection XSS attacks database queries PHP functions input validation

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