What are potential pitfalls when updating values in a database using PHP?

One potential pitfall when updating values in a database using PHP is not properly sanitizing user input, which can lead to SQL injection attacks. To prevent this, always use prepared statements with parameterized queries to safely update values in the database. 

// Connect to the database
$pdo = new PDO('mysql:host=localhost;dbname=mydatabase', 'username', 'password');

// Update a value in the database using a prepared statement
$stmt = $pdo->prepare("UPDATE mytable SET column_name = :new_value WHERE id = :id");
$stmt->bindParam(':new_value', $new_value);
$stmt->bindParam(':id', $id);
$stmt->execute();

Keywords

SQL injection data validation prepared statements error handling database transactions

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