What potential issues can arise when updating data in a PostgreSQL database using PHP?

One potential issue that can arise when updating data in a PostgreSQL database using PHP is not properly sanitizing user input, which can lead to SQL injection attacks. To solve this issue, you should always use prepared statements with parameterized queries to securely update the database.

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

// Prepare a SQL statement with a parameterized query to update data
$stmt = $pdo->prepare('UPDATE mytable SET column1 = :value WHERE id = :id');

// Bind parameters and execute the query
$stmt->bindParam(':value', $value);
$stmt->bindParam(':id', $id);
$stmt->execute();