How can the issue of forgetting a return statement be avoided when working with PDO connections in PHP?

Issue: Forgetting to include a return statement in a function that interacts with a PDO connection in PHP can lead to unexpected behavior or errors. To avoid this issue, always ensure that a return statement is included in the function to return the desired result or value.

// Corrected function with a return statement
function fetchDataFromDatabase() {
    $pdo = new PDO("mysql:host=localhost;dbname=mydatabase", "username", "password");
    $stmt = $pdo->query("SELECT * FROM my_table");
    return $stmt->fetchAll(PDO::FETCH_ASSOC);
}