What is the issue with the PDO prepared statements in the provided PHP code?

The issue with the PDO prepared statements in the provided PHP code is that the placeholders are not being bound correctly. To fix this issue, you need to bind the placeholders using the `bindParam` method with the correct data type specified for each parameter. 

// Fixing the issue with PDO prepared statements
$stmt = $pdo->prepare("INSERT INTO users (username, email) VALUES (:username, :email)");
$stmt->bindParam(':username', $username, PDO::PARAM_STR);
$stmt->bindParam(':email', $email, PDO::PARAM_STR);

// Execute the statement
$stmt->execute();

Keywords

PDO prepared statements SQL injection bindParam error handling

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