PDO “Uncaught exception 'PDOException' .. Cannot execute queries while other unbuffered queries are active. Consider using PDOStatement::fetchAll().”

Question

I know this question has been asked many times, but I\'ve read the answers to many of the questions and still cannot understand why I am receiving this error:

Answer 1

After struggling with this issue for days, I finally found that this worked for me:

$db = new PDO ($cnstring, $user, $pwd);
$db->setAttribute (PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, true);