For example, let\'s use some simple data set
+---------+------+------+------------+ | name | age | sex | position | +---------+------+------+---------
Not sure why no one has posted the following solution, but it works perfectly for me:
PDO::FETCH_UNIQUE | PDO::FETCH_ASSOC
So, changing your statement to:
$pdo->query('SELECT * FROM employee')->fetchAll(PDO::FETCH_UNIQUE|PDO::FETCH_ASSOC);
should be exactly what you want.