PHP OOP issue with database

Question

I am querying usernames from database using the get() function in the DB class.. its always returning \'No users\' even if there are users existing in the database.. here is my

Answer 1

Try changing

$sql = "{$action} FROM {$table} WHERE {$field} {$operator} ?";

to

$sql = "{$action} FROM {$table} WHERE {$field} {$operator} {$value}";