Saving an array to get_options

In order for it to save the data you need to hook your validate_dw_quote() onto to an action, such as admin_init or init.

add_action('admin_init', 'validate_dw_quote'); 

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)