Description

This filter hook allows you to change the wordpress options(settings). The default options(settings) are as listed below.
// General
‘blogname’,
‘blogdescription’,
‘siteurl’,
‘home’,
‘admin_email’,
‘users_can_register’,
‘default_role’,
‘timezone_string’,
‘date_format’,
‘time_format’,
‘start_of_week’,
‘gmt_offset’,
‘WPLANG’,
‘new_admin_email’,
// Writing
‘use_smilies’,
‘use_balanceTags’,
‘default_category’,
‘default_post_format’,
‘mailserver_url’,
‘mailserver_login’,
‘mailserver_pass’,
‘mailserver_port’,
‘default_email_category’,
‘default_link_category’,
‘ping_sites’,
// Reading
‘show_on_front’,
‘page_on_front’,
‘page_for_posts’,
‘posts_per_page’,
‘posts_per_rss’,
‘rss_use_excerpt’,
‘blog_public’,
// Discussion
‘default_pingback_flag’,
‘default_ping_status’,
‘default_comment_status’,
‘require_name_email’,
‘comment_registration’,
‘close_comments_for_old_posts’,
‘close_comments_days_old’,
‘thread_comments’,
‘thread_comments_depth’,
‘page_comments’,
‘comments_per_page’,
‘default_comments_page’,
‘comment_order’,
‘comments_notify’,
‘moderation_notify’,
‘comment_moderation’,
‘comment_whitelist’,
‘comment_max_links’,
‘moderation_keys’,
‘blacklist_keys’,
‘show_avatars’,
‘avatar_rating’,
‘avatar_default’,
// Media
‘thumbnail_size_w’,
‘thumbnail_size_h’,
‘thumbnail_crop’,
‘medium_size_w’,
‘medium_size_h’,
‘large_size_w’,
‘large_size_h’,
‘uploads_use_yearmonth_folders’,
// Network
‘registrationnotification’,
‘registration’,
‘add_new_users’,
‘menu_items’,
‘upload_space_check_disabled’,
‘blog_upload_space’,
‘upload_filetypes’,
‘site_name’,
‘first_post’,
‘first_page’,
‘first_comment’,
‘first_comment_url’,
‘first_comment_author’,
‘welcome_email’,
‘welcome_user_email’,
‘fileupload_maxk’,
‘global_terms_enabled’,
‘illegal_names’,
‘limited_email_domains’,
‘banned_email_domains’,
‘blog_count’,
‘user_count’

If you want to remove any from default or add new field, this hook will allow you to change the fields.

Usage

add_filter( 'ualp_options_array', 'my_options_array' );
 
function my_options_array( $get_dafault_options_array ) {
 
    // remove tag line from log
    if (($key = array_search('blogdescription', $get_dafault_options_array)) !== false) {
        unset($get_dafault_options_array[$key]);
    }
 
    //return array
    return $get_dafault_options_array;
}