Grabbing a data from wp_usermeta

That is PHP serialized data. It is how PHP creates a storable version of data that retains its structure. Don’t try to work directly with data in the database, use API functions like get_user_meta and you don’t have to worry about how it is stored.

Remove Customizer Control Choices (Type: Radio Array) using Child Themes

You can assign a new array there, with the updated options: $wp_customize->get_control( ‘your_control_id’ )->choices = array( ‘top’ => ‘top’, ‘bottom’ => ‘bottom’ ); used this in my functions.php function modify_choice( $wp_customize ){ $wp_customize->get_control( ‘your_control_id’ )->choices = array( ‘top’ => ‘top’, ‘bottom’ => ‘bottom’ ); } add_action( ‘customize_register’ , ‘modify_choice’,999 );