get( 'lists' ); $options = array(); if ( $data && isset( $data['lists'] ) && $data['lists'] ) { $options['default'] = esc_html__( 'Default', 'basic-mailchimp' ); foreach ( $data['lists'] as $item ) { $key = $item['id']; $options[ $key ] = $item['name']; } } return $options; } }