まがりん | Codetter（こーどったー）

$post_data = stripslashes_deep( $_POST );
if ( isset( $post_data['cawaii_desuka'] ) && $post_data['cawaii_desuka'] == 'yes' ) {
	if ( isset( $post_data['bg_css'] ) && in_array( $post_data['bg_css'], array( 'bg_brown', 'bg_check', 'bg_none' ) ) ) {
		update_option( 'bg_css', $post_data['bg_css'] );
	}
}