Inventory_Presser_Admin_Customize_Dashboard::sanitize_array( array $arr )

	function sanitize_array( $arr ) {
		foreach ( $arr as $key => $value ) {
			if ( is_array( $value ) ) {
				$arr[ $key ] = $this->sanitize_array( $value );
			} else {
				$arr[ $key ] = sanitize_text_field( $value );
			}
		}
		return $arr;
	}