Limit maximum, minimum quantity and quantity step - WooCommerce

add_filter( 'woocommerce_quantity_input_args', 'ef47en_woocommerce_quantity_input_args', 10, 2 );

function ef47en_woocommerce_quantity_input_args( $args, $product ) {
	$args['input_value']  = 1;    // Starting value
	$args['max_value']      = 100;   // Maximum value
	$args['min_value']      = 1;    // Minimum value
	$args['step']         = 1;    // Quantity steps
	return $args;
}