Add Min, Max Single Product Page WooCommerce
add_filter( ‘woocommerce_quantity_input_args’, ‘bloomer_woocommerce_quantity_changes’, 10, 2 );
function bloomer_woocommerce_quantity_changes( $args, $product ) {
$args[‘input_value’] = 4; // Start from this value (default = 1)
$args[‘max_value’] = 10; // Max quantity (default = n/a)
$args[‘min_value’] = 2; // Min quantity (default = 1)
$args[‘step’] = 2; // Increment/decrement by this value (default = 1)
return $args;
}