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Change and save the product price in Woocommerce single product pages

I have this function which get fire when a page loads. It checks that the post type is ‘product’ and this case I need to change the product price and save the page.

I works fine, but I need to know how to set the new product price.

function changeAndSave( $array ) { 

    $post_type = get_post_type();
    if ($post_type == "product"){

        /*GET THE PRODUCT*/
        global $product;
        $product_id=$product->id;

        /*GET CURRENT PRICE*/
        $currentPrice=$product->get_price_html();

        /*SET NEW PRICE*/
        /* HERE.... ¿¿ how do I set my new price */
        $newPrice = 100€;

        /*SAVE THE PRODUCT*/    
        $product = wc_get_product($product_id);
        $product->save();
    }
}; 

// add the action 
add_action( 'loop_start', 'changeAndSave', 10, 1 );

UPDATE: I tried this, but not working:

function changeAndSave( $array ) { 

    $post_type = get_post_type();
    if ($post_type == "product"){

        /*GET THE PRODUCT*/
        global $product;
        $product_id=$product->id;
        $product = wc_get_product($product_id);

        /*GET CURRENT PRICE*/
        $currentPrice=$product->get_price_html();

        /*SET NEW PRICE*/
        $newRegularPrice = 81;
        $product->set_regular_price($newRegularPrice);

        /*SAVE THE PRODUCT*/    
        $product->save();
    }
}; 

// add the action 
add_action( 'loop_start', 'changeAndSave', 10, 1 );
Tags:

2

Answers


  1. 0

    You may try this code blocks with given product IDs inside your code.

    To update regular prices:

    update_post_meta($productID, '_regular_price', $newRegularPrice);

    To update sale prices:

    update_post_meta($productID, '_sale_price', $newSalePrice);

    Update – depending on your comment:

    If it is a simple product:

    $product->set_regular_price( $newRegularPrice );
$product->set_price( $newRegularPrice );

    If it is a variation product, use “update_post_meta” function.

    Also you may check:

    1 – Woo-commerce 3.0 single product price is not changing properly

    2 – Update all variations prices of a variable product in Woocommerce

    Login or Signup to reply.
  2. 0

    Updated

    First, you are not using the right hook for that as it requires to be trigger before the page load.

    Try the following (for simple products):

    add_action( 'template_redirect', 'change_and_save_product_price' );

function change_and_save_product_price() {
    if ( get_post_type() === "product" ){ // or use: is_product()
        // HERE your new product price
        $new_price = 100;

        // Get an instance of the WC_Product Object
        $product = wc_get_product( get_the_id() );

        if ( $product->is_type('simple') ) {
            // Get current price (if needed)
            // $price = $product->get_price();

            // Set the new price
            $product->set_regular_price( $new_price );
            $product->set_price( $new_price );

            // (optionally) reset sale price => uncomment below
            // $product->set_sale_price( false );

            // Save to database refresh refresh caches
            $product->save();
        }
    }
}

    Code goes in functions.php file of your active child theme (or active theme). Tested and works.

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