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add_action( 'wp', 'clear_variable_product_price_cache_on_load' );

function clear_variable_product_price_cache_on_load() {
    // Check if we're on a single product page
    if ( ! is_product() ) {
        return;
    }
    
    // Get the current product
    $product_id = get_the_ID();
    $product = wc_get_product( $product_id );
    
    if ( ! $product || ! $product->is_type( 'variable' ) ) {
        return;
    }
    
    // Clear variable product price transients
    delete_transient( 'wc_var_prices_' . $product_id );
    
    // Clear the product children cache
    delete_transient( 'wc_product_children_' . $product_id );
    
    // Clear all product transients
    wc_delete_product_transients( $product_id );
    
    // Clear variation prices from cache
    foreach ( $product->get_children() as $variation_id ) {
        wp_cache_delete( $variation_id, 'post' );
        delete_transient( 'wc_var_prices_' . $variation_id );
    }
	
    
    // Force the product to recalculate prices
    $product->get_variation_prices( true ); // true = force refresh
}