php - Only show size attributes in product box woocommerce when available

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First of all I want to say I have little coding experience. I want to show available sizes in the productbox on the shop page. I got this working after some searching around here. Now I want to only display the sizes when sizes are available. If there are no size attributes available I would like the text: No sizes available or no text at all.

I got the following code now:

add_action('woocommerce_after_shop_loop_item_title', 'display_size_attribute', 5);


function display_size_attribute() {

    global $product;

    if ($product->is_type('external')) {

        $taxonomy = 'pa_maat';

        echo "Maten:";
        echo '<span class="attribute-size">' 
                . $product->get_attribute($taxonomy) 
        . '</span>';

    }

}

First of all I want to say I have little coding experience. I want to show available sizes in the productbox on the shop page. I got this working after some searching around here. Now I want to only display the sizes when sizes are available. If there are no size attributes available I would like the text: No sizes available or no text at all.

I got the following code now:

add_action('woocommerce_after_shop_loop_item_title', 'display_size_attribute', 5);


function display_size_attribute() {

    global $product;

    if ($product->is_type('external')) {

        $taxonomy = 'pa_maat';

        echo "Maten:";
        echo '<span class="attribute-size">' 
                . $product->get_attribute($taxonomy) 
        . '</span>';

    }

}

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Share Improve this question edited Nov 13, 2019 at 11:28 Kaperto 47833 silver badges1010 bronze badges asked Nov 13, 2019 at 10:14 SalespottersSalespotters 111 bronze badge

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1 Answer 1

Sorted by: Reset to default 1

to test is the text is not empty, try that :

function display_size_attribute() {

    global $product;

    if ($product->is_type('external')) {

        $taxonomy = 'pa_maat';

        $text = $product->get_attribute($taxonomy);

        if (!empty($text)) {
            echo "Maten:";
            echo '<span class="attribute-size">' 
                    . htmlspecialchars($text) 
            . '</span>';
        }

    } // END if ($product->is_type('external')) {


} // END function display_size_attribute() {

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