WooCommerce - get specific Attribut

attribute - Alkohol - Woocommerce

add_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_alk', 4 );
function woocommerce_template_single_alk() {
    global $product;
    $alk = $alk_s = $alk_temp = $alk_original = "";
    $alk = get_the_terms( $product->id, 'pa_alkoholgehalt');  // Get Attribute from Produkt

    if($alk == NULL) {
        _e('Kein Alkoholgehalt angegeben', 'GUID-Theme');
        return;
    }

    $alk_count = count($alk);

    if($alk_count < 1)
        return;

    // Change String into a comparable integer
    $alk_temp = $clean = preg_replace('/[^\\d.,]+/', '', $alk{0}->name);    // Remove everything but , . and digits for comparing
    $alk_original = $alk_temp;                                              // Save original value for output

    $alk_temp = intval(preg_replace('/\,/', '.', $alk_temp));               // Replace all , with . - to make it compareable

    // Change Value based on specific conditions
    if($alk_temp < 10) {
        $alk_s = '< 10 vol %';
    } else if ($alk_temp > 13.5) {
        $alk_s = '> 13,5 vol %';
    } else {
        $alk_s = $alk_original . ' vol %';
    }

    echo sprintf('<div class="shop-item-alkohol"><span>%s</span></div>', $alk_s);
}

Place into functions.php (e.g.)