JivoyRoman

$fields = get_fields();
$flag=false;
if ( $fields ){
foreach( $fields as $name => $value )
{
if ($field['parent']==2581 && !empty($field['value']) && $field['name']!=='mini_opisanie_vibor_vid_product')
{
$flag=true;break;
}
}
}
if ($flag)
{
$tabs['korotkoe_opisanie_tab'] = array(
        'title'     => __( 'Короткое описание товара', 'woocommerce' ),
        'priority'  => 10,
        'callback'  => 'woo_new_product_tab_content_korotkoe'
    );
}

$fields = get_fields();
$flag=false;
if ( $fields ){
foreach( $fields as $name => $value )
{
if ($field['parent']==14 && !empty($field['value']) && $field['name']!=='full_opisanie_vibor_vid_product')
{
$flag=true;break;
}
}
}
if ($flag)
{
$tabs['polnoe_opisanie_tab'] = array(
        'title'     => __( 'Полное описание товара', 'woocommerce' ),
        'priority'  => 11,
        'callback'  => 'woo_new_product_tab_content_polnoe'
    );
}