Custom Tabs on Detail Site only at specific Custom Post Type

Hello Thomas,
try the following code (not tested on my site)

add_filter('geodir_detail_page_tab_list_extend', 'geodir_detail_page_tab_list_extend') ;

function geodir_detail_page_tab_list_extend($tab_array)
{
 $tab_array['sportaktiv_tab'] = array( 
										'heading_text' =>  __('SPORTaktiv',GEODIRECTORY_TEXTDOMAIN),
										'is_active_tab' => false,
										'is_display' =>  apply_filters('geodir_detail_page_tab_is_display', true, 'sportaktiv_tab'),
										'tab_content' => ''
									);
    
     	$tab_array['routen_tab'] = array( 
										'heading_text' =>  __('Routen',GEODIRECTORY_TEXTDOMAIN),
										'is_active_tab' => false,
										'is_display' =>  apply_filters('geodir_detail_page_tab_is_display', true, 'routen_tab'),
										'tab_content' => ''
									);

     	$tab_array['sportdetails_tab'] = array( 
										'heading_text' =>  __('Sportdetails',GEODIRECTORY_TEXTDOMAIN),
										'is_active_tab' => false,
										'is_display' =>  apply_filters('geodir_detail_page_tab_is_display', true, 'sportdetails_tab'),
										'tab_content' => ''
									);

	return $tab_array ;
}

add_action('geodir_after_tab_content' ,'geodir_my_new_tab_content');
function geodir_my_new_tab_content($tab_index)
{
global $post; 

$current_posttype = geodir_get_current_posttype();

	if($current_posttype != "YOUR CUSTOM TYPE eg gd_place") { 

	if($tab_index =='sportaktiv_tab')
	{
        global $wpdb;
        $id = get_the_ID();
        $sportaktivinfos = $wpdb->get_var("SELECT geodir_c4y_sportaktiv_infos FROM geodir_gd_aktiv_hotels_detail WHERE post_id = $id ");
     
   echo $sportaktivinfos;
        
	}

    
    if($tab_index =='routen_tab')
	{
        global $wpdb;
        $id = get_the_ID();
        $routeninfos = $wpdb->get_var("SELECT geodir_c4y_detail_nearby_routes FROM geodir_gd_aktiv_hotels_detail WHERE post_id = $id ");

   echo $routeninfos;
	}
	
	
if($tab_index =='sportdetails_tab')
	{
        global $wpdb;
        $id = get_the_ID();
        $bikeinfos = $wpdb->get_var("SELECT geodir_c4y_detail_sport FROM geodir_gd_aktiv_hotels_detail WHERE post_id = $id ");

   echo $bikeinfos;
	}	
}
}

what I’ve done is to add an if statement so you need to add your post type in the row where it says:
if($current_posttype != “YOUR CUSTOM TYPE eg gd_place”) {

Don’t worry about your english, it is surely better than mine 😉

could you please give me your FTP in a private reply? thanks

@Simone sorry to bother but he wants to remove the tab not the content, so here is better code

add_filter('geodir_detail_page_tab_list_extend', 'geodir_detail_page_tab_list_extend') ;

function geodir_detail_page_tab_list_extend($tab_array)
{
global $post ;
if($post->post_type != 'Write the post type u want to hide this tab for') // e.g gd_place
{
 $tab_array['sportaktiv_tab'] = array( 
										'heading_text' =>  __('SPORTaktiv',GEODIRECTORY_TEXTDOMAIN),
										'is_active_tab' => false,
										'is_display' =>  apply_filters('geodir_detail_page_tab_is_display', true, 'sportaktiv_tab'),
										'tab_content' => ''
									);
    
     	$tab_array['routen_tab'] = array( 
										'heading_text' =>  __('Routen',GEODIRECTORY_TEXTDOMAIN),
										'is_active_tab' => false,
										'is_display' =>  apply_filters('geodir_detail_page_tab_is_display', true, 'routen_tab'),
										'tab_content' => ''
									);

     	$tab_array['sportdetails_tab'] = array( 
										'heading_text' =>  __('Sportdetails',GEODIRECTORY_TEXTDOMAIN),
										'is_active_tab' => false,
										'is_display' =>  apply_filters('geodir_detail_page_tab_is_display', true, 'sportdetails_tab'),
										'tab_content' => ''
									);
}// end of if for post type check 

	return $tab_array ;
}

Let me know if it works.

Thanks