blocktopmenu.php putting subcategory limit

[blackwinds]

i have categories but AUCTIONS category has more than 100 sub categories 

how can i limit this subcategories to 5 or 10 ?

 

my AUCTIONS category id is 25

i write this

 

             if (($category['id_category']) == 25){

                $html .= '<a href="/onceki-muzayedeler/">See all past auctions</a>';

            }

it works but how can i put a limit

has any one idea ? can i declear a limit but how ?

Edited October 30, 2015 by blackwinds (see edit history)

[blackwinds]

i solve it 

may be someone need in future

for category 25 i put a variable and 

i modify the category list loop with if ($mycount++ < 4)

 

  if (($category['id_category']) == 25){

                $mycount==0;

            }

foreach ($categories as $key => $category)if ($mycount++ < 4) {