mysql - looping array value with function php -


i'm trying create multi level dropdown menu mysql store data, , use twig theme engine, know there ton of code outside but, of them html output, since use twig, need array output, , let twig render it,(or maybe there other option, let me know if so).
code work if use html output. if change array output problem 2nd menu level show 1 array or first array, not loop.
array output mysql query , 

array (     [0] => array         (             [id] => 1             [title] => dashboard             [link] => 1.html             [parent_id] => 0         )      [1] => array         (             [id] => 2             [title] => master data             [link] => 2.html             [parent_id] => 0         )      [2] => array         (             [id] => 3             [title] => submaster             [link] => 11.html             [parent_id] => 2         )     [3] => array         (             [id] => 4             [title] => submaster             [link] => 12.html             [parent_id] => 2         )

and here code trying convert, mean before code html output (ul>li>ul>li>/li>/ul>/li>/lu)

$id = ''; function sub($items, $id){     foreach($items $item){         if($item['parent_id'] == $id){             return array("link" =>$item['link'],"title"=>$item['title']);             sub($items, $item['id']);         }     } } foreach($allmenu $data){     if($data['parent_id'] == 0){         $id = $data['id'];         $utama[]= array("link"=>$data['link'],"title"=>$data['title'],"sub"=>sub($allmenu, $id));     } }

and output above code

array (     [links] => array         (             [0] => array                 (                     [link] => 1.html                     [title] => dashboard                     [sub] =>                  )              [1] => array                 (                     [link] => 2.html                     [title] => master data                     [sub] => array                         (                             [link] => 11.html                             [title] => kampus                         )                  )          )  )

see.. in 2nd array (master data) should 2 array right? link 11.html , 12.html.
if there mistake code let me know, if there link job, let me know. thanks

hope work

function sub($items, $id){         foreach($items $item){             if($item['parent_id'] == $id){                 $sub = sub($items, $item['id']);                 if(!empty($sub))                     return array("link" =>$item['link'],"title"=>$item['title'],"sub"=>$sub);                 return array("link" =>$item['link'],"title"=>$item['title']);             }         }     }      foreach($allmenu $data){         if($data['parent_id'] == 0){             $id = $data['id'];             $utama[]= array("link"=>$data['link'],"title"=>$data['title'],"sub"=>sub($allmenu, $id));         }     }

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