@php
function categoryTree($parent_id = 0, $sub_mark = ''){
$query = DB::table('category')->where('parent_id','=', $parent_id)->get();
if(count($query) > 0){
foreach($query as $value){
$s="";
echo '
';
categoryTree($value->cat_id, $sub_mark.'---');
}
}
}
@endphp
@endsection