Prevent printing key indexes while printing the value - PHP
array(
  'Home' => array(
    'About',
    'Contact'
  ),
  'News'
);

function show($arr){
    foreach($arr as $key => $value){
      echo "n<ul>n<li>n" . $key;
      if( ! empty($value)){
        if(is_array($value)){
          show($value);
        }else{
          echo $value;
        }
      }
      echo "n</li>n</ul>n";
    }
}

Home
  0About
  1Contact
0News

array(
  'Home' => array(
    'About' => **array()**,
    'Contact' => **array()**
  ),
  'News' => **array()**
);

function show($arr){
     foreach($arr as $key => $value){
       echo "n<ul>n<li>";
       if( ! empty($value)){
         if(is_array($value)){
          echo 'n'.$key;
           show($value);
         }else{
           echo $value;
         }
       }
       echo "n</li>n</ul>n";
     } }

function show($arr){
foreach($arr as $key => $value){
  if (is_numeric($key))
  echo "n<ul>n<li>n";
  else
  echo "n<ul>n<li>n" . $key;
  if( ! empty($value)){
    if(is_array($value)){
      show($value);
    }else{
      echo $value;
    }
  }
  echo "n</li>n</ul>n";
}
}