将多级数组解析为视图文件

function recurse_output($input, $level = 0) {
    foreach($input as $key => $value) {
        echo "n", str_repeat(" ", $level);
        echo "<div>{$key} is: ";
        if(is_array($value))
            recurse_output($value, $level + 1);
        else
            echo $value;
        echo str_repeat(" ", $level);
        echo "</div>n";
    }
}

<div>1 is: 
 <div>10 is: 
  <div>text is: test  </div>
 </div>

 <div>15 is: 
  <div>12 is: 
   <div>text is: Test   </div>
  </div>
 </div>

 <div>text is: Nr. 1 </div>
</div>

<div>4 is: 
 <div>14 is: 
  <div>text is: Hello  </div>
 </div>

 <div>text is: Nr. 4 </div>
</div>

$key

'text'