Word Descrambler - PHP

descramble_php

<?
$arr = keypadsArr("h,e,s,s,c");
echo "Created by: Chester Grant \n";
echo "Purpose: Unscrambles letters(see line 199)\n";
echo "Date: 9th/04/2011\n";
combination("",0,$arr);
function combination($output,$pos,$dataSet){
    
   if($pos == count($dataSet)){
       echo $output."\n";
       return;
   }

   for($i=0; $i < count($dataSet);$i++){
      $ltr = $dataSet[$i];
      if(substr_count($output,$ltr)<substr_count(implode($dataSet),$ltr )){
           $new_output = $output.$dataSet[$i];
           combination($new_output,$pos+1,$dataSet);
      }       
   }
}

function keypadsArr($str){
 return $arr1= explode(",",$str);
}
?>