The solution to "Beautiful Strings" on facebook's hackers cup in php https://www.facebook.com/hackercup/problems.php?pid=475986555798659&round=185564241586420

bs.php

<?php
$case = 0;

$filename = "beautiful_stringstxt";
$facebook = file($filename, FILE_IGNORE_NEW_LINES);
foreach($facebook as $line) 
{
  $linebeauty = 0;
    if (!($case == 0)){
    	$stack = array();
   	$line = strtolower(preg_replace('/[^a-z]+/i', '', $line));
   	$linechars = count_chars($line, 1);
   	foreach($linechars as $letter => $amount){
   		array_push($stack, $amount);
   	}
   	arsort($stack);
   	$currentbeauty = 26;
   	foreach($stack as $letter){
   		$letterval = $letter * $currentbeauty;
   		$linebeauty = $linebeauty+$letterval;
   		$currentbeauty--;
   	}
   	echo 'Case #'.$case.': '.$linebeauty. PHP_EOL;
    }
    $case++;
}
?>