22

euler22.php

@@ -0,0 +1,23 @@
+<?php
+/*
+* Gnieark's anwser to euler problem 22
+* https://projecteuler.net/problem=22
+*/
+
+$names=explode('","',substr(file_get_contents("inc/p022_names.txt"),1,-1));
+sort($names);
+
+$letters="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+for($i=0;$i<strlen($letters);$i++){
+  $lettersScores[substr($letters,$i,1)]=$i+1;
+}
+
+$sum=0;
+foreach($names as $order => $name){
+  $nameScore=0;
+  for($i=0; $i<strlen($name);$i++){
+    $nameScore+=$lettersScores[substr($name,$i,1)];
+  }
+  $sum+=$nameScore * ($order +1);
+}
+echo $sum;