Support for 5x5 and 6x6 boards

Author: mwatson

examples/example03.php

@@ -0,0 +1,34 @@
+<?php
+header('Content-Type: text/plain; charset=utf-8');
+
+// if you just use composer:
+//include(__DIR__ . '/../vendor/autoload.php');
+
+// if you don't have an autoloader for some reason
+include(__DIR__ . '/../src/BoggleTile.php');
+include(__DIR__ . '/../src/BoggleException.php');
+include(__DIR__ . '/../src/BoggleSolver.php');
+
+// testing a board with a Qu tile
+$boggleBoard = "N D O P N T E O O N A Z L N E A D M T S Y A E R L";
+
+$boggle = new \BoggleSolver\BoggleSolver();
+
+try {
+    $boggle->loadBoard($boggleBoard);
+} catch (\BoggleSolver\BoggleException $e) {
+    die("exiting on error: " . $e->getMessage());
+}
+
+$words = $boggle->findWords();
+
+echo "Boggle Board:\n\n";
+echo $boggle->displayBoard();
+
+echo "\n";
+
+foreach ($words as $word => $paths) {
+    echo $word . "\n";
+}
+
+echo "\n";

src/BoggleSolver.php

@@ -108,6 +108,12 @@ public function loadBoard($board)
             case 16:
                 $this->size = 4;
                 break;
+            case 25:
+                $this->size = 5;
+                break;
+            case 36:
+                $this->size = 6;
+                break;
             default:
                 throw new BoggleException("Unknown board size of " . strlen($board));
         }