WIP stats bigram letter (& ctype_alnum)

application/src/LexiconBundle/Manager/LetterManager.php

@@ -28,7 +28,7 @@ class LetterManager
     {
         $string2print="Lettre Language= ".$language->getValue()."\n";
         foreach ($letters as $letterValue) {
-            if (ctype_alpha($letterValue)) {
+            if (ctype_alnum($letterValue)) {
                 $letter = new Letter();
                 $letter->setLanguage($language);
                 $letter->setValue($letterValue);

application/src/MagicWordBundle/Command/GenerateGridCommand.php

@@ -27,7 +27,9 @@ class GenerateGridCommand extends ContainerAwareCommand
         $languageName = $input->getArgument('languageName');
         $threshold = $input->getArgument('threshold');
         $totalFormCount = 0;
+        $totalFormCountAll = 0;
         $keptGrid = 0;
+        $allGrid = 0;
 
         while ($keptGrid < $number) {
             $language = $em->getRepository('LexiconBundle:Language')->findOneByValue($languageName);
@@ -36,6 +38,7 @@ class GenerateGridCommand extends ContainerAwareCommand
             $timeEnd = microtime(true);
             $executionTime = round($timeEnd - $timeStart, 2);
             $formCount = $grid->getFoundableForms()? count($grid->getFoundableForms()) : 0;
+            $totalFormCountAll += $formCount;
 
             if ($threshold && $formCount < $threshold) {
                 $output->writeln('<comment>A grid has been generated but does not contains enough forms ('.$formCount.'). (generated in '.$executionTime.' sec.)</comment>');
@@ -57,9 +60,13 @@ class GenerateGridCommand extends ContainerAwareCommand
                 $totalFormCount += $formCount;
             }
             $em->clear();
+            $allGrid++;
         }
 
         $average = round($totalFormCount / $keptGrid);
+        $averageAll = round($totalFormCountAll / $allGrid);
         $output->writeln('<info>Done ! (average form count: '.$average.')</info>');
+
+        $output->writeln('<info>Done ! (average form count for all grids: '.$averageAll.')</info>');
     }
 }