phpApi: lowercase search queries and postings base

twbackends/phpAPI/csv_indexation.php

@@ -67,6 +67,8 @@ function parse_and_index_csv($filename, $typed_cols_to_index, $separator, $quote
 
                 foreach($tokens as $tok) {
 
+                  $tok = strtolower($tok);
+
                   if (strlen($tok)) {
 
                     // POSS : stopwords could be used here

twbackends/phpAPI/info_div.php

@@ -113,6 +113,8 @@ else {
         continue;
       }
 
+      $tok = strtolower($tok);
+
       // echodump("tok", $tok);
       // echodump("searchcols", $searchcols);