1 files changed, 5 insertions, 1 deletions
diff --git a/http/api-inc.php b/http/api-inc.php
index 720926f..c75ed2e 100644
--- a/http/api-inc.php
+++ b/http/api-inc.php
@@ -61,6 +61,10 @@ class ApiPkl {
         $this->parameters = $this->parse_parameters($parameters);
     }
 
+    protected function is_integer($value) {
+        return ctype_digit($value) || is_int($value);
+    }
+
     function ensure_parameters($params) {
         foreach ($params as $param) {
             if (!isset($this->parameters[$param])) {
@@ -261,7 +265,7 @@ class ApiPklV3 extends ApiPklV2 {
         }
         if (isset($this->parameters['boards'])) {
             $this->check_values($this->parameters, array(
-                'boards' => function($r) { return ctype_digit($r); }
+                'boards' => function($r) { return $this->is_integer($r); }
             ));
             $this->parameters['over39_boards'] = strval(intval($this->parameters['boards'] > 39));
         }