Fixed #236 - problem with automatic casting of numeric values

src/Context/BaseContext.php

@@ -27,7 +27,12 @@ public static function getTranslationResources()
      */
     public function castToInt($count)
     {
-        return intval($count);
+        if (intval($count) < PHP_INT_MAX) {
+
+            return intval($count);
+        }
+
+        return $count;
     }
 
     protected function getMinkContext()

tests/features/rest.feature

@@ -56,9 +56,15 @@ Feature: Testing RESTContext
         When I send a GET request to "/rest/index.php"
         Then I should see "HTTP_XXX : yyy"
 
+    Scenario: Add header with large numeric value
+        Given I add "xxx-large-numeric" header equal to "92233720368547758070"
+        When I send a GET request to "/rest/index.php"
+        Then I should see "HTTP_XXX_LARGE_NUMERIC : 92233720368547758070"
+
     Scenario: Header should not be cross-scenarios persistent
         When I send a GET request to "/rest/index.php"
         Then I should not see "HTTP_XXX : yyy"
+        Then I should not see "HTTP_XXX_LARGE_NUMERIC"
 
     Scenario: Case-insensitive header name
         Like describe in the rfc2614 §4.2