Enhance testing that parameter is correct

zendframework · Mar 10, 2014 · 8246507 · 8246507
1 parent 88f17c7
commit 8246507
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/Reader/Reader.php b/src/Reader/Reader.php
@@ -299,10 +299,11 @@ public static function importRemoteFeed($uri, Http\ClientInterface $client)
      */
     public static function importString($string)
     {
-        $string = trim($string);
-        if (empty($string)) {
-            throw new Exception\InvalidArgumentException('Empty string supplied as input');
+        $trimmed = trim($string);
+        if (!is_string($string) || empty($trimmed)) {
+            throw new Exception\InvalidArgumentException('Only non empty strings are allowed as input');
         }
+
         $libxmlErrflag = libxml_use_internal_errors(true);
         $oldValue = libxml_disable_entity_loader(true);
         $dom = new DOMDocument;