Merge branch 'hotfix/105'

Close #105
zendframework · May 17, 2017 · c5899d3 · c5899d3
2 parents 95c9386 + 1fbb4fd
commit c5899d3
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/Barcode/Code128.php b/src/Barcode/Code128.php
@@ -180,7 +180,10 @@ public function hasValidCharacters($value)
                     break;
             }
 
-            $value = $strWrapper->substr($value, 1, null);
+            if (!empty($value) && strlen($value) > 1) {
+                $value = $strWrapper->substr($value, 1, null);
+            }
+
             $read  = $set;
         }