Merge pull request zendframework#105 from FraGoTe/patch-1

Update Code128.php
Xerkus · May 17, 2017 · 1fbb4fd · 1fbb4fd
2 parents 95c9386 + 5551b3d
commit 1fbb4fd
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;
         }