Merge pull request #13 from emirajbbd/master

Fixed PHP Error: A non-numeric value encountered Issue
Cloudstek · Sep 19, 2019 · 41f9d0f · 41f9d0f
2 parents c3b9e20 + a2f7fac
commit 41f9d0f
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/Packer.php b/src/Packer.php
@@ -342,9 +342,9 @@ public function _get_volume($box)
             throw new \InvalidArgumentException("_get_volume function only accepts arrays with 3 values (length, width, height)");
         }
 
-        $box = array_values($box);
-
-        return $box[0] * $box[1] * $box[2];
+        $box = array_filter($box, 'strlen');
+        
+        return (isset($box['length'])?$box['length']:$box[0]) * (isset($box['width'])?$box['width']:$box[1]) * (isset($box['height'])?$box['height']:$box[2]);;
     }
 
     /**
@@ -554,4 +554,4 @@ private function _fill_space($space)
             }
         }
     }
-}
+}