Cast the length to comply with ints provided by JSON Feed alexdebril#374 (alexdebril#380)

Author: alexdebril

src/FeedIo/Feed/Item/Media.php

@@ -88,12 +88,12 @@ public function getLength(): ?string
     }
 
     /**
-     * @param string|null $length
+     * @param mixed $length
      * @return MediaInterface
      */
-    public function setLength(?string $length): MediaInterface
+    public function setLength($length) : MediaInterface
     {
-        $this->length = $length;
+        $this->length = (string) intval($length);
 
         return $this;
     }

src/FeedIo/Feed/Item/MediaInterface.php

@@ -61,10 +61,10 @@ public function setUrl(?string $url): MediaInterface;
     public function getLength(): ?string;
 
     /**
-     * @param  string $length
+     * @param  mixed $length
      * @return MediaInterface
      */
-    public function setLength(?string $length): MediaInterface;
+    public function setLength($length) : MediaInterface;
 
     /**
      * @return string

tests/samples/feed.json

@@ -20,7 +20,8 @@
       "attachments": [
         {
           "url": "http://localhost/some-resource.jpg",
-          "mime_type": "image/jpg"
+          "mime_type": "image/jpg",
+          "size_in_bytes": 12345
         }
       ]
     },