Appease Stan

Author: andrewdalpino

src/Transformers/ImageResizer.php

@@ -92,8 +92,8 @@ public function resize(array &$sample) : void
     {
         foreach ($sample as &$value) {
             if (DataType::detect($value)->isImage()) {
-                $width = imagesx($value);
-                $height = imagesy($value);
+                $width = imagesx($value) ?: 0;
+                $height = imagesy($value) ?: 0;
 
                 if ($width === $this->width and $height === $this->height) {
                     continue;

src/Transformers/ImageVectorizer.php

@@ -91,8 +91,8 @@ public function fit(Dataset $dataset) : void
                 $value = $sample[$column];
 
                 $this->sizes[$column] = [
-                    imagesx($value),
-                    imagesy($value),
+                    imagesx($value) ?: 0,
+                    imagesy($value) ?: 0,
                 ];
             }
         }