formatting

src/Illuminate/Pagination/AbstractCursorPaginator.php

@@ -196,30 +196,32 @@ public function getParametersForItem($item)
             ->flip()
             ->map(function ($_, $parameterName) use ($item) {
                 if ($item instanceof ArrayAccess || is_array($item)) {
-                    return $this->castParameter($item[$parameterName] ?? $item[Str::afterLast($parameterName, '.')]);
+                    return $this->ensureParameterIsPrimitive(
+                        $item[$parameterName] ?? $item[Str::afterLast($parameterName, '.')]
+                    );
                 } elseif (is_object($item)) {
-                    return $this->castParameter($item->{$parameterName} ?? $item->{Str::afterLast($parameterName, '.')});
+                    return $this->ensureParameterIsPrimitive(
+                        $item->{$parameterName} ?? $item->{Str::afterLast($parameterName, '.')}
+                    );
                 }
 
                 throw new Exception('Only arrays and objects are supported when cursor paginating items.');
             })->toArray();
     }
 
     /**
-     * Casts the given item parameter. When the given parameter is an object and can
-     * be cast to a string, the stringified representation will be returned,
-     * otherwise the original parameter will be returned.
+     * Ensure the parameter is a primitive type.
+     *
+     * This can resolve issues that arise the developer uses a value object for an attribute.
      *
      * @param  mixed  $parameter
-     * @return string
+     * @return mixed
      */
-    public function castParameter($parameter)
+    protected function ensureParameterIsPrimitive($parameter)
     {
-        if (is_object($parameter) && method_exists($parameter, '__toString')) {
-            return (string) $parameter;
-        }
-
-        return $parameter;
+        return is_object($parameter) && method_exists($parameter, '__toString')
+                        ? (string) $parameter
+                        : $parameter;
     }
 
     /**