fixup! Use native exception for json functions

lcobucci · Jun 21, 2019 · da4fb4d · da4fb4d
1 parent 8bbcf89
commit da4fb4d
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/Formatter/Json.php b/src/Formatter/Json.php
@@ -12,6 +12,8 @@
 use const JSON_HEX_TAG;
 use const JSON_THROW_ON_ERROR;
 use const JSON_UNESCAPED_SLASHES;
+use function assert;
+use function is_string;
 use function json_encode;
 use function sprintf;
 
@@ -35,7 +37,10 @@ public function __construct(int $flags = self::DEFAULT_FLAGS)
     public function format($content, array $attributes = []): string
     {
         try {
-            return json_encode($content, $this->flags | JSON_THROW_ON_ERROR);
+            $content = json_encode($content, $this->flags | JSON_THROW_ON_ERROR);
+            assert(is_string($content));
+
+            return $content;
         } catch (Throwable $exception) {
             throw new ContentCouldNotBeFormatted(
                 sprintf('An exception was thrown during JSON formatting: %s', $exception->getMessage()),