diff options
Diffstat (limited to 'vendor/symfony/http-foundation/ResponseHeaderBag.php')
| -rw-r--r-- | vendor/symfony/http-foundation/ResponseHeaderBag.php | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/vendor/symfony/http-foundation/ResponseHeaderBag.php b/vendor/symfony/http-foundation/ResponseHeaderBag.php index 9e07221933..cf44d0eceb 100644 --- a/vendor/symfony/http-foundation/ResponseHeaderBag.php +++ b/vendor/symfony/http-foundation/ResponseHeaderBag.php @@ -122,8 +122,7 @@ class ResponseHeaderBag extends HeaderBag parent::set($key, $values, $replace); // ensure the cache-control header has sensible defaults - if (\in_array($uniqueKey, ['cache-control', 'etag', 'last-modified', 'expires'], true)) { - $computed = $this->computeCacheControlValue(); + if (\in_array($uniqueKey, ['cache-control', 'etag', 'last-modified', 'expires'], true) && '' !== $computed = $this->computeCacheControlValue()) { $this->headers['cache-control'] = [$computed]; $this->headerNames['cache-control'] = 'Cache-Control'; $this->computedCacheControl = $this->parseCacheControl($computed); |