diff options
Diffstat (limited to 'lib/private/Files/Stream/HashWrapper.php')
-rw-r--r-- | lib/private/Files/Stream/HashWrapper.php | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/private/Files/Stream/HashWrapper.php b/lib/private/Files/Stream/HashWrapper.php index fd9bb3cdd0b..b2bfcff68d4 100644 --- a/lib/private/Files/Stream/HashWrapper.php +++ b/lib/private/Files/Stream/HashWrapper.php @@ -67,7 +67,11 @@ class HashWrapper extends Wrapper { public function stream_close() { if (is_callable($this->callback)) { - call_user_func($this->callback, hash_final($this->hash)); + // if the stream is closed as a result of the end-of-request GC, the hash context might be cleaned up before this stream + if ($this->hash instanceof \HashContext) { + $hash = hash_final($this->hash); + call_user_func($this->callback, $hash); + } // prevent further calls by potential PHP 7 GC ghosts $this->callback = null; } |