* resolves: https://github.com/nextcloud/documentation/issues/9574
Some clients like DAVx5 use chunked transfer encoding.
PHP-FPM does not support this[1] because it requires to comply with the
CGI standard - 20+ years old - which enforces a Content-Length header.
So we need to buffer the whole request until passing it to PHP-FPM.
Without this 0-byte files would be created on Nextcloud as PHP-FPM will
not only set content-length to 0 but also does not pass the body data
stream.
[1] https://bugs.php.net/bug.php?id=51191 and https://github.com/php/php-src/pull/7509
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
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