https://bugs.php.net/bug.php?id=23877&edit=2
PHP :: Request #23877 :: ob_implicit_flush does not work
does notphprequestobimplicit
https://eol.jsc.nasa.gov/SearchPhotos/photo.pl?mission=ISS009&roll=E&frame=23877
Astronaut Photo ISS009-E-23877
astronautphotoe