Bug #75870 [Opn->Fbk]: header() terminates execution when Content-Length is 0

Edit report at https://bugs.php.net/bug.php?id=75870&edit=1 ID: 75870 Updated by: requinix@php.net Reported by: km dot wrona at gmail dot com Summary: header() terminates execution when Content-Length is 0 -Status: Open +Status: Feedback Type: Bug -Package: *General Issues +Package: FPM related Operating System: Alpine PHP Version: 7.1.13 Block user comment: N Private report: N New Comment: Were permissions on /var/www/html set to allow the new file? Try in /tmp instead. And do you have the gzip module installed and enabled in nginx? Try without. Previous Comments: ------------------------------------------------------------------------ [2018-01-24 22:49:38] spam2 at rhsoft dot net cause and effect pretty sure beause of the empty content-length the connection to the fcgi-worker is closed and so as result the script terminated - either use output-buffering or user_abort_ignore(true) and that would be impossible to happen beause with output buffering anything starts to hits the cient *after* the whole script has finished and most applications use ob_stzart() anyways to have the capability send headers at any point in time http://php.net/manual/de/function.ignore-user-abort.php http://php.net/manual/de/function.ob-start.php ------------------------------------------------------------------------ [2018-01-24 21:30:46] km dot wrona at gmail dot com nginx 1.12.2 php-fpm 7.1.12 I've changed the test script in accordance with your advice to the following: ---- header('content-length: 0', false, null); touch('/var/www/html/'.time()); die('done'); ---- Neither the file was created nor the "done" was displayed. I've rebuilt my container to use php7.2.1 and it's exactly the same. ------------------------------------------------------------------------ [2018-01-24 20:23:32] requinix@php.net What web server (Apache, nginx, etc.) and how is PHP running (like via module or FPM)? And are you sure *execution* stops or can you simply not see the output? Try something like touch()ing a file. ------------------------------------------------------------------------ [2018-01-24 18:03:30] km dot wrona at gmail dot com Description: ------------ header() terminates execution when content-length is 0 This happens on Alpine3.7 php 7.1.12, for some reason not available in the list above. It works fine on Ubuntu 16.04 php 7.1.13 Test script: --------------- <?php header('content-length: 0', false, null); echo 'this is longer than 0'; exit; Expected result: ---------------- this is longer than 0 Actual result: -------------- NOTHING (BLANK) ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=75870&edit=1