Ubuntu
glibc package

  1. Bug #1674532
  2. Comment #46

Comment 46 for bug 1674532

Revision history for this message
Lukas (jossnaz) wrote :

http://stackoverflow.com/questions/43053872/file-get-contents-with-full-url-to-same-server-very-slow-with-php-7-as-of-very-r

it is not even necessary that the DNS lookup doesn't work, it actually can be just very very slow so it seems to me at least