symfony/symfony — pull request #4100 by Seldaek (2012-04-24 17:05:06+00:00)
Title: [Console] Use proc_open instead of exec to suppress errors.

stty is *sometimes* there on windows, but not always, so with proc_open we can quietly return null instead of outputting errors.

/cc @gnutix: that's the error you told me about this morning in https://gist.github.com/2478037