symfony/symfony — pull request #6620 by stloyd (2013-01-08 12:32:47+00:00)
Title: [2.0][Process] In edge cases `getcwd()` can return `false`

Bug fix: yes
Feature addition: no
BC break: no
Symfony2 tests pass: yes

In edge cases `getcwd()` can return `false`, then `proc_open()` should get `null` to use default value (the working dir of the current PHP process).