[2.0][Process] In edge cases `getcwd()` can return `false`#6620

Merged

fabpot merged 1 commit intosymfony:2.0from

stloyd:bugfix/process_cwd

Jan 10, 2013

Commits on Jan 10, 2013

[Process] 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)
stloyd
committed