Just don't use bashisms when your default shell is not bash.
The default shell is not interpreting &> as redirection of stdout and stderr, but as background character and runs *two* processes, fist php without redirection and second with empty command (so it probably barfs), but redirected to >/dev/null.
Just don't use bashisms when your default shell is not bash.
The default shell is not interpreting &> as redirection of stdout and stderr, but as background character and runs *two* processes, fist php without redirection and second with empty command (so it probably barfs), but redirected to >/dev/null.