Don't push code coverage when on hhvm environment.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1' into 2.2
Utilize Illuminate\Support\Arr.

Signed-off-by: crynobone <crynobone@gmail.com>
Additional tweak

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.2'