Nema osmc jine prikazy (aptitude) jak Raspberry (raspbian) ?
(je mi lito, pod OSMC jsem PHP jeste neinstaloval)
Pro PHP 7.0 muzes diztak pridat do source list :
deb http://repozytorium.mati75.eu/raspbian jessie-backports main contrib non-free
#deb-src http://repozytorium.mati75.eu/raspbian jessie-backports main contrib non-free