title: Mac can't remove php 7.2
body: <p>Can't remove php from mac, tried everything on web
  I tried to remove it via Terminal, and when i type <strong>php -v</strong> it returns : <strong>command not found</strong>, but when I try to install magento on the localhost It says <strong>I still have php 7.2 installed</strong>, tried to remove with homebrew, terminal, no use
  Please help me to remove it, or at least downgrade to php 7.0</p>