Installing PHP 7.1 with intl on macOS High Sierra
Brew updated the latest 7.1 to include intl in the binary:
$ brew reinstall php@7.1
$ echo ‘export PATH=”/usr/local/opt/php@7.1/bin:$PATH”‘ >> ~/.zshrc
$ echo ‘export PATH=”/usr/local/opt/php@7.1/sbin:$PATH”‘ >> ~/.zshrc
$ export LDFLAGS=”-L/usr/local/opt/php@7.1/lib”
$ export CPPFLAGS=”-I/usr/local/opt/php@7.1/include”
$ brew services start php@7.1