Mac 更换 PHP 版本

已安装包列表

brew list

找到包名 brew link

brew link php@7.2

会有以下提示

Warning: php@7.2 is keg-only and must be linked with --force

If you need to have this software first in your PATH instead consider running:
  echo 'export PATH="/usr/local/opt/php@7.2/bin:$PATH"' >> ~/.zshrc
  echo 'export PATH="/usr/local/opt/php@7.2/sbin:$PATH"' >> ~/.zshrc

最终执行以下语句即可

echo 'export PATH="/usr/local/opt/php@7.2/bin:$PATH"' >> ~/.zshrc
source ~/.zshrc

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