Mac上切換php版本
使用 brew unlink / link 來切換 php 的版本
以下示範 php 8.1 切換到 7.4
# 查看目前php版本為 8.1 $ php -v PHP 8.1.6 (cli) (built: May 12 2022 23:44:53) (NTS) Copyright (c) The PHP Group Zend Engine v4.1.6, Copyright (c) Zend Technologies with Zend OPcache v8.1.6, Copyright (c), by Zend Technologies # 查看其他有安裝的版本 $ brew search php ==> Formulae brew-php-switcher php@7.2 phplint pcp php ✔ php@7.3 phpmd pup php-code-sniffer php@7.4 ✔ phpmyadmin php-cs-fixer php@8.0 phpstan php-cs-fixer@2 phpbrew phpunit # 取消目前版本 $ brew unlink php Unlinking /usr/local/Cellar/php/8.1.6... 24 symlinks removed. # 更新為 7.4版 $ brew link php@7.4 Linking /usr/local/Cellar/php@7.4/7.4.29... 25 symlinks created. If you need to have this software first in your PATH instead consider running: echo 'export PATH="/usr/local/opt/php@7.4/bin:$PATH"' >> ~/.zshrc echo 'export PATH="/usr/local/opt/php@7.4/sbin:$PATH"' >> ~/.zshrc # 再查看php目前的版本可以看到已經更新為 7.4囉! $ php -v PHP 7.4.29 (cli) (built: Apr 14 2022 11:49:03) ( NTS ) Copyright (c) The PHP Group Zend Engine v3.4.0, Copyright (c) Zend Technologies with Zend OPcache v7.4.29, Copyright (c), by Zend Technologies

