聊聊brew link更换php版本失败问题

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我是靠谱客的博主含糊画笔，最近开发中收集的这篇文章主要介绍聊聊brew link更换php版本失败问题，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

本文给大家聊聊brew link更换php版本失败问题，希望对需要的朋友有所帮助！

问题描述：

我透過 brew 安裝三種php版本

php 5.6
php 7.4
php 8.0
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$ php -v

PHP 8.0.3 (cli) (built: Mar  4 2021 20:45:17) ( NTS )
Copyright (c) The PHP Group
Zend Engine v4.0.3, Copyright (c) Zend Technologies
    with Zend OPcache v8.0.3, Copyright (c), by Zend Technologies
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停用8.0使用7.4

$ brew unlink php@8.0 && brew link php@7.4
Unlinking /usr/local/Cellar/php/8.0.3... 0 symlinks removed.
Linking /usr/local/Cellar/php@7.4/7.4.16... 264 symlinks created.
$ php -v
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還是一樣版本

我開新的終端機也是一樣8.0.3

PHP 8.0.3 (cli) (built: Mar  4 2021 20:45:17) ( NTS )
Copyright (c) The PHP Group
Zend Engine v4.0.3, Copyright (c) Zend Technologies
    with Zend OPcache v8.0.3, Copyright (c), by Zend Technologies
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中規中矩操作了

這是哪裏有少設置了？

分析解决：

你可以尝试安装一个PHP选择器

brew update
brew upgrade
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参考文档

https://github.com/shivammathur/homebrew-php
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安装指定php brew install shivammathur/php/php@7.3

链接php版本 brew link --overwrite --force php@7.3

如果出现报错

Warning: Already linked: <Cellar Path>
To relink:
  brew unlink <formula> && brew link <formula>
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执行

brew unlink php@7.3
brew link --overwrite --force php@7.3
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重启服务

apache brew services restart httpd
nginx brew services restart nginx
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安装结果

To enable PHP in Apache add the following to httpd.conf and restart Apache:
    LoadModule php7_module /usr/local/opt/php@7.0/lib/httpd/modules/libphp7.so
    <FilesMatch .php$>
        SetHandler application/x-httpd-php
    </FilesMatch>
Finally, check DirectoryIndex includes index.php
    DirectoryIndex index.php index.html
The php.ini and php-fpm.ini file can be found in:
    /usr/local/etc/php/7.0/
php@7.0 is keg-only, which means it was not symlinked into /usr/local,
because this is an alternate version of another formula.
If you need to have php@7.0 first in your PATH run:
  echo 'export PATH="/usr/local/opt/php@7.0/bin:$PATH"' >> ~/.zshrc
  echo 'export PATH="/usr/local/opt/php@7.0/sbin:$PATH"' >> ~/.zshrc
For compilers to find php@7.0 you may need to set:
  export LDFLAGS="-L/usr/local/opt/php@7.0/lib"
  export CPPFLAGS="-I/usr/local/opt/php@7.0/include"
To have launchd start shivammathur/php/php@7.0 now and restart at login:
  brew services start shivammathur/php/php@7.0
Or, if you don't want/need a background service you can just run:
  php-fpm
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欢迎讨论！

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