原环境：
- Flarum
0.1.0-beta.15 - PHP
7.4.15
升级到：
- Flarum
0.1.0-beta.16 - PHP
8.0.3
Flarum终于推出了第一个rc版本，但是这个版本并不完美，例如无法中文输入（Markdown插件问题），插件fof/upload不适配（附件上传，很重要），还有很多插件未适配
计划观望一个月左右或者等待Flarum 1.0正式版发布
更新1：fof/upload已适配beta16，但依然有待观望
更新2：第二次试图更新
首先看看哪些插件有问题：
[root@RainYun-121013 forum.monika.love]# composer why-not flarum/core v0.1.0-beta.16
clarkwinkelmann/flarum-ext-author-change 0.2.2 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
clarkwinkelmann/flarum-ext-manual-discussion-slug 0.2.0 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
clarkwinkelmann/flarum-ext-scratchpad 1.3.0 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
clarkwinkelmann/flarum-ext-who-read 1.2.2 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
ffans/clipboardjs v0.1.0-beta.15.2 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
ffans/lang-simplified-chinese v0.1.0-beta.15.2 requires flarum/core (>=0.1.0-beta.14 <0.1.0-beta.16)
fof/best-answer 0.3.2 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
fof/html-errors 0.5.0 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
fof/impersonate 0.7.0 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
fof/linguist 0.5.0 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
fof/moderator-notes 0.4.0 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
fof/sitemap 0.6.0 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
fof/terms 0.6.1 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
fof/upload 0.11.3 requires flarum/core (>=0.1.0-beta.14 <0.1.0-beta.16)
itnt/flarum-uitab 0.3.0 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
jordanjay29/flarum-ext-summaries 0.3.2 requires flarum/core (>=0.1.0-beta.14 <0.1.0-beta.16)
maicol07/flarum-ext-sso 1.8 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
sycho/flarum-action-log v0.1.3 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
sycho/flarum-advanced-extension-categories v0.1.0 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
tedem/flarum-ext-scroll-progress v0.1.0 requires flarum/core (>=0.1.0-beta.15 <0.1.0-beta.16)
flarum/core v0.1.0-beta.16 requires dflydev/fig-cookies (^3.0.0)
flarum/flarum - does not require dflydev/fig-cookies (but v2.0.3 is installed)
flarum/core v0.1.0-beta.16 requires franzl/whoops-middleware (^2.0.0)
flarum/flarum - does not require franzl/whoops-middleware (but 0.4.1 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/bus (^8.0)
flarum/flarum - does not require illuminate/bus (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/cache (^8.0)
flarum/flarum - does not require illuminate/cache (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/config (^8.0)
flarum/flarum - does not require illuminate/config (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/container (^8.0)
flarum/flarum - does not require illuminate/container (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/contracts (^8.0)
flarum/flarum - does not require illuminate/contracts (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/database (^8.0)
flarum/flarum - does not require illuminate/database (but v6.20.16 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/events (^8.0)
flarum/flarum - does not require illuminate/events (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/filesystem (^8.0)
flarum/flarum - does not require illuminate/filesystem (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/hashing (^8.0)
flarum/flarum - does not require illuminate/hashing (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/mail (^8.0)
flarum/flarum - does not require illuminate/mail (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/queue (^8.0)
flarum/flarum - does not require illuminate/queue (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/session (^8.0)
flarum/flarum - does not require illuminate/session (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/support (^8.0)
flarum/flarum - does not require illuminate/support (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/validation (^8.0)
flarum/flarum - does not require illuminate/validation (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires illuminate/view (^8.0)
flarum/flarum - does not require illuminate/view (but v6.20.8 is installed)
flarum/core v0.1.0-beta.16 requires laminas/laminas-diactoros (^2.4.1)
flarum/flarum - does not require laminas/laminas-diactoros (but 1.8.7p2 is installed)
flarum/core v0.1.0-beta.16 requires middlewares/base-path (^2.0.1)
flarum/flarum - does not require middlewares/base-path (but v1.1.0 is installed)
flarum/core v0.1.0-beta.16 requires middlewares/base-path-router (^2.0.1)
flarum/flarum - does not require middlewares/base-path-router (but v0.2.1 is installed)
flarum/core v0.1.0-beta.16 requires middlewares/request-handler (^2.0.1)
flarum/flarum - does not require middlewares/request-handler (but v1.4.0 is installed)
flarum/core v0.1.0-beta.16 requires symfony/config (^5.2.2)
flarum/flarum - does not require symfony/config (but v4.4.18 is installed)
flarum/core v0.1.0-beta.16 requires symfony/console (^5.2.2)
flarum/flarum - does not require symfony/console (but v4.4.18 is installed)
flarum/core v0.1.0-beta.16 requires symfony/event-dispatcher (^5.2.2)
flarum/flarum - does not require symfony/event-dispatcher (but v4.4.18 is installed)
flarum/core v0.1.0-beta.16 requires symfony/translation (^5.1.5)
flarum/flarum - does not require symfony/translation (but v4.4.18 is installed)
flarum/core v0.1.0-beta.16 requires symfony/yaml (^5.2.2)
flarum/flarum - does not require symfony/yaml (but v4.4.18 is installed) 我们先卸载掉那些不兼容的扩展
composer remove clarkwinkelmann/flarum-ext-author-change
composer remove clarkwinkelmann/flarum-ext-manual-discussion-slug
composer remove clarkwinkelmann/flarum-ext-scratchpad
composer remove clarkwinkelmann/flarum-ext-who-read
composer remove ffans/clipboardjs
composer remove ffans/lang-simplified-chinese
composer remove fof/best-answer
composer remove fof/html-errors
composer remove fof/impersonate
composer remove fof/linguist
composer remove fof/moderator-notes
composer remove fof/sitemap
composer remove fof/terms
composer remove fof/upload
composer remove itnt/flarum-uitab
composer remove jordanjay29/flarum-ext-summaries
composer remove maicol07/flarum-ext-sso
composer remove sycho/flarum-action-log
composer remove sycho/flarum-advanced-extension-categories
composer remove tedem/flarum-ext-scroll-progress先备份网站
升级
composer update --prefer-dist --no-plugins --no-dev -a --with-all-dependencies
php flarum migrate
php flarum cache:clear
原来是那两个插件删库跑路了
淦，卸掉fof/pages试试
好耶！！
wc
草
终于
升级到php8
fileinfo扩展
升级基本完成，等待后续优化
