升级到Debian 11后，HTTP ERROR 500

[SekiBetu]

• OS: Debian 11
• PHP version: 8.0.9
• Browser: Chrome

Expected behavior

应该能正常显示php页面

Actual behavior

[error] 503#503: *1 FastCGI sent in stderr: "PHP message: PHP Fatal error:  Uncaught Error: Call to undefined function InnStudio\Prober\Components\Utils\mb_substr_count() in /usr/share/nginx/html/prober.php:29
Stack trace:
#0 /usr/share/nginx/html/prober.php(29): InnStudio\Prober\Components\Utils\UtilsCpu::getModel()
#1 /usr/share/nginx/html/prober.php(29): InnStudio\Prober\Components\ServerInfo\Conf->conf()
#2 /usr/share/nginx/html/prober.php(2): InnStudio\Prober\Components\Events\EventsApi::emit()
#3 /usr/share/nginx/html/prober.php(2): InnStudio\Prober\Components\Bootstrap\Render->__construct()
#4 /usr/share/nginx/html/prober.php(29): InnStudio\Prober\Components\Bootstrap\Bootstrap->__construct()
#5 {main}
  thrown in /usr/share/nginx/html/prober.php on line 29" while reading response header from upstream, client: 127.0.0.1, server: 手动打码, request: "GET /prober.php HTTP/2.0", upstream: "fastcgi://unix:/var/run/php/php8.0-fpm.sock:", host: "手动打码"
2021/08/16 02:17:14 [error] 503#503: *1 FastCGI sent in stderr: "PHP message: PHP Fatal error:  Uncaught Error: Call to undefined function InnStudio\Prober\Components\Utils\mb_substr_count() in /usr/share/nginx/html/prober.php:29
Stack trace:
#0 /usr/share/nginx/html/prober.php(29): InnStudio\Prober\Components\Utils\UtilsCpu::getModel()
#1 /usr/share/nginx/html/prober.php(29): InnStudio\Prober\Components\ServerInfo\Conf->conf()
#2 /usr/share/nginx/html/prober.php(2): InnStudio\Prober\Components\Events\EventsApi::emit()
#3 /usr/share/nginx/html/prober.php(2): InnStudio\Prober\Components\Bootstrap\Render->__construct()
#4 /usr/share/nginx/html/prober.php(29): InnStudio\Prober\Components\Bootstrap\Bootstrap->__construct()
#5 {main}
  thrown in /usr/share/nginx/html/prober.php on line 29" while reading response header from upstream, client: 127.0.0.1, server: 手动打码, request: "GET /prober.php HTTP/2.0", upstream: "fastcgi://unix:/var/run/php/php8.0-fpm.sock:", host: "手动打码"

Nginx的配置：

server {
        listen 80;
        listen [::]:80;
        server_name 手动打码;
        # shellcheck disable=SC2154
        return 301 https://手动打码;
}
server {
                listen 127.0.0.1:31300;
                server_name _;
                return 403;
}
server {
        listen 127.0.0.1:31300;
        listen 127.0.0.1:31302 http2;
        server_name 手动打码;
        root /usr/share/nginx/html;
        location /s/ {
                add_header Content-Type text/plain;
                alias /etc/手动打码/subscribe/;
        }
        location / {
                add_header Strict-Transport-Security "max-age=15552000; preload" always;
        }
        location ~ \.php$ {
                fastcgi_pass unix:/var/run/php/php8.0-fpm.sock;
                fastcgi_index prober.php;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                include fastcgi_params;
        }
}

[SekiBetu]

没事了，发现是 Debian11 升级完居然把 php-mbstring 这个包给 autoremove 了

[kmvan]

感谢反馈，这个确实是一个潜在的问题。本应考虑到没有mb系列函数的情况，但用了新的cs fixer，自动把没有mb的转换为mb的，所以导致这个情况发生。下个版本8.3修复了