How to Install ThinkPHP5.1 in LEMP?

OS : Ubuntu Server 16.04.5 LTS
MySQL : How to Install MySQL 8 and phpMyAdmin via Docker?
ThinkPHP: It's a China made PHP framework.

Install php nginx

$ sudo apt install php7.0 php7.0-mysql nginx

Error 1

Call to undefined function Think\imagecreate()

Solution 1

$ sudo apt install php7.0-gd

Error 2

call not undefined function Think\simplexml_load_string() 

Solution 2

$ sudo apt install php7.0-xml

Error 3

Call to undefined function mb_strimwidth()

Solution 3

$ sudo apt install php7.0-mbstring

Modified nginx configuration

$ vim /etc/nginx/sites-available/default

-- index index.html index.htm index.nginx-debian.html;
++ index index.html index.htm index.php;

location / {
        # First attempt to serve request as file, then
        # as directory, then fall back to displaying a 404.
++      if (!-e $request_filename) {
++              rewrite ^(.*)$ /index.php?s=/$1 last;
++              break;
++      }

        try_files $uri $uri/ =404;
}

-- # fastcgi_pass unix:/run/php/php7.0-fpm.sock;
++ fastcgi_pass unix:/run/php/php7.0-fpm.sock;

-- # location ~ /\.ht {
-- #         deny all;
-- # }
++ location ~ /\.ht {
++        deny all;
++ }

Restart Nginx & php7.0-fpm

$ sudo systemctl restart nginx
$ sudo systemctl restart php7.0-fpm

Put php file in /var/www/html/

$ vim /var/www/html/index.php

index.php

<?php phpinfo(); ?>

Git clone ThinkPHP5.1 files in /var/www/html/

$ cd /var/www/html/
$ git clone https://github.com/top-think/think tp5
$ cd /var/www/html/tp5
$ git clone https://github.com/top-think/framework thinkphp
$ git checkout 5.1

https://www.kancloud.cn/manual/thinkphp5_1/353948
https://websiteforstudents.com/install-nginx-mariadb-and-php-7-1-lemp-with-ubuntu-16-04-lts-server/
https://gist.github.com/GhazanfarMir/03bd1f1f770a3834d47274586d46ea62