Nginx configuration for CodeIgniter

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Nginx server configuration for CodeIgniter

Nginx server configuration for CodeIgniter

My Environment

  • System: CentOS 7
  • Web Server: Nginx v1.17.2
  • Application Server: php-fpm (based on PHP 7.2)
  • Web Framework: CodeIgniter v3.1.10

Deploy CodeIgniter project

First, Goto Official website and download CodeIgniter.

Then, create a folder named ci in the root directory of the nginx server and extract the CodeIgniter framework code into this directory. As follow:

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[root@xyz html]# pwd
/usr/share/nginx/html
[root@xyz html]# tree -L 1 ci
ci
├── application
├── composer.json
├── contributing.md
├── index.php
├── license.txt
├── readme.rst
├── system
└── user_guide

3 directories, 5 files
[root@xyz html]#

The path /usr/share/nginx/html is the default static files path of nginx in my machine. You can use any other path actually. Just for simple, my goal to test the nginx server configuration.

Edit Nginx server configuration

Edit nginx default configuration file named default.conf, which is in /etc/nginx/conf.d.

I highly recommend you back up before changing the server configuration.

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server {
    listen       80;
    server_name  localhost;

    root   /usr/share/nginx/html;
    index  index.html index.htm;

    #access_log  /var/log/nginx/host.access.log  main;

    location / {
        try_files $uri $uri/ =404;
    }

    location /ci {
        try_files $uri $uri/ /ci/index.php?/$request_uri;
    }

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
    #
    #location ~ \.php$ {
    #    proxy_pass   http://127.0.0.1;
    #}

    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    #
    location ~ \.php$ {
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }

    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    #
    location ~ /\.ht {
        deny  all;
    }
}

Test

My codeigniter folder is ci which is located in /usr/share/nginx/html/ci.

  • default controller

    http://yourdomain/ci/index.php/

    http://yourdomain/ci/index.php/welcome

    The effect of these two urls is the same. They all execute the index function of Welcome controller in Welcome.php file.

  • custom controller

    Create a file named Test.php in application/controllers directory and edit it as follow:

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    <?php
    class Test extends CI_Controller {

        public function index() {
            echo "Test Controller index!";
        }

        public function hello() {
            echo "Hello CodeIgniter!";
        }
    }

    Restart service and test:

    http://yourdomain/ci/index.php/Test/

    http://yourdomain/ci/index.php/Test/hello

    All these work well.

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