php

Nginx支持PHP的CI框架

1.找到CI库的配置文件修改

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$config['base_url']     = 'http://test.example.com';
$config['uri_protocol'] = 'PATH_INFO';

2.找到NGINX配置.在SERVER段中添加如下代码段

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location /index.php{
      fastcgi_pass  unix:/tmp/php-cgi.sock;
      fastcgi_param SCRIPT_FILENAME /home/wwwroot/index.php;
      fastcgi_param PATH_INFO $fastcgi_path_info;
      fastcgi_split_path_info ^(.+\.php)(.*)$;
      fastcgi_param PATH_TRANSLATED $document_root$fastcgi_path_info;
      include fcgi.conf;
}

3.如果要做跳转的话，(比如：http://test.example.com/index.php/test 跳转http://test.example.com/test )可以server段中添加如下配置

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location /{
      if (-f $request_filename) {
          expires max;
          break;
      }
      if (!-e $request_filename) {
          rewrite ^/(.*)$ /index.php/$1 last;
      }
}

前一段时间为了 PATH_INFO 问题搞得郁闷，来回忆下原来的配置（以CodeIgniter框架的配置为例）：

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server {
	listen       80;
	server_name  test.local;

	location / {
		root   /www/test;
		index  index.html index.htm index.php;
		rewrite ^/$ /index.php last;
		rewrite ^/(?!index\.php|robots\.txt|images|js|styles)(.*)$ /index.php/$1 last;
	}

	location ~ \.php($|/) {
		root	   /www/test;

		set $script     $uri;
		set $path_info  "";

		if ($uri ~ "^(.+?\.php)(/.*)$") {
		    set $script     $1;
		    set $path_info  $2;
		}

		fastcgi_index	index.php;
		fastcgi_param   SCRIPT_FILENAME $document_root$fastcgi_script_name;
		fastcgi_param   PATH_INFO       $path_info;
		fastcgi_pass    unix:/tmp/php-fpm.sock;
		include	fastcgi_params;
    	}
}

虽然可以实现 PATH_INFO 了，但是还是有缺陷，URL 中的中文不会被 urldecode。

好在，0.7.31 版本以上的 Nginx 新增了fastcgi_split_path_info 这个指令，现在配置起来清晰多了：

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server {
	listen       80;
	server_name  test.local;

	location / {
		root   /www/test;
		index  index.html index.htm index.php;
		rewrite ^/$ /index.php last;
		rewrite ^/(?!index\.php|robots\.txt|images|js|styles)(.*)$ /index.php/$1 last;
	}

	location ~ ^(.+\.php)(.*)$ {
		root	   /www/test;

		fastcgi_index	index.php;
		fastcgi_split_path_info ^(.+\.php)(.*)$;
		fastcgi_param	SCRIPT_FILENAME	$document_root$fastcgi_script_name;
		fastcgi_param	PATH_INFO		$fastcgi_path_info;
		fastcgi_param	PATH_TRANSLATED	$document_root$fastcgi_path_info;
		fastcgi_pass    unix:/tmp/php-fpm.sock;
		include	fastcgi_params;
    }
}

指令的具体帮助请参考官方WIKI：

http://wiki.nginx.org/NginxHttpFcgiModule#fastcgi_split_path_info

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