Linux系统下如何为Nginx安装多版本PHP

#user nobody;
worker_processes 4;
 
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
 
#pid    logs/nginx.pid;
 
 
events {
  worker_connections 1024;
}
 
 
http {
  include    mime.types;
  default_type application/octet-stream;
 
  #log_format main '$remote_addr - $remote_user [$time_local] "$request" '
  #         '$status $body_bytes_sent "$http_referer" '
  #         '"$http_user_agent" "$http_x_forwarded_for"';
 
  #access_log logs/access.log main;
 
  sendfile    on;
  #tcp_nopush   on;
 
  #keepalive_timeout 0;
  keepalive_timeout 65;
 
  #gzip on;
 
  server {
    listen    80;
    server_name localhost;
 
    #charset koi8-r;
 
    #access_log logs/host.access.log main;
 
    location / {
      #root  html;
			root /usr/www;
      index index.html index.htm;
    }
 
    #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  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$ {
    #  root      html;
    #  fastcgi_pass  127.0.0.1:9000;
    #  fastcgi_index index.php;
    #  fastcgi_param script_filename /scripts$fastcgi_script_name;
    #  include    fastcgi_params;
    #}
 
		location ~ \.php$ {
		root html;
		fastcgi_pass 127.0.0.1:9000;
		fastcgi_index index.php;
		include fastcgi_params;
		fastcgi_param script_filename /usr/www$fastcgi_script_name;
		}
 
    # deny access to .htaccess files, if apache's document root
    # concurs with nginx's one
    #
    #location ~ /\.ht {
    #  deny all;
    #}
  }
	
	server {
    listen    8054;
    server_name localhost;
 
    location / {
      #root  html;
			root /usr/www5.4.44;
      index index.html index.htm;
    }
 
    error_page  500 502 503 504 /50x.html;
    location = /50x.html {
      root  html;
    }
 
		location ~ \.php$ {
		root html;
		fastcgi_pass 127.0.0.1:9001;
		fastcgi_index index.php;
		include fastcgi_params;
		fastcgi_param script_filename /usr/www5.4.44$fastcgi_script_name;
		}
 
  }
 
 
	
  # another virtual host using mix of ip-, name-, and port-based configuration
  #
  #server {
  #  listen    8000;
  #  listen    somename:8080;
  #  server_name somename alias another.alias;
 
  #  location / {
  #    root  html;
  #    index index.html index.htm;
  #  }
  #}
 
 
  # https server
  #
  #server {
  #  listen    443 ssl;
  #  server_name localhost;
 
  #  ssl_certificate   cert.pem;
  #  ssl_certificate_key cert.key;
 
  #  ssl_session_cache  shared:ssl:1m;
  #  ssl_session_timeout 5m;
 
  #  ssl_ciphers high:!anull:!md5;
  #  ssl_prefer_server_ciphers on;
 
  #  location / {
  #    root  html;
  #    index index.html index.htm;
  #  }
  #}
 
}