NGINX, Symfony 2 with SimpleSamlPhp as Alias

vhost.conf

server {

  server_name default;

  root        /var/www/symfony/web;

  client_max_body_size 100M;
  fastcgi_read_timeout 1800;

    location / {
        try_files $uri @rewriteapp;
    }

    location ^~ /simplesaml {

        alias /var/www/simplesamlphp/www;

        index index.php;

        location ~ ^(?<prefix>/simplesaml)(?<phpfile>.+?\.php)(?<pathinfo>/.*)?$ {
            include fastcgi_params;
            fastcgi_pass unix:/var/run/php5-fpm.sock;
            fastcgi_param SCRIPT_FILENAME $document_root$phpfile;
            fastcgi_param PATH_INFO $pathinfo if_not_empty;
        }

    }

    location @rewriteapp {
        rewrite ^(.*)$ /app_dev.php$1 last;
    }

    location ~ ^/(app|app_dev|config)\.php(/|$) {
        fastcgi_pass  unix:/var/run/php5-fpm.sock;
        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param HTTPS off;
    }

}

put your symfony code in: /var/www/symfony/
put simplesamlphp in: /var/www/simplesamlphp/

thank you it saves me my day