Array
(
    [SUDO_GID] => 0
    [MAIL] => /var/mail/www-data
    [USER] => www-data
    [HOME] => /var/www
    [SUDO_UID] => 0
    [LOGNAME] => www-data
    [TERM] => xterm-256color
    [USERNAME] => www-data
    [PATH] => /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
    [SUDO_COMMAND] => /usr/bin/php-fastcgi
    [SHELL] => /bin/sh
    [SUDO_USER] => root
    [PWD] => /root
    [PHP_FCGI_CHILDREN] => 6
    [HTTP_IF_MODIFIED_SINCE] => Fri, 21 Jul 2017 02:25:39 GMT
    [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    [HTTP_USER_AGENT] => CCBot/2.0 (http://commoncrawl.org/faq/)
    [HTTP_ACCEPT_ENCODING] => x-gzip, gzip, deflate
    [HTTP_HOST] => stat.aqicn.org
    [REDIRECT_STATUS] => 200
    [SERVER_NAME] => *.aqicn.org
    [SERVER_PORT] => 80
    [SERVER_ADDR] => 10.1.0.56
    [REMOTE_PORT] => 48640
    [REMOTE_ADDR] => 54.162.64.108
    [SERVER_SOFTWARE] => nginx/1.9.4
    [GATEWAY_INTERFACE] => CGI/1.1
    [REQUEST_SCHEME] => http
    [SERVER_PROTOCOL] => HTTP/1.0
    [DOCUMENT_ROOT] => /usr/share/nginx/tiles/
    [DOCUMENT_URI] => /index.php
    [REQUEST_URI] => /
    [SCRIPT_NAME] => /index.php
    [CONTENT_LENGTH] => 
    [CONTENT_TYPE] => 
    [REQUEST_METHOD] => GET
    [QUERY_STRING] => 
    [SCRIPT_FILENAME] => /usr/share/nginx/tiles//index.php
    [FCGI_ROLE] => RESPONDER
    [PHP_SELF] => /index.php
    [REQUEST_TIME_FLOAT] => 1503454324.3862
    [REQUEST_TIME] => 1503454324
)