超全局变量

$_SERVERS

{
    USER: "www",
    HOME: "/home/www",
    HTTP_COOKIE: "pgv_pvi=5483747328; _ga=GA1.2.509928428.1571634448; PHPSESSID=2rid08a3rdcmb14iu8ljt86er6; adminer_version=0",
    HTTP_ACCEPT_LANGUAGE: "zh-CN,zh;q=0.9,en;q=0.8",
    HTTP_ACCEPT_ENCODING: "gzip, deflate",
    HTTP_ACCEPT: "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3",
    HTTP_DNT: "1",
    HTTP_USER_AGENT: "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36",
    HTTP_UPGRADE_INSECURE_REQUESTS: "1",
    HTTP_CACHE_CONTROL: "max-age=0",
    HTTP_CONNECTION: "keep-alive",
    HTTP_HOST: "web.edk24.com",
    PATH_INFO: "/index/index/d",
    REDIRECT_STATUS: "200",
    SERVER_NAME: "web.edk24.com",
    SERVER_PORT: "80",
    SERVER_ADDR: "172.16.135.127",
    REMOTE_PORT: "40168",
    REMOTE_ADDR: "220.172.48.27",
    SERVER_SOFTWARE: "nginx/1.15.10",
    GATEWAY_INTERFACE: "CGI/1.1",
    REQUEST_SCHEME: "http",
    SERVER_PROTOCOL: "HTTP/1.1",
    DOCUMENT_ROOT: "/www/wwwroot/web.edk24.com/public",
    DOCUMENT_URI: "/index.php",
    REQUEST_URI: "/index/index/d",
    SCRIPT_NAME: "/index.php",
    CONTENT_LENGTH: "",
    CONTENT_TYPE: "",
    REQUEST_METHOD: "GET",
    QUERY_STRING: "s=/index/index/d",
    SCRIPT_FILENAME: "/www/wwwroot/web.edk24.com/public/index.php",
    FCGI_ROLE: "RESPONDER",
    PHP_SELF: "/index.php",
    REQUEST_TIME_FLOAT: 1573802179.600909,
    REQUEST_TIME: 1573802179
}