PHP超级全局变量数组详解

这些主机头信息，在RewriteRule规则时非常有用

1，如果请求http://www.anxuexi.com/test.php?a=1&b=1&sdfsd234234234，则$_GET变量如下

Array
(
    [a] => 1
    [b] => 1
    [sdfsd234234234] => 
)

最常用的$_SERVER变量如下：

Array
(
    [HOSTNAME] => AY120722104353f9d8080
    [PATH] => /usr/local/bin:/usr/bin:/bin
    [TMP] => /tmp
    [TMPDIR] => /tmp
    [TEMP] => /tmp
    [OSTYPE] => 
    [MACHTYPE] => 
    [MALLOC_CHECK_] => 2
    [USER] => www
    [HOME] => /home/www
    [FCGI_ROLE] => RESPONDER
    [GATEWAY_INTERFACE] => CGI/1.1
    [SERVER_SOFTWARE] => nginx/1.0.15
    [QUERY_STRING] => a=1&b=1&sdfsd234234234//提交的参数字符串
    [REQUEST_METHOD] => GET
    [CONTENT_TYPE] => 
    [CONTENT_LENGTH] => 
    [SCRIPT_FILENAME] => /home/wwwroot/test.php
    [SCRIPT_NAME] => /test.php
    [REQUEST_URI] => /test.php?a=1&b=1&sdfsd234234234//主机头后面的内容
    [DOCUMENT_URI] => /test.php
    [DOCUMENT_ROOT] => /home/wwwroot
    [SERVER_PROTOCOL] => HTTP/1.1
    [REMOTE_ADDR] => 180.168.17.106//客户端ip地址
    [REMOTE_PORT] => 3545
    [SERVER_ADDR] => 42.121.19.159//服务器端ip地址
    [SERVER_PORT] => 80
    [SERVER_NAME] => www.anxuexi.com
    [REDIRECT_STATUS] => 200
    [HTTP_HOST] => www.anxuexi.com//主机头信息
    [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0//浏览器信息
    [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    [HTTP_ACCEPT_LANGUAGE] => zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3
    [HTTP_ACCEPT_ENCODING] => gzip, deflate
    [HTTP_COOKIE] => Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c=1362639551,1363058333,1363168336,1363316834; pgv_pvi=1909240832//cookie信息
    [HTTP_CONNECTION] => keep-alive
    [HTTP_CACHE_CONTROL] => max-age=0
    [PHP_SELF] => /test.php
    [REQUEST_TIME] => 1364452925
    [argv] => Array
        (
            [0] => a=1&b=1&sdfsd234234234
        )

    [argc] => 1
)

 

2，$_COOKIE变量如下

Array
(
    [Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c] => 1362639551,1363058333,1363168336,1363316834
    [pgv_pvi] => 1909240832
)

 3，$_REQUEST变量如下

Array
(
    [a] => 1
    [b] => 1
    [sdfsd234234234] => 
    [Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c] => 1362639551,1363058333,1363168336,1363316834
    [pgv_pvi] => 1909240832
)

 4，$_ENV变量如下

Array
(
    [HOSTNAME] => AY120722104353f9d8080
    [PATH] => /usr/local/bin:/usr/bin:/bin
    [TMP] => /tmp
    [TMPDIR] => /tmp
    [TEMP] => /tmp
    [OSTYPE] => 
    [MACHTYPE] => 
    [MALLOC_CHECK_] => 2
    [USER] => www
    [HOME] => /home/www
    [FCGI_ROLE] => RESPONDER
    [GATEWAY_INTERFACE] => CGI/1.1
    [SERVER_SOFTWARE] => nginx/1.0.15
    [QUERY_STRING] => a=1&b=1&sdfsd234234234
    [REQUEST_METHOD] => GET
    [CONTENT_TYPE] => 
    [CONTENT_LENGTH] => 
    [SCRIPT_FILENAME] => /home/wwwroot/test.php
    [SCRIPT_NAME] => /test.php
    [REQUEST_URI] => /test.php?a=1&b=1&sdfsd234234234
    [DOCUMENT_URI] => /test.php
    [DOCUMENT_ROOT] => /home/wwwroot
    [SERVER_PROTOCOL] => HTTP/1.1
    [REMOTE_ADDR] => 180.168.17.106
    [REMOTE_PORT] => 3483
    [SERVER_ADDR] => 42.121.19.159
    [SERVER_PORT] => 80
    [SERVER_NAME] => www.anxuexi.com
    [REDIRECT_STATUS] => 200
    [HTTP_HOST] => www.anxuexi.com
    [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0
    [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    [HTTP_ACCEPT_LANGUAGE] => zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3
    [HTTP_ACCEPT_ENCODING] => gzip, deflate
    [HTTP_COOKIE] => Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c=1362639551,1363058333,1363168336,1363316834; pgv_pvi=1909240832
    [HTTP_CONNECTION] => keep-alive
    [HTTP_CACHE_CONTROL] => max-age=0
)

 5，$GLOBALS变量如下

Array
(
    [GLOBALS] => Array
 *RECURSION*
    [_ENV] => Array
        (
            [HOSTNAME] => AY120722104353f9d8080
            [PATH] => /usr/local/bin:/usr/bin:/bin
            [TMP] => /tmp
            [TMPDIR] => /tmp
            [TEMP] => /tmp
            [OSTYPE] => 
            [MACHTYPE] => 
            [MALLOC_CHECK_] => 2
            [USER] => www
            [HOME] => /home/www
            [FCGI_ROLE] => RESPONDER
            [GATEWAY_INTERFACE] => CGI/1.1
            [SERVER_SOFTWARE] => nginx/1.0.15
            [QUERY_STRING] => a=1&b=1&sdfsd234234234
            [REQUEST_METHOD] => GET
            [CONTENT_TYPE] => 
            [CONTENT_LENGTH] => 
            [SCRIPT_FILENAME] => /home/wwwroot/test.php
            [SCRIPT_NAME] => /test.php
            [REQUEST_URI] => /test.php?a=1&b=1&sdfsd234234234
            [DOCUMENT_URI] => /test.php
            [DOCUMENT_ROOT] => /home/wwwroot
            [SERVER_PROTOCOL] => HTTP/1.1
            [REMOTE_ADDR] => 180.168.17.106
            [REMOTE_PORT] => 3483
            [SERVER_ADDR] => 42.121.19.159
            [SERVER_PORT] => 80
            [SERVER_NAME] => www.anxuexi.com
            [REDIRECT_STATUS] => 200
            [HTTP_HOST] => www.anxuexi.com
            [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0
            [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
            [HTTP_ACCEPT_LANGUAGE] => zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3
            [HTTP_ACCEPT_ENCODING] => gzip, deflate
            [HTTP_COOKIE] => Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c=1362639551,1363058333,1363168336,1363316834; pgv_pvi=1909240832
            [HTTP_CONNECTION] => keep-alive
            [HTTP_CACHE_CONTROL] => max-age=0
        )

    [HTTP_ENV_VARS] => Array
        (
            [HOSTNAME] => AY120722104353f9d8080
            [PATH] => /usr/local/bin:/usr/bin:/bin
            [TMP] => /tmp
            [TMPDIR] => /tmp
            [TEMP] => /tmp
            [OSTYPE] => 
            [MACHTYPE] => 
            [MALLOC_CHECK_] => 2
            [USER] => www
            [HOME] => /home/www
            [FCGI_ROLE] => RESPONDER
            [GATEWAY_INTERFACE] => CGI/1.1
            [SERVER_SOFTWARE] => nginx/1.0.15
            [QUERY_STRING] => a=1&b=1&sdfsd234234234
            [REQUEST_METHOD] => GET
            [CONTENT_TYPE] => 
            [CONTENT_LENGTH] => 
            [SCRIPT_FILENAME] => /home/wwwroot/test.php
            [SCRIPT_NAME] => /test.php
            [REQUEST_URI] => /test.php?a=1&b=1&sdfsd234234234
            [DOCUMENT_URI] => /test.php
            [DOCUMENT_ROOT] => /home/wwwroot
            [SERVER_PROTOCOL] => HTTP/1.1
            [REMOTE_ADDR] => 180.168.17.106
            [REMOTE_PORT] => 3483
            [SERVER_ADDR] => 42.121.19.159
            [SERVER_PORT] => 80
            [SERVER_NAME] => www.anxuexi.com
            [REDIRECT_STATUS] => 200
            [HTTP_HOST] => www.anxuexi.com
            [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0
            [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
            [HTTP_ACCEPT_LANGUAGE] => zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3
            [HTTP_ACCEPT_ENCODING] => gzip, deflate
            [HTTP_COOKIE] => Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c=1362639551,1363058333,1363168336,1363316834; pgv_pvi=1909240832
            [HTTP_CONNECTION] => keep-alive
            [HTTP_CACHE_CONTROL] => max-age=0
        )

    [_POST] => Array
        (
        )

    [HTTP_POST_VARS] => Array
        (
        )

    [_GET] => Array
        (
            [a] => 1
            [b] => 1
            [sdfsd234234234] => 
        )

    [HTTP_GET_VARS] => Array
        (
            [a] => 1
            [b] => 1
            [sdfsd234234234] => 
        )

    [_COOKIE] => Array
        (
            [Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c] => 1362639551,1363058333,1363168336,1363316834
            [pgv_pvi] => 1909240832
        )

    [HTTP_COOKIE_VARS] => Array
        (
            [Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c] => 1362639551,1363058333,1363168336,1363316834
            [pgv_pvi] => 1909240832
        )

    [_SERVER] => Array
        (
            [HOSTNAME] => AY120722104353f9d8080
            [PATH] => /usr/local/bin:/usr/bin:/bin
            [TMP] => /tmp
            [TMPDIR] => /tmp
            [TEMP] => /tmp
            [OSTYPE] => 
            [MACHTYPE] => 
            [MALLOC_CHECK_] => 2
            [USER] => www
            [HOME] => /home/www
            [FCGI_ROLE] => RESPONDER
            [GATEWAY_INTERFACE] => CGI/1.1
            [SERVER_SOFTWARE] => nginx/1.0.15
            [QUERY_STRING] => a=1&b=1&sdfsd234234234
            [REQUEST_METHOD] => GET
            [CONTENT_TYPE] => 
            [CONTENT_LENGTH] => 
            [SCRIPT_FILENAME] => /home/wwwroot/test.php
            [SCRIPT_NAME] => /test.php
            [REQUEST_URI] => /test.php?a=1&b=1&sdfsd234234234
            [DOCUMENT_URI] => /test.php
            [DOCUMENT_ROOT] => /home/wwwroot
            [SERVER_PROTOCOL] => HTTP/1.1
            [REMOTE_ADDR] => 180.168.17.106
            [REMOTE_PORT] => 3483
            [SERVER_ADDR] => 42.121.19.159
            [SERVER_PORT] => 80
            [SERVER_NAME] => www.anxuexi.com
            [REDIRECT_STATUS] => 200
            [HTTP_HOST] => www.anxuexi.com
            [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0
            [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
            [HTTP_ACCEPT_LANGUAGE] => zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3
            [HTTP_ACCEPT_ENCODING] => gzip, deflate
            [HTTP_COOKIE] => Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c=1362639551,1363058333,1363168336,1363316834; pgv_pvi=1909240832
            [HTTP_CONNECTION] => keep-alive
            [HTTP_CACHE_CONTROL] => max-age=0
            [PHP_SELF] => /test.php
            [REQUEST_TIME] => 1364452262
            [argv] => Array
                (
                    [0] => a=1&b=1&sdfsd234234234
                )

            [argc] => 1
        )

    [HTTP_SERVER_VARS] => Array
        (
            [HOSTNAME] => AY120722104353f9d8080
            [PATH] => /usr/local/bin:/usr/bin:/bin
            [TMP] => /tmp
            [TMPDIR] => /tmp
            [TEMP] => /tmp
            [OSTYPE] => 
            [MACHTYPE] => 
            [MALLOC_CHECK_] => 2
            [USER] => www
            [HOME] => /home/www
            [FCGI_ROLE] => RESPONDER
            [GATEWAY_INTERFACE] => CGI/1.1
            [SERVER_SOFTWARE] => nginx/1.0.15
            [QUERY_STRING] => a=1&b=1&sdfsd234234234
            [REQUEST_METHOD] => GET
            [CONTENT_TYPE] => 
            [CONTENT_LENGTH] => 
            [SCRIPT_FILENAME] => /home/wwwroot/test.php
            [SCRIPT_NAME] => /test.php
            [REQUEST_URI] => /test.php?a=1&b=1&sdfsd234234234
            [DOCUMENT_URI] => /test.php
            [DOCUMENT_ROOT] => /home/wwwroot
            [SERVER_PROTOCOL] => HTTP/1.1
            [REMOTE_ADDR] => 180.168.17.106
            [REMOTE_PORT] => 3483
            [SERVER_ADDR] => 42.121.19.159
            [SERVER_PORT] => 80
            [SERVER_NAME] => www.anxuexi.com
            [REDIRECT_STATUS] => 200
            [HTTP_HOST] => www.anxuexi.com
            [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0
            [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
            [HTTP_ACCEPT_LANGUAGE] => zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3
            [HTTP_ACCEPT_ENCODING] => gzip, deflate
            [HTTP_COOKIE] => Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c=1362639551,1363058333,1363168336,1363316834; pgv_pvi=1909240832
            [HTTP_CONNECTION] => keep-alive
            [HTTP_CACHE_CONTROL] => max-age=0
            [PHP_SELF] => /test.php
            [REQUEST_TIME] => 1364452262
            [argv] => Array
                (
                    [0] => a=1&b=1&sdfsd234234234
                )

            [argc] => 1
        )

    [_FILES] => Array
        (
        )

    [HTTP_POST_FILES] => Array
        (
        )

    [_REQUEST] => Array
        (
            [a] => 1
            [b] => 1
            [sdfsd234234234] => 
            [Hm_lvt_62a7e62edce05d23762fcdcc02b18c4c] => 1362639551,1363058333,1363168336,1363316834
            [pgv_pvi] => 1909240832
        )

)