$_SERVER 数据的一系列数据

'TMP' => string '\xampp\tmp' (length=10)
  'HTTP_ACCEPT' => string 'image/jpeg, application/x-ms-application, image/gif, application/xaml+xml, image/pjpeg, application/x-ms-xbap, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*' (length=191)
  'HTTP_REFERER' => string 'http://localhost:8080/Site/HG/HG/index.php?s=/Avatar/index/id/4434' (length=66)
  'HTTP_ACCEPT_LANGUAGE' => string 'zh-CN' (length=5)
  'HTTP_USER_AGENT' => string 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; .NET4.0C; .NET4.0E; Tablet PC 2.0)' (length=198)
  'HTTP_ACCEPT_ENCODING' => string 'gzip, deflate' (length=13)
  'HTTP_HOST' => string 'localhost:8080' (length=14)
  'HTTP_CONNECTION' => string 'Keep-Alive' (length=10)
  'HTTP_COOKIE' => string 'PHPSESSID=554hos2ag5kcev159vpst9lit0' (length=36)
  'PATH' => string 'C:\Program Files\NVIDIA Corporation\PhysX\Common;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Microsoft SQL Server\90\Tools\binn\;C:\Program Files\QuickTime\QTSystem\;e:\Program Files\Tencent\QQPCMgr\6.5.2123.201;E:\Program Files\TortoiseSVN\bin;e:\Program Files\Tencent\QQPCMgr\6.5.2123.201' (length=363)
  'SystemRoot' => string 'C:\Windows' (length=10)
  'COMSPEC' => string 'C:\Windows\system32\cmd.exe' (length=27)
  'PATHEXT' => string '.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC' (length=53)
  'WINDIR' => string 'C:\Windows' (length=10)
  'SERVER_SIGNATURE' => string '<address>Apache/2.2.21 (Win32) mod_ssl/2.2.21 OpenSSL/1.0.0e PHP/5.3.8 mod_perl/2.0.4 Perl/v5.10.1 Server at localhost Port 8080</address>
' (length=139)
  'SERVER_SOFTWARE' => string 'Apache/2.2.21 (Win32) mod_ssl/2.2.21 OpenSSL/1.0.0e PHP/5.3.8 mod_perl/2.0.4 Perl/v5.10.1' (length=89)
  'SERVER_NAME' => string 'localhost' (length=9)
  'SERVER_ADDR' => string '::1' (length=3)
  'SERVER_PORT' => string '8080' (length=4)
  'REMOTE_ADDR' => string '::1' (length=3)
  'DOCUMENT_ROOT' => string 'E:/xampp/htdocs' (length=15)
  'SERVER_ADMIN' => string 'postmaster@localhost' (length=20)
  'SCRIPT_FILENAME' => string 'E:/xampp/htdocs/Site/HG/HG/index.php' (length=36)
  'REMOTE_PORT' => string '35731' (length=5)
  'GATEWAY_INTERFACE' => string 'CGI/1.1' (length=7)
  'SERVER_PROTOCOL' => string 'HTTP/1.1' (length=8)
  'REQUEST_METHOD' => string 'GET' (length=3)
  'QUERY_STRING' => string 's=/Avatar/edit/id/4434/photoID/134' (length=34)
  'REQUEST_URI' => string '/Site/HG/HG/index.php?s=/Avatar/edit/id/4434/photoID/134' (length=56)
  'SCRIPT_NAME' => string '/Site/HG/HG/index.php' (length=21)
  'PHP_SELF' => string '/Site/HG/HG/index.php' (length=21)
  'REQUEST_TIME' => int 1337745413
  'PATH_INFO' => string '/Avatar/edit/id/4434/photoID/134' (length=32)