Good Good Study

$hostname = “http://127.0.0.1” ;
//$path=$_SERVER["PHP_SELF"]; //不能取得？后的字符
$url = $_SERVER['REQUEST_URI'];
$url = $hostname.$url;
echo $url;

print_r($_SERVER);//结果如下:

Array
(
    [ALLUSERSPROFILE] => C:\\Documents and Settings\\All Users
    [CommonProgramFiles] => C:\\Program Files\\Common Files
    [COMPUTERNAME] => WH-TONGJ
    [ComSpec] => C:\\WINDOWS\\system32\\cmd.exe
    [CONTENT_LENGTH] => 0
    [FP_NO_HOST_CHECK] => NO
    [GATEWAY_INTERFACE] => CGI/1.1
    [HTTP_ACCEPT] => */*
    [HTTP_ACCEPT_LANGUAGE] => zh-cn
    [HTTP_CONNECTION] => Keep-Alive
    [HTTP_HOST] => 127.0.0.1
    [HTTP_USER_AGENT] => Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Foxy/1; TencentTraveler )
    [HTTP_COOKIE] => AJSTAT_ok_times=15; pma_lang=zh-gb2312-utf-8; pma_charset=iso-8859-1; pma_collation_connection=gb2312_chinese_ci; eremite=0; UserName=tongjun; Userpass=b0228cb913f0c314ecc8f5bb6aec0aaa; PHPSESSID=2b5959674ae23bbc384225b67d25cd16; rikee=xs=0; ASPSESSIONIDSCBQTCRC=LLOJGEABFEOELNKNEHMCIIJO; phpMyAdmin=aacceacb18714665c503e7fea6799c05; pma_fontsize=100%25; pma_theme=original
    [HTTP_ACCEPT_ENCODING] => gzip, deflate
    [HTTPS] => off
    [INSTANCE_ID] => 1
    [LOCAL_ADDR] => 127.0.0.1
    [NUMBER_OF_PROCESSORS] => 1
    [OS] => Windows_NT
    [Path] => C:\\Program Files\\PC Connectivity Solution\\;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\System32\\Wbem
    [PATH_INFO] => /u.php
    [PATH_TRANSLATED] => D:\\我的文档\\wwwroot\\u.php
    [PATHEXT] => .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
    [PROCESSOR_ARCHITECTURE] => x86
    [PROCESSOR_IDENTIFIER] => x86 Family 6 Model 13 Stepping 8, GenuineIntel
    [PROCESSOR_LEVEL] => 6
    [PROCESSOR_REVISION] => 0d08
    [ProgramFiles] => C:\\Program Files
    [QUERY_STRING] => u=fd&fd=fd&fd
    [REMOTE_ADDR] => 127.0.0.1
    [REMOTE_HOST] => 127.0.0.1
    [REQUEST_METHOD] => GET
    [SCRIPT_NAME] => /u.php
    [SERVER_NAME] => 127.0.0.1
    [SERVER_PORT] => 80
    [SERVER_PORT_SECURE] => 0
    [SERVER_PROTOCOL] => HTTP/1.1
    [SERVER_SOFTWARE] => Microsoft-IIS/5.1
    [SystemDrive] => C:
    [SystemRoot] => C:\\WINDOWS
    [TEMP] => C:\\WINDOWS\\TEMP
    [TMP] => C:\\WINDOWS\\TEMP
    [USERPROFILE] => C:\\Documents and Settings\\LocalService
    [windir] => C:\\WINDOWS
    [PHP_SELF] => /u.php
    [argv] => Array
        (
            [0] => u=fd&fd=fd&fd
        )

    [argc] => 1
)