Mảng $_SERVER

Mảng $_SERVER là 1 mảng được xác định trước, được thiết lập bới máy chủ web (wampserver)

 Thực hiện print toàn bộ thông tin về mảng $_SERVER

 <?php

echo "<pre>";

print_r($_SERVER);

kết quả:

 -Array

(

    [HTTP_HOST] => localhost

    [HTTP_CONNECTION] => keep-alive

    [HTTP_UPGRADE_INSECURE_REQUESTS] => 1

    [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36

    [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9

    [HTTP_SEC_FETCH_SITE] => same-origin

    [HTTP_SEC_FETCH_MODE] => navigate

    [HTTP_SEC_FETCH_USER] => ?1

    [HTTP_SEC_FETCH_DEST] => document

    [HTTP_REFERER] => http://localhost/demo/mangserver/

    [HTTP_ACCEPT_ENCODING] => gzip, deflate, br

    [HTTP_ACCEPT_LANGUAGE] => en-US,en-CA;q=0.9,en;q=0.8,zh-CN;q=0.7,zh;q=0.6

    [PATH] => E:\Program Files (x86)\Common Files\Intel\Shared Files\cpp\bin\Intel64;E:\Windows\system32;E:\Windows;E:\Windows\System32\Wbem;E:\Windows\System32\WindowsPowerShell\v1.0\;E:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;E:\wamp64\bin\php\php7.4.0;

    [SystemRoot] => E:\Windows

    [COMSPEC] => E:\Windows\system32\cmd.exe

    [PATHEXT] => .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC

    [WINDIR] => E:\Windows

    [SERVER_SIGNATURE] =>

Apache/2.4.41 (Win64) PHP/7.3.12 Server at localhost Port 80

 

    [SERVER_SOFTWARE] => Apache/2.4.41 (Win64) PHP/7.3.12

    [SERVER_NAME] => localhost

    [SERVER_ADDR] => ::1

    [SERVER_PORT] => 80

    [REMOTE_ADDR] => ::1

    [DOCUMENT_ROOT] => E:/wamp64/www

    [REQUEST_SCHEME] => http

    [CONTEXT_PREFIX] =>

    [CONTEXT_DOCUMENT_ROOT] => E:/wamp64/www

    [SERVER_ADMIN] => wampserver@wampserver.invalid

    [SCRIPT_FILENAME] => E:/wamp64/www/demo/mangserver/mangserver.php

    [REMOTE_PORT] => 50746

    [GATEWAY_INTERFACE] => CGI/1.1

    [SERVER_PROTOCOL] => HTTP/1.1

    [REQUEST_METHOD] => GET

    [QUERY_STRING] =>

    [REQUEST_URI] => /demo/mangserver/mangserver.php

    [SCRIPT_NAME] => /demo/mangserver/mangserver.php

    [PHP_SELF] => /demo/mangserver/mangserver.php

    [REQUEST_TIME_FLOAT] => 1596252364.334

    [REQUEST_TIME] => 1596252364

 

 

)

In ra các thông tin cần thiết:

<?php

echo "tra ve ten file php dang chay <br>";

echo $_SERVER['SCRIPT_FILENAME']; echo "<br>";

echo "tra ve ten may chu <br>";

echo $_SERVER['SERVER_NAME'];echo "<br>";

echo "tra ve duong dan thu muc dang chay file php <br>";

echo $_SERVER['HTTP_REFERER'];echo "<br>";

echo "tra ve ten&phien ban webserver <br>";

echo $_SERVER['SERVER_SOFTWARE'];echo "<br>";

echo "tra ve phuong thuc yeu cau";

echo $_SERVER['REQUEST_METHOD'];echo "<br>";

echo "The query string is: ".$_SERVER['QUERY_STRING'];echo     "<br>";

kết quả:

tra ve ten file php dang chay
E:/wamp64/www/demo/mangserver/mangserver.php
tra ve ten may chu
localhost
tra ve duong dan thu muc dang chay file php
http://localhost/demo/mangserver/
tra ve ten&phien ban webserver
Apache/2.4.41 (Win64) PHP/7.3.12

tra ve phuong thuc yeu cau

GET
The query string is: