$_SERVER · PHP学习

# $\_SERVER $\_SERVER $\_SERVER 这种超全局变量保存关于报头、路径和脚本位置的信息 ``` <pre class="calibre10">``` Array ( [MIBDIRS] => D:/xampp/php/extras/mibs [MYSQL_HOME] => \xampp\mysql\bin [OPENSSL_CONF] => D:/xampp/apache/bin/openssl.cnf [PHP_PEAR_SYSCONF_DIR] => \xampp\php [PHPRC] => \xampp\php [TMP] => \xampp\tmp [HTTP_HOST] => localhost [HTTP_CONNECTION] => keep-alive [HTTP_CACHE_CONTROL] => max-age=0 [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36 [HTTP_UPGRADE_INSECURE_REQUESTS] => 1 [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8 [HTTP_REFERER] => http://localhost/moodle317/aaa/ [HTTP_ACCEPT_ENCODING] => gzip, deflate, br [HTTP_ACCEPT_LANGUAGE] => zh-CN,zh;q=0.9 [HTTP_COOKIE] => MoodleSession=6ud7nejmg99t8lsotajvaalbf4 [PATH] => C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;D:\xampp\php;C:\ProgramData\ComposerSetup\bin;D:\xampp\php;d:\Program Files\Git\cmd;d:\xampp\mysql\bin;C:\Users\Administrator\AppData\Roaming\Composer\vendor\bin;C:\ProgramData\ComposerSetup\bin;C:\Users\Administrator\AppData\Local\GitHubDesktop\bin [SystemRoot] => C:\Windows [COMSPEC] => C:\Windows\system32\cmd.exe [PATHEXT] => .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC [WINDIR] => C:\Windows [SERVER_SIGNATURE] => Apache/2.4.12 (Win32) OpenSSL/1.0.1l PHP/5.6.8 Server at localhost Port 80 [SERVER_SOFTWARE] => Apache/2.4.12 (Win32) OpenSSL/1.0.1l PHP/5.6.8 [SERVER_NAME] => localhost [SERVER_ADDR] => ::1 [SERVER_PORT] => 80 [REMOTE_ADDR] => ::1 [DOCUMENT_ROOT] => D:/xampp/htdocs [REQUEST_SCHEME] => http [CONTEXT_PREFIX] => [CONTEXT_DOCUMENT_ROOT] => D:/xampp/htdocs [SERVER_ADMIN] => localhost [SCRIPT_FILENAME] => D:/xampp/htdocs/moodle317/aaa/aaa.php [REMOTE_PORT] => 62947 [GATEWAY_INTERFACE] => CGI/1.1 [SERVER_PROTOCOL] => HTTP/1.1 [REQUEST_METHOD] => GET [QUERY_STRING] => [REQUEST_URI] => /moodle317/aaa/aaa.php [SCRIPT_NAME] => /moodle317/aaa/aaa.php [PHP_SELF] => /moodle317/aaa/aaa.php [REQUEST_TIME_FLOAT] => 1511243359.662 [REQUEST_TIME] => 1511243359 ) ``` ``` 下表列出了您能够在 $\_SERVER 中访问的最重要的元素： ``` <pre class="calibre17">``` echo "PHP_SELF : " . $_SERVER['PHP_SELF'] . " "; echo "GATEWAY_INTERFACE : " . $_SERVER['GATEWAY_INTERFACE'] . " "; echo "SERVER_ADDR : " . $_SERVER['SERVER_ADDR'] . " "; echo "SERVER_NAME : " . $_SERVER['SERVER_NAME'] . " "; echo "SERVER_SOFTWARE : " . $_SERVER['SERVER_SOFTWARE'] . " "; echo "SERVER_PROTOCOL : " . $_SERVER['SERVER_PROTOCOL'] . " "; echo "REQUEST_METHOD : " . $_SERVER['REQUEST_METHOD'] . " "; echo "REQUEST_TIME : " . $_SERVER['REQUEST_TIME'] . " "; echo "REQUEST_TIME_FLOAT : " . $_SERVER['REQUEST_TIME_FLOAT'] . " "; echo "QUERY_STRING : " . $_SERVER['QUERY_STRING'] . " "; echo "DOCUMENT_ROOT : " . $_SERVER['DOCUMENT_ROOT'] . " "; echo "HTTP_ACCEPT : " . $_SERVER['HTTP_ACCEPT'] . " "; echo "HTTP_ACCEPT_CHARSET : " . $_SERVER['HTTP_ACCEPT_CHARSET'] . " "; echo "HTTP_ACCEPT_ENCODING : " . $_SERVER['HTTP_ACCEPT_ENCODING'] . " "; echo "HTTP_ACCEPT_LANGUAGE : " . $_SERVER['HTTP_ACCEPT_LANGUAGE'] . " "; echo "HTTP_CONNECTION : " . $_SERVER['HTTP_CONNECTION'] . " "; echo "HTTP_HOST : " . $_SERVER['HTTP_HOST'] . " "; echo "HTTP_REFERER : " . $_SERVER['HTTP_REFERER'] . " "; echo "HTTP_USER_AGENT : " . $_SERVER['HTTP_USER_AGENT'] . " "; echo "HTTPS : " . $_SERVER['HTTPS'] . " "; echo "REMOTE_ADDR : " . $_SERVER['REMOTE_ADDR'] . " "; echo "REMOTE_HOST : " . $_SERVER['REMOTE_HOST'] . " "; echo "REMOTE_PORT : " . $_SERVER['REMOTE_PORT'] . " "; echo "REMOTE_USER : " . $_SERVER['REMOTE_USER'] . " "; echo "REDIRECT_REMOTE_USER : " . $_SERVER['REDIRECT_REMOTE_USER'] . " "; echo "SCRIPT_FILENAME : " . $_SERVER['SCRIPT_FILENAME'] . " "; echo "SERVER_ADMIN : " . $_SERVER['SERVER_ADMIN'] . " "; echo "SERVER_PORT : " . $_SERVER['SERVER_PORT'] . " "; echo "SERVER_SIGNATURE : " . $_SERVER['SERVER_SIGNATURE'] . " "; echo "PATH_TRANSLATED : " . $_SERVER['PATH_TRANSLATED'] . " "; echo "SCRIPT_NAME : " . $_SERVER['SCRIPT_NAME'] . " "; echo "REQUEST_URI : " . $_SERVER['REQUEST_URI'] . " "; echo "PHP_AUTH_DIGEST : " . $_SERVER['PHP_AUTH_DIGEST'] . " "; echo "PHP_AUTH_USER : " . $_SERVER['PHP_AUTH_USER'] . " "; echo "PHP_AUTH_PW : " . $_SERVER['PHP_AUTH_PW'] . " "; echo "AUTH_TYPE : " . $_SERVER['AUTH_TYPE'] . " "; echo "PATH_INFO : " . $_SERVER['PATH_INFO'] . " "; echo "ORIG_PATH_INFO : " . $_SERVER['ORIG_PATH_INFO'] . " "; ``` ```