$_server[' Http_accept_language ']//Browser Language$_server[' REMOTE_ADDR ']//Current User IP$_server[' Remote_host ']//Current User host name$_server[' Requesr_uri ']//URL$_server[' Remote_port ']//Port. $_server[' server_name ']//the name of the server host. $_server[' Php_self ']//the file name of the script being executed$_server[' argv ']//The arguments passed to the script. $_server[' ARGC ']//the number of command-line arguments passed to the program. $_server[' Gateway_interface ']//the version of the CGI specification. $_server[' Server_software ']//server-identified strings$_server[' Server_protocol ']//the name and version of the communication protocol when the page is requested$_server[' Request_method ']//request method when accessing a page$_server[' Query_string ']//a string that queries (query). $_server[' Document_root ']//the document root directory where the current run script resides$_server[' Http_accept ']//Accept for current request: The contents of the header. $_server[' Http_accept_charset ']//Accept-charset of the current request: the contents of the header. $_server[' Http_accept_encoding ']//accept-encoding of the current request: the contents of the header$_server[' Http_connection ']//Connection of the current request: the contents of the header. For example: "Keep-alive". $_server[' Http_host ']//Host of the current request: the contents of the header. $_server[' Http_referer ']//the URL address of the previous page that links to the current page. $_server[' Http_user_agent ']//User_agent of the current request: the contents of the header. $_server[' HTTPS ']//if accessed over HTTPS, it is set to a non-null value (on), otherwise it returns off$_server[' Script_filename ']#the absolute path name of the currently executing script. $_server[' Server_admin ']#Administrator Information$_server[' Server_port ']#the port used by the server$_server[' Server_signature ']#A string containing the server version and the virtual host name. $_server[' path_translated ']#the base path to the file system (not the document root) where the current script resides. $_server[' Script_name ']#contains the path to the current script. This is useful when the page needs to point to itself. $_server[' Php_auth_user ']#when PHP is running in the Apache module mode and is using the HTTP authentication feature, this variable is the user name entered by the user. $_server[' PHP_AUTH_PW ']#when PHP is running in the Apache module mode and is using the HTTP authentication function, this variable is the password entered by the user. $_server[' Auth_type ']#when PHP is running in the Apache module mode and is using the HTTP authentication feature, this variable is the type of authentication
PHP $_server Common Commands