Common php $ _ SERVER

: This article mainly introduces common php $ _ SERVER. For more information about PHP tutorials, see. Element/code description

$ _ SERVER ['php _ SELF ']	Returns the file name of the currently executed script.
$ _ SERVER ['gateway _ interface']	Return the CGI standard version used by the server.
$ _ SERVER ['server _ ADDR ']	Returns the IP address of the server where the script is currently running.
$ _ SERVER ['server _ name']	Returns the host name (for example, www.w3school.com.cn) of the server where the script is currently running ).
$ _ SERVER ['server _ soft']	Returns the server ID string (for example, Apache/2.2.24 ).
$ _ SERVER ['server _ protocol']	The name and version of the communication protocol when the request page is returned (for example, "HTTP/1.0 ").
$ _ SERVER ['request _ method']	Return the request method used to access the page (for example, POST ).
$ _ SERVER ['request _ time']	Returns the start timestamp of the request (for example, 1577687494 ).
$ _ SERVER ['query _ string']	Returns the query string. if the query string is used to access this page.
$ _ SERVER ['http _ ACCEPT ']	Returns the request header from the current request.
$ _ SERVER ['http _ accept_charset']	Returns the Accept_Charset header from the current request (e.g. UTF-8, ISO-8859-1)
$ _ SERVER ['http _ host']	Returns the Host header from the current request.
$ _ SERVER ['http _ referer']	Returns the complete URL of the current page (unreliable because not all user proxies support it ).
$ _ SERVER ['https']	Whether to use the security HTTP protocol to query scripts.
$ _ SERVER ['remote _ ADDR ']	Returns the IP address of the user browsing the current page.
$ _ SERVER ['remote _ host']	Returns the host name of the user browsing the current page.
$ _ SERVER ['remote _ port']	Return the port number used to connect to the Web server on your machine.
$ _ SERVER ['script _ filename']	Returns the absolute path of the currently executed script.
$ _ SERVER ['server _ admin']	This value specifies the SERVER_ADMIN parameter in the Apache server configuration file.
$ _ SERVER ['server _ port']	The port used by the Web server. The default value is "80 ".
$ _ SERVER ['server _ SIGNATURE ']	Returns the server version and virtual host name.
$ _ SERVER ['path _ TRANSLATED ']	The basic path of the file system (non-document root directory) where the current script is located.
$ _ SERVER ['script _ name']	Returns the path of the current script.
$ _ SERVER ['script _ URI ']	Returns the URI of the current page.

The table above lists the most important elements that you can access in $ _ SERVER:

The above section describes the common php $ _ SERVER, including some content, and hopes to help those who are interested in PHP tutorials.