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CGI works by an HTTP application server filling in all the required environment variables and invoking the PHP process. And these environment variables are stored under $_SERVER.
$_SERVER is a PHP super global variable which holds information about headers, paths, and script locations. The example below shows how to use some of the elements in $_SERVER:
Predefined Variables. Change language: $_SERVER. (PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8) $_SERVER — Server and execution environment information. Description ¶. $_SERVER is an array containing information such as headers, paths, and script locations.
8 gru 2012 · $_SERVER['SERVER_NAME'] gives the value of the server name as defined in host configuration (i.e for Apache the Apache .conf file). $_SERVER['HTTP_HOST'] gives you the domain name through which the current request is being fulfilled and is more directly related to the request.
15 lis 2019 · In PHP $_SERVER is a superglobal, an array which contains different information like headers, path, Server name, Server software, Server protocol, IP address, and few others. However you may access all or not depends on your hosting or web server where your site is hosted. $_SERVER Example
3 lip 2019 · $_SERVER is one of the PHP global variables—termed Superglobals—which contain information about server and execution environments. These are pre-defined variables so they are always accessible from any class, function or file.
PHP provides a large number of predefined variables to all scripts. The variables represent everything from external variables to built-in environment variables, last error messages to last retrieved headers.
