How can PHP scripts determine the server configuration to adjust directory permissions accordingly?

PHP scripts can determine the server configuration by using the `$_SERVER` superglobal array, specifically the `DOCUMENT_ROOT` key which contains the base directory of the server. By accessing this value, scripts can adjust directory permissions accordingly based on the server's configuration. 

$documentRoot = $_SERVER['DOCUMENT_ROOT'];
// Use $documentRoot to adjust directory permissions accordingly

Keywords

PHP server configuration directory permissions file permissions get_current_user

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