$config = getConfig(); //get the configuration file $title = $config->getTitle(); //get the title from the configuration file echo 'This code retrieves the title from the configuration file using the getTitle() method and then puts it in the header of the web page using the echo statement. It is difficult to determine which package library the getConfig() method belongs to because it is a built-in function in PHP and does not require any external package or library.'.$title.' '; //put the title in the web page header