require_once('lib/pkp/classes/core/PKPRouter.inc.php'); $router = new PKPRouter(); $journalPath = $router->getRequestedJournalPath(); echo "The requested journal path is: " . $journalPath;In this example, we first include the PKPRouter class from the OJS library. We then create a new PKPRouter object and call the getRequestedJournalPath() method to retrieve the requested journal path. Finally, we print out the requested journal path to the user. This example is just one possible usage of the getRequestedJournalPath() function. Other possible use cases include customizing the display of content based on the requested journal, passing the requested journal as a parameter to another function, etc. To summarize, the getRequestedJournalPath() function is a useful built-in function in the OJS library that allows developers to retrieve the requested journal path from the URL.