get_categories.php

<?php

	$token = 'ad874e6d9f50389e180f49f4d926d50e';
	$domainname = 'http://localhost/moodle';
	$functionname = 'core_course_get_categories';
	$restformat = 'json';

	$categories = '{}';
	$serverurl = $domainname . '/webservice/rest/server.php'. '?wstoken=' . $token . '&wsfunction='.$functionname.'&moodlewsrestformat=' . $restformat;
	
	try {
		$categories = file_get_contents($serverurl);
		
	} catch (Exception $e) {
		echo $e;
		
	}
	
	$rows = json_decode($categories);

	echo "<pre>";
	print_r($rows);


?>