อธิบาย test.php/?love ให้หน่อยครับ อธิบาย test.php/?love ให้หน่อยครับอยากทราบว่า ?love จะต้องทำอ

<?php

	$input = array(
					'id'		=>	0,
					'title'		=>	'',
					'page'		=>	1,
					'action'	=>	'',
					'count'		=>	0
					);

getInput( $input );

	function getInput( &$input )
	{
		global $actionArray;
		
		list( $script, $module, $idNameHTML, $pageHTML, $actionHTML) = explode('/', $_SERVER['QUERY_STRING']);
		
		list($id, $title) = split('[-.]', $idNameHTML);
		if ( is_numeric($id) && $id > 0 ) $input['id'] = $id;
		
		list($page) = explode('.', $pageHTML);
		if ( is_numeric($page) && $page > 0 ) $input['page'] = $page;
		
		list($action) = explode('.', $actionHTML);
		if ( in_array($action, $actionArray)) $input['action'] = $action;
	}
?>

<?php
$thread = fetchThread($input['id']);

	function fetchThread($id)
	{
		global $db;
		
		$sql = $db->query("SELECT *, t.title AS ttitle,  t.desc AS tdesc FROM thread as t 
								LEFT JOIN user as u ON t.uID=u.uID
								LEFT JOIN ugroup as ug ON u.uGroupID=ug.uGroupID
								LEFT JOIN icon as i ON t.iconID=i.iconID
								LEFT JOIN prefix as p ON t.prefixid=p.preID
								LEFT JOIN forum AS f ON f.forum_id = t.forumID
								WHERE t.threadID=" . $id . "
								AND t.status='show'
								AND f.forumStatus = 'show'
								ORDER BY lastreplydate DESC"); 
		if ( $db->numrows($sql) == 1 )	
			return $db->fetch_array($sql);
		else
			return false;							
	}

?>