How to Connect MongoDB For PHP Application ?

// PHP code here

1. <?php
2.  
3. $dbhost ='localhost';
4.  
5. $dbname='test';
6.  
7. $m=new Mongo("mongodb://$dbhost");
8.  
9. $db=$m->$dbname;
10.  
11. $collection=$db->shows;
12.  
13. $cursor = $collection->find();
14.  
15. ?>