<?php                                                                                
$opts = array (                                                                      
  'allowPartialResults' => false,                                                    
  'batchSize' => 101,                                                                
  'comment' => '',                                                                   
  'cursorType' => 0,                                                                 
  'limit' => 1,                                                                      
  'maxTimeMS' => 0,                                                                  
  'modifiers' =>                                                                     
  array (                                                                            
  ),                                                                                 
  'noCursorTimeout' => false,                                                        
  'oplogReplay' => false,                                                            
  'projection' =>                                                                    
  array (                                                                            
  ),                                                                                 
  'skip' => 0,                                                                       
  'sort' =>                                                                          
  array (                                                                            
  ),                                                                                 
  'cursorFlags' => 0,                                                                
);                                                                                   
                                                                                     
$m = new MongoDB\Driver\Manager("mongodb://localhost:27017");                        
$q = new MongoDB\Driver\Query(array(), $opts);                                       
                                                                                     
$m->executeQuery("dbname.collname", $q);          
echo "I'm alive\n";