➜ bin pwd
/usr/local/php7.1/bin
➜ bin sudo ./pecl install mongodb

<?php $manager = new MongoDB\Driver\Manager("mongodb://localhost:27017");

// 插入数据
$bulk = new MongoDB\Driver\BulkWrITe;
$bulk->insert(['id' => 1, 'name'=>'GOOGLE']);
$bulk->insert(['id' => 2, 'name'=>'Github']);
$bulk->insert(['id' => 3, 'name'=>'StackOverFlow']);
$manager->executeBulkWrite('test.sites', $bulk);

$filter = ['id' => ['$gt' => 1]];
$options = [
 'PRojection' => ['_id' => 0],
 'sort' => ['id' => -1],
];

// 查询数据
$query = new MongoDB\Driver\Query($filter, $options);
$cursor = $manager->executeQuery('test.sites', $query);

foreach ($cursor as $document) {
 echo "<pre>";
 var_dump($document);
}