PHP与MongoDB

<p>5、插入文档(记录)</p><pre class="brush:php;toolbar:false"> 
&lt;?php 
// 引入MongoDB库 
require_once 'vendor/autoload.php'; 
// 创建MongoClient对象 
$client = new MongoDBClient("mongodb://localhost:27017"); 
// 选择数据库和集合 
$database = $client-&gt;mydb; 
$collection = $database-&gt;mycollection; 
// 定义文档(记录)数据 
$document = [ 
    'name' =&gt; 'John Doe', 
    'age' =&gt; 30, 
    'city' =&gt; 'New York' 
]; 
// 将文档插入集合中 
$result = $collection-&gt;insertOne($document); 
echo "Inserted document with _id: " . $result-&gt;getInsertedId() . " and _n document number: " . $result-&gt;getInsertedCount(); // Inserted document with _id: ObjectId(5f8d4a6b9d3c4e6d8a000011) and _n document number: 1
?&gt;</pre><p>6、查询文档(记录)</p><pre class="brush:php;toolbar:false"> 
&lt;?php 
// 引入MongoDB库 
require_once 'vendor/autoload.php'; 
// 创建MongoClient对象 
$client = new MongoDBClient("mongodb://localhost:27017"); 
// 选择数据库和集合 
$database = $client-&gt;mydb; 
$collection = $database-&gt;mycollection; 
// 查询所有文档(记录)并打印结果到控制台 
foreach ($collection-&gt;find() as $document) { 
    echo json_encode($document, JSON_PRETTY_PRINT) . " 
"; // {"name":"John Doe","age":30,"city":"New York"} {"name":"Jane Doe","age":28,"city":"Los Angeles"} ... 
} ?&gt;</pre>