Php Mongodb 简明教程

PHP & MongoDB - Connecting Database

执行任何操作的第一步是创建一个管理器实例。

// Connect to MongoDB using Manager Instance
$manager = new MongoDB\Driver\Manager("mongodb://localhost:27017");

第二步是准备并执行一个命令以创建一个数据库，如果数据库不存在，则 MongoDB 会自动创建它。

// Create a Command Instance
$statistics = new MongoDB\Driver\Command(["dbstats" => 1]);

// Execute the command on the database
$cursor = $manager->executeCommand("myDb", $statistics);

Example

尝试以下示例以连接到 MongoDB 服务器 −

将以下示例复制粘贴到 mongodb_example.php −

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

      echo "Connection to database successfully";
      $statistics = new MongoDB\Driver\Command(["dbstats" => 1]);
      $cursor = $manager->executeCommand("myDb", $statistics);
      $statistics = current($cursor->toArray());
      echo "<pre>";
      print_r($statistics);
      echo "</pre>";
   } catch (MongoDB\Driver\Exception\Exception $e) {
      echo "Exception:", $e->getMessage(), "\n";
   }
?>

Output

访问部署在 Apache Web 服务器上的 mongodb_example.php 并验证输出。

Connection to database successfully
stdClass Object
(
   [db] => myDb
   [collections] => 0
   [views] => 0
   [objects] => 0
   [avgObjSize] => 0
   [dataSize] => 0
   [storageSize] => 0
   [totalSize] => 0
   [indexes] => 0
   [indexSize] => 0
   [scaleFactor] => 1
   [fileSize] => 0
   [fsUsedSize] => 0
   [fsTotalSize] => 0
   [ok] => 1
)