MongoDB PHP

<?php
   // 连接到mongodb
   $m = new MongoClient();// 选择一个数据库
   $db = $m->mydb;?>

<?php
   // 连接到mongodb
   $m = new MongoClient();// 选择一个数据库
   $db = $m->mydb;
　 $collection = $db->createCollection("mycol");?>

<?php
   // 连接到mongodb
   $m = new MongoClient();// 选择一个数据库
   $db = $m->mydb;
　 $collection = $db->mycol;
　 $document = array( 
      "title" => "MongoDB", 
      "description" => "database", 
      "likes" => 100,
      "url" => "http://www.w3cschool.cc/mongodb/",
      "by", "w3cschool.cc"
   );
   $collection->insert($document);?>

<?php
   // 连接到mongodb
   $m = new MongoClient();// 选择一个数据库
   $db = $m->mydb;
   $collection = $db->mycol;
   $cursor = $collection->find();
   // 迭代显示文档标题
   foreach ($cursor as $document) {
      echo $document["title"] . "\n";
   }
?>

<?php
   // 连接到mongodb
   $m = new MongoClient();
   $db = $m->mydb;
   $collection = $db->mycol;// 更新文档
   $collection->update(array("title"=>"MongoDB"), array(‘$set‘=>array("title"=>"MongoDB Tutorial")));// 显示更新后的文档
   $cursor = $collection->find();
   // 循环显示文档标题foreach ($cursor as $document) {
      echo $document["title"] . "\n";
   }
?>

<?php
   // 连接到mongodb
   $m = new MongoClient();// 选择一个数据库
   $db = $m->mydb;
   $collection = $db->mycol;// 移除文档
   $collection->remove(array("title"=>"MongoDB Tutorial"),false);// 显示可用文档数据
   $cursor = $collection->find();
   // iterate cursor to display title of documentsforeach ($cursor as $document) {
      echo $document["title"] . "\n";
   }
?>