MongoDB PHP базовые методы (перевод)

<?php
   // connect to mongodb
   $m = new MongoClient();
   echo "Connection to database successfully";
   // select a database
   $db = $m->mydb;
   echo "Database mydb selected";
?>

<?php
   // connect to mongodb
   $m = new MongoClient();
   echo "Connection to database successfully";
   // select a database
   $db = $m->mydb;
   echo "Database mydb selected";
   $collection = $db->createCollection("mycol");
   echo "Collection created succsessfully";
?>

<?php
   // connect to mongodb
   $m = new MongoClient();
   echo "Connection to database successfully";
   // select a database
   $db = $m->mydb;
   echo "Database mydb selected";
   $collection = $db->mycol;
   echo "Collection selected succsessfully";
   $document = array( 
      "title" => "MongoDB", 
      "description" => "database", 
      "likes" => 100,
      "url" => "http://www.tutorialspoint.com/mongodb/",
      "by", "tutorials point"
   );
   $collection->insert($document);
   echo "Document inserted successfully";
?>

<?php
   // connect to mongodb
   $m = new MongoClient();
   echo "Connection to database successfully";
   // select a database
   $db = $m->mydb;
   echo "Database mydb selected";
   $collection = $db->mycol;
   echo "Collection selected succsessfully";
 
   $cursor = $collection->find();
   // iterate cursor to display title of documents
   foreach ($cursor as $document) {
      echo $document["title"] . "\n";
   }
?>

<?php
   // connect to mongodb
   $m = new MongoClient();
   echo "Connection to database successfully";
   // select a database
   $db = $m->mydb;
   echo "Database mydb selected";
   $collection = $db->mycol;
   echo "Collection selected succsessfully";
 
   // now update the document
   $collection->update(array("title"=>"MongoDB"), array('$set'=>array("title"=>"MongoDB Tutorial")));
   echo "Document updated successfully";
   // now display the updated document
   $cursor = $collection->find();
   // iterate cursor to display title of documents
   echo "Updated document";
   foreach ($cursor as $document) {
      echo $document["title"] . "\n";
   }
?>

<?php
   // connect to mongodb
   $m = new MongoClient();
   echo "Connection to database successfully";
   // select a database
   $db = $m->mydb;
   echo "Database mydb selected";
   $collection = $db->mycol;
   echo "Collection selected succsessfully";
   
   // now remove the document
   $collection->remove(array("title"=>"MongoDB Tutorial"),false);
   echo "Documents deleted successfully";
   
   // now display the available documents
   $cursor = $collection->find();
   // iterate cursor to display title of documents
   echo "Updated document";
   foreach ($cursor as $document) {
      echo $document["title"] . "\n";
   }
?>