MongoDB PHP Installation and operation (Ubuntu 14.04)

installation.txt

#install mongo db
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | sudo tee /etc/apt/sources.list.d/mongodb.list
sudo apt-get update
sudo apt-get install -y mongodb-org

#install pecl
sudo apt-get install php5-dev php5-cli php-pear

#requisites
apt-get install pkg-config

Install mongo extension
pecl install mongodb
add "extension=mongodb.so" to php.ini

#its necessary to use composer to get the libraries. Go to https://getcomposer.org/download/ and make the download.
#after, put the downloaded files into the project folder and execute:
php composer.phar require "mongodb/mongodb=^1.0.0"

operations.php

<?php
require 'vendor/autoload.php';

//connect
$client = new MongoDB\Client("mongodb://localhost:27017");

//select db->table
$collection = $client->examples->nomes;

//inserting
$result = $collection->insertOne(['name' => 'paul', 'lastname' => 'stanley']);

//inserting many. Use array
$data = array(array('name' => 'rick', 'lastname' => 'turing'),array('name' => 'alan', 'lastname' => 'rubin'));
$result = $collection->insertMany($data);

//finding one
$result = $collection->findOne([ 'lastname' => 'turing']);

//finding various
$result = $collection->find(['lastname' => 'turing']);

//list all and sort by lastname and name ascendent
$result = $collection->find([],['sort' => ['lastname' => 1, 'name' => 1],]);

//group by lastname, count lastname e order by count
$result = $collection->aggregate([['$group' => ['_id' => 'lastname', 'count' => ['$sum' => 1]]],['$sort' => ['count' => -1]],]);

//printing
foreach ($result as $document) {echo $document['name'].",".$document['lastname']. "\n";}

//create indexes to accelerate queries
$collection->createIndex(['name' => 1, 'lastname' => 1]);