Pablo Godel @pgodel - MidwestPHP 2013March 2nd 2013 - St. Paul, MN

https://joind.in/8211

Sunday, March 3, 13

Who Am I?

⁃ Born in Argentina, living in the US since 1999⁃ PHP & Symfony developer

⁃ Founder of the original PHP mailing list in spanish ⁃ Master of the parrilla

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⁃ Founded ServerGrove Networks in 2005

⁃ Provider of web hosting specialized in PHP, Symfony, ZendFramework, and others

⁃ Mongohosting.com!

⁃ Servers in Miami, FL and Dublin, Ireland

ServerGrove!

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⁃ Very active open source supporter through codecontributions and usergroups/conference sponsoring

Community is our teacher

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Agenda

- Introduction to MongoDB- PHP and MongoDB- PHP Libraries- Introduction to Symfony2- Symfony2 and MongoDB

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What is MongoDB?

Who is 10Gen?

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MongoMongo as in "humongous". Used to describe something extremely large or important.

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MongoDB is a scalable, high-performance, open source NoSQL database.

- Document Oriented DB- Written in C++

- Available for *nux (Linux, Solaris, etc), Windows and OS X

- Lots of Drivers (PHP, Java, Python, Ruby...)

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- Flexible JSON-style documents- Full Indexing- Complex Queries / Map Reduce- Aggregation Framework- GridFS (store files natively)- Multiple Replication Options- Sharding- Simple Installation / Zero Config

Features

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Document Oriented

Database => DatabaseTable => CollectionRow => Document

Coming from SQL?

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JSON-style documents

{ name: { first: 'John', last: 'Doe' }, title: 'Engineer', age: 40}

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No Schema or fixed tables

{ name: { first: 'Foo', last: 'Bar' }, title: 'Student', school: 'Harvard'}

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Embedded documents{ "_id" : ObjectId("4ccba15ef597e9352e060000") "srcFilename" : "/etc/apache2/sites-enabled/example1.com", "vhostDirective" : { "directives" : [ { "name" : "CustomLog", "value" : "logs/example1.com-access_log combined" }, { "name" : "DocumentRoot", "value" : "/var/www/vhosts/example1.com/httpdocs" }, { "name" : "ServerName", "value" : "example1.com" } ] } }

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Document Referencing{ "_id" : ObjectId("4cc4a5c3f597e9db6e010109"), "billingId" : NumberLong(650), "created" : ISODate("2010-10-24T21:31:47Z"), "servers" : [ { "$ref" : "server", "$id" : ObjectId("4cc4a5c4f597e9db6e050201") }], "users" : [ { "$ref" : "user", "$id" : ObjectId("4cc4a5c4f597e9db6e980201") }, { "$ref" : "user", "$id" : ObjectId("4cc4a5c4f597e9db6e9c0201") }] }

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Full Indexing

db.coll.ensureIndex({name.last: 1})

db.coll.ensureIndex({name.first: 1, name.last: 1})

db.coll.ensureIndex({age: 0})

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Querying

db.coll.find({name: 'John'})

db.coll.find({keywords: 'storage'})

db.coll.find({keywords: {$in: ['storage', 'DBMS']}}

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GridFS

- Files are divided in chunks and stored over multiple documents

- Transparent API

$grid->storeFile("/path/to/somefile.txt",  array("metadata" => array("date" => new MongoDate())));

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Replication

Source: http://www.mongodb.org/display/DOCS/Replication

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Shards

Source: http://www.mongodb.org/display/DOCS/Introduction

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Simple Installation/Zero Config

wget http://fastdl.mongodb.org/osx/mongodb-osx-x86_64-2.2.3.tgz

tar zxvf mongodb-osx-x86_64-2.2.3.tgz

cd mongodb-osx-x86_64-2.2.3

./mongod

OS X

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/etc/yum.repos.d/10gen.repo

CentOS Linux

[10gen]name=10gen Repositorybaseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64gpgcheck=0

$ yum install -y mongo-10gen-server$ service mongod start

Simple Installation/Zero Config

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Why is MongoDB good for Rapid Development of Web Apps?

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Schema-less / Document Oriented

FLEXIBILITY

Rapid Development

by exfordy

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EASIER MIGRATIONS

by exfordy

Rapid Development

Schema-less / Document Oriented

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NO JOINS!

Rapid Development

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SPEED

by xavi talleda

Performance

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SCALABILITY

by Jimee, Jackie, Tom & Asha

Performance

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No TransactionsNo Rollbacks

Unsafe defaultsMap Reduce locks

A Word of Caution

by Ernst Vikne

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Great Use Cases

- Content Management

- Product Catalogs

- Realtime Analytics

- Logs Storage

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and

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PECL driver

pecl install mongoecho “extension=mongo.so >> /path/php.ini”

Linux

OS X

Windowshttps://github.com/mongodb/mongo-php-driver/downloads

http://php-osx.liip.ch/

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Attention

$m = new Mongo();

Mongo 1.2.x

$m = new MongoClient();

Mongo 1.3.x

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<?php

// connect$m = new MongoClient();

// select a database$db = $m->comedy;

// select a collection (analogous to a relational database's table)$collection = $db->cartoons;

// add a record$obj = array( "title" => "Calvin and Hobbes", "author" => "Bill Watterson" );$collection->insert($obj);

// add another record, with a different "shape"$obj = array( "title" => "XKCD", "online" => true );$collection->insert($obj);

// find everything in the collection$cursor = $collection->find();

// iterate through the resultsforeach ($cursor as $obj) {    echo $obj["title"] . "\n";}

?>

Usage

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<?php

// save a file$id = $grid->storeFile("game.tgz");$game = $grid->findOne();

// add a downloads counter$game->file['downloads'] = 0;$grid->save($game->file);

// increment the counter$grid->update(array("_id" => $id), array('$inc' => array("downloads" => 1)));

?>

Storing Files

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SQL to Mongo Mapping Chart

This is a PHP-specific version of the » SQL to Mongo mapping chart in the main docs.

SQL StatementMongo Query Language Statement

CREATE TABLE USERS (a Number, b Number)Implicit or use MongoDB::createCollection().INSERT INTO USERS VALUES(1,1)$db->users->insert(array("a" => 1, "b" => 1));SELECT a,b FROM users$db->users->find(array(), array("a" => 1, "b" => 1));SELECT * FROM users WHERE age=33$db->users->find(array("age" => 33));SELECT a,b FROM users WHERE age=33$db->users->find(array("age" => 33), array("a" => 1, "b" => 1));SELECT a,b FROM users WHERE age=33 ORDER BY name$db->users->find(array("age" => 33), array("a" => 1, "b" => 1))->sort(array("name" => 1));SELECT * FROM users WHERE age>33$db->users->find(array("age" => array('$gt' => 33)));SELECT * FROM users WHERE age<33$db->users->find(array("age" => array('$lt' => 33)));SELECT * FROM users WHERE name LIKE "%Joe%"$db->users->find(array("name" => new MongoRegex("/Joe/")));SELECT * FROM users WHERE name LIKE "Joe%"$db->users->find(array("name" => new MongoRegex("/^Joe/")));SELECT * FROM users WHERE age>33 AND age<=40$db->users->find(array("age" => array('$gt' => 33, '$lte' => 40)));SELECT * FROM users ORDER BY name DESC

http://php.net/manual/en/mongo.sqltomongo.php

SQL to Mongo Queries

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Admin Interfaces

- Genghis

- RockMongo

- php-mongodb-admin

http://genghisapp.com/

http://code.google.com/p/rock-php/wiki/rock_mongo

https://github.com/jwage/php-mongodb-admin

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- Doctrine ODM

- Mandango

- many more...

PHP Libraries

Doctrine MongoDB Object Document Mapper is built for PHP 5.3.2+ and provides transparent persistence for PHP objects.

Mandango is a simple, poweful and ultrafast Object Document Mapper (ODM) for PHP and MongoDB.

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Doctrine MongoDB ODM

http://doctrine-project.org

Doctrine MongoDB Object Document Mapper is built for PHP 5.3.2+ and provides transparent

persistence for PHP objects.

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/** @Document */class User{ /** @Id */ private $id;

/** @String */ private $name;

/** @String */ private $email;

/** @ReferenceMany(targetDocument="BlogPost", cascade="all") */ private $posts;

// ...}

Doctrine MongoDB ODM

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/** @Document */class BlogPost{ /** @Id */ private $id;

/** @String */ private $title;

/** @String */ private $body;

/** @Date */ private $createdAt;

// ...}

Doctrine MongoDB ODM

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<?php

// create user$user = new User();$user->setName('Bulat S.');$user->setEmail('email@example.com');

// tell Doctrine 2 to save $user on the next flush()$dm->persist($user);

// create blog post$post = new BlogPost();$post->setTitle('My First Blog Post');$post->setBody('MongoDB + Doctrine 2 ODM = awesomeness!');$post->setCreatedAt(new DateTime());

$user->addPost($post);

// store everything to MongoDB$dm->flush();

Doctrine MongoDB ODM

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Array( [_id] => 4bec5869fdc212081d000000 [title] => My First Blog Post [body] => MongoDB + Doctrine 2 ODM = awesomeness! [createdAt] => MongoDate Object ( [sec] => 1273723200 [usec] => 0 ))

Doctrine MongoDB ODM

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Array( [_id] => 4bec5869fdc212081d010000 [name] => Bulat S. [email] => email@example.com [posts] => Array ( [0] => Array ( [$ref] => blog_posts [$id] => 4bec5869fdc212081d000000 [$db] => test_database ) ))

Doctrine MongoDB ODM

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$user = $dm->find('User', $userId);

$user = $dm->getRepository('User')->findOneByName('Bulat S.');

$posts = $user->getPosts();foreach ($posts as $post) { echo $post;}

Doctrine MongoDB ODMRetrieving Persisted Objects

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// src/YourNamespace/YourBundle/ServerRepository.phpnamespace YourNamespace\YourBundle;

use Doctrine\ODM\MongoDB\DocumentRepository;

class ServerRepository extends DocumentRepository{ public function getActiveServers() { return $this->createQueryBuilder() ->field('isActive')->equals(true) ->sort('name', 'asc')->getQuery()->execute(); }

Document Repositories

$rep = $dm->getRepository(‘@YourBundle/Server’);$servers = $rep->getActiveServers();

Usage

Doctrine MongoDB ODM

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/** @Document */class Image{ /** @Id */ private $id;

/** @Field */ private $name;

/** @File */ private $file;

Doctrine MongoDB ODM

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// store file$image = new Image();$image->setName('Test image');$image->setFile('/path/to/image.png');

$dm->persist($image);$dm->flush();

// retrieve and return file to client$image = $dm->createQueryBuilder('Documents\Image') ->field('name')->equals('Test image') ->getQuery() ->getSingleResult();

header('Content-type: image/png;');echo $image->getFile()->getBytes();

Doctrine MongoDB ODM

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// Eager ID creation

public function __construct(){ $this->id = (string) new \MongoId();}

Tips: Doctrine MongoDB ODM

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// Creation date

public function __construct(){ $this->id = (string) new \MongoId(); $this->createdDt = new \DateTime();}

Tips: Doctrine MongoDB ODM

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// ArrayCollections

public function __construct(){ $this->id = (string) new \MongoId(); $this->createdDt = new \DateTime(); $this->entries = new ArrayCollection();}

Tips: Doctrine MongoDB ODM

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// Space Saving

/** @String(name=”n”) */ private $name;

/** @String(name=”e”) */ private $email;

Tips: Doctrine MongoDB ODM

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Symfony is a PHP Web Development Framework.

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“First, Symfony2 is a reusable set of standalone, decoupled, and cohesive PHP components that solve common web

development problems.Then, based on these components, Symfony2 is also a

full-stack web framework.”

http://fabien.potencier.org/article/49/what-is-symfony2

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25 High Quality Components

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• DependencyInjection• EventDispatcher• HttpFoundation• DomCrawler• ClassLoader• CssSelector• HttpKernel• BrowserKit• Templating• Translation• Serializer

All of them at GitHub: http://github.com/symfony

• Serializer• Validator • Security • Routing • Console • Process • Config • Finder • Locale • Yaml• Form• More...

Symfony 2 Components

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http://symfony.com/doc/current/components/index.html

http://fabien.potencier.org/

Components Documentation

Blog post series about creating a framework based on the Symfony2 Components

Symfony 2 Components

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• Rewritten from scratch for PHP 5.3• Based on the HTTP specification• Very stable and solid API • Extensible through the creation of Bundles (replacement for

sf1 plugins)• Flexible configuration using YAML, XML, annotations or

PHP • All configuration is compiled to PHP code and cached• Lots of unit tests• Source code audited by independent security firm thanks to

donations of the Symfony Community

Symfony 2 Highlights

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• Extensible Configuration with Service Container/Dependency Injection

• Complete redesign of Forms support• Validations• Extensible Security with Authentication/Authorization • Advanced and powerful templating through Twig• Routes configured with YAML, XML or Annotations• ESI Caching support out of the box• Assets management with Assetic• Translations• Environments

HighlightsSymfony 2

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• 698 developers contributed to Symfony2• 7000+ pull requests• 969 1901 bundles at knpbundles.com• Very active IRC and mailing lists support channels

• Community Gamification through SensioLabs Connect

• Symfony2 Ecosystem

Highlights: CommunitySymfony 2

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Highlights: BundlesSymfony 2

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http://symfony.com/download

Getting StartedSymfony 2

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or

tar zxf Symfony_Standard_Vendors_2.2.0.tgz

unzip Symfony_Standard_Vendors_2.2.0.zip

Getting StartedSymfony 2

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$ curl -s https://getcomposer.org/installer | php

$ php composer.phar create-project \symfony/framework-standard-edition path/ 2.2.0

http://getcomposer.org/

Getting Started with ComposerSymfony 2

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Distributions

http://symfony.com/distributions

A Symfony distribution is made up of Symfony2 components, a selection of bundles,

a directory structure, a default configuration.

Getting StartedSymfony 2

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http://symfony.com/distributions

Symfony Standard Distribution

• Directory structure• Default configuration• Bundles⁃ DoctrineBundle⁃ JMSSecurityExtraBundle⁃ SensioDistributionBundle⁃ SensioFrameworkExtraBundle⁃ SensioGeneratorBundle⁃ AsseticBundle

Getting StartedSymfony 2

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Getting StartedSymfony 2

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Getting StartedSymfony 2

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Symfony 2 Directory Structure

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Symfony 2 Directory Structure

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Symfony 2 Directory Structure

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Symfony 2 Directory Structure

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Configuration: app/config.ymlSymfony 2

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Configuration: app/parameters.iniSymfony 2

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Configuration: app/config_dev.ymlSymfony 2

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Browser

Bootstrap (app.php)

Controller

Template Response

Request

Want to know more? Go to Raul Fraile’s Symfony2 Internals Talk

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Bootstrap (app.php)

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Bootstrap File - web/app.phpSymfony 2

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Controllers

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ControllersSymfony 2

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Controllers

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Templates

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Templating / Twig

{# comments are not rendered #}

{# multi-line comments! {{ var }}#}

Comments:

Output variables: {{ var }}{{ var | upper }}{{ var | raw }}{{ object.property }}{{ true ? ‘yes’ : ‘no’ }}

http://twig.sensiolabs.org/

Symfony 2

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{% set var = ‘hello’ %}{% set foo = var ~ ’ and goodbye’ %}

{% if foo is ‘bar’ %}...

{% else %}...

{% endif %}

Blocks:

Symfony 2 Templating / Twig

http://twig.sensiolabs.org/Sunday, March 3, 13

{% for key, val in list %}

{{ loop.index }}. {{ val }}

{% else %}

No keys.

{% endfor %}

Blocks:

Symfony 2 Templating / Twig

http://twig.sensiolabs.org/Sunday, March 3, 13

{% include “Bundle:Demo:template.html.twig” %}Include:

Render:{% render “Bundle:Demo:action” %}

Extends:{% extends "Bundle::layout.html.twig" %}

Symfony 2 Templating / Twig

http://twig.sensiolabs.org/Sunday, March 3, 13

Awesome Twig Presentations

http://slideshare.net/weaverryan/being-dangerous-with-twig-symfony-live-paris

http://www.slideshare.net/fabpot/twig-the-flexible-fast-and-securetemplate-language-for-php

http://www.slideshare.net/javier.eguiluz/twig-avanzado-sf2vigo (Spanish)

Twig avanzado - Javier Eguiluz

Being Dangerous with Twig - Ryan Weaver

Twig, The Flexible, Fast and Secure Template Language for PHP - Fabien Potencier

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layout.html.twigSymfony 2

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index.html.twigSymfony 2

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Symfony 2 index.html.twig

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Bundles

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Bundles

Everything in Symfony2 is contained in Bundles

Symfony 2

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Even Symfony2 is a collection of Bundles

BundlesSymfony 2

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Directory StructureSymfony 2

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Bundles Registration app/AppKernel.php

Symfony 2

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- DoctrineMongoDBBundle

- MandangoBundle

Bundles for MongoDBSymfony 2

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Installation with Composer

{ require": { "doctrine/mongodb-odm-bundle": "3.0.*" }, "minimum-stability": "dev"}

$ php composer.phar update

composer.json

Installing DoctrineMongoDBBundleSymfony 2

$ php composer.phar install doctrine/mongodb-odm-bundle

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Installation with Composer

$ php composer.phar require \ doctrine/mongodb-odm-bundle:3.0.*

Installing DoctrineMongoDBBundleSymfony 2

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// app/autoload.phpuse Doctrine\ODM\MongoDB\Mapping\Driver\AnnotationDriver;AnnotationDriver::registerAnnotationClasses();

app/autoload.php

Symfony 2Configuring DoctrineMongoDBBundle

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doctrine_mongodb: connections: default: server: mongodb://localhost:27017 options: connect: true default_database: test_database document_managers: default: auto_mapping: true

app/config/config.yml

Configuring DoctrineMongoDBBundleSymfony 2

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doctrine_mongodb: connections: default: server: mongodb://localhost:27017 options: connect: true

usage: server: mongodb://user:pass@db1.mongohosting.com:27017 options: replicaSet: true connect: true default_database: test_database document_managers: default: mappings: SGCBundle: ~ SGCRepositoryAppBundle: yml MyBundle: { type: xml, dir: Resources/config/doctrine/mapping }

Multiple Connections & Bundle MappingsSymfony 2

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Defining DocumentsSymfony 2

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// src/Acme/StoreBundle/Document/Product.phpnamespace Acme\StoreBundle\Document;

use Doctrine\ODM\MongoDB\Mapping\Annotations as MongoDB;

/** * @MongoDB\Document(collection="product") */class Product{ /** * @MongoDB\Id */ protected $id;

/** * @MongoDB\String @MongoDB\Index(unique=true, order="asc") */ protected $name;

Defining DocumentsSymfony 2

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// src/Acme/StoreBundle/Controller/DefaultController.phpuse Acme\StoreBundle\Document\Product;use Symfony\Component\HttpFoundation\Response;// ...

public function createAction(){ $product = new Product(); $product->setName('A Foo Bar'); $product->setPrice('19.99');

$dm = $this->get('doctrine_mongodb')->getManager(); $dm->persist($product); $dm->flush();

return new Response('Created product id '.$product->getId());}

Using DocumentsSymfony 2

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public function createAction(){ $dm = $this->get('doctrine_mongodb')->getManager();

$form = $this->createForm(new RegistrationType(), new Registration());

$form->bindRequest($this->getRequest());

if ($form->isValid()) { $registration = $form->getData();

$dm->persist($registration->getUser()); $dm->flush();

return $this->redirect(...); }

http://symfony.com/doc/master/bundles/DoctrineMongoDBBundle/form.html

FormsSymfony 2Since Documents are Plain PHP Objects integrating it with Symfony Forms is straightforward.

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Symfony2 Commandsdoctrine doctrine:mongodb:cache:clear-metadata Clear all metadata cache for a document manager. doctrine:mongodb:fixtures:load Load data fixtures to your database. doctrine:mongodb:generate:documents Generate document classes and method stubs from your mapping information. doctrine:mongodb:generate:hydrators Generates hydrator classes for document classes. doctrine:mongodb:generate:proxies Generates proxy classes for document classes. doctrine:mongodb:generate:repositories Generate repository classes from your mapping information. doctrine:mongodb:mapping:info Show basic information about all mapped documents. doctrine:mongodb:query Query mongodb and inspect the outputted results from your document classes. doctrine:mongodb:schema:create Allows you to create databases, collections and indexes for your documents doctrine:mongodb:schema:drop Allows you to drop databases, collections and indexes for your documents

ODM CommandsSymfony 2

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app/config/config.yml

TIP: Storing Symfony Sessions in MongoDB

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TIP: Mixing Doctrine ODM & ORM

http://docs.doctrine-project.org/projects/doctrine-mongodb-odm/en/latest/cookbook/blending-orm-and-

mongodb-odm.html

OrderEntity (ORM)

ProductDocument (ODM)

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TIP: Persisting objects with ODM or ORM<?php

namespace Doctrine\Blog;

/** @Entity(repositoryClass="Doctrine\Blog\ORM\BlogPostRepository") */class BlogPost{ /** @Id @Column(type="integer") */ private $id;

/** @Column(type="string") */ private $title;

/** @Column(type="text") */ private $body;

// ...}

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TIP: Persisting objects with ODM or ORM<?php

namespace Documents;

/** @Document(repositoryClass="Doctrine\Blog\ODM\MongoDB\BlogPostRepository") */class BlogPost{ /** @Id */ private $id;

/** @Field(type="string") */ private $title;

/** @Field(type="string") */ private $body;

// ...}

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- SonataDoctrineMongoDBAdminBundle

- IsmaAmbrosiGeneratorBundle

- TranslationEditorBundle

- ServerGroveLiveChat

Bundles using MongoDBSymfony 2

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- http://php.net/mongo

- http://docs.mongodb.org/manual/

- http://symfony.com/doc/current/index.html

- http://www.doctrine-project.org/docs/mongodb-odm

Additional Resources

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Questions?

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Thank you!

Rate Me Please! https://joind.in/8211 Slides: http://slideshare.net/pgodel

Twitter: @pgodelE-mail: pablo@servergrove.com

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