How to Build Your Own Social Network with Elgg?

Jaakko Naakka Intunex Ltd. www.intunex.fi @naakka How to Build Your Own Social Network? Custom made social networking with Elgg - A technical perspective

I really like the idea of Facebook and Twitter , but I need more privacy . How can I build a private social networking site?

I want to build a public social community with thousands of users. Is that possible?

It sure is! It's been done already ,[object Object]

What is Elgg? ,[object Object],[object Object],[object Object],[object Object]

Still not convinced? Here's some more details why Elgg rocks...

Elgg Highlights in TLA's ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],OMG!

Elgg is an easily extendable platform to build your custom social networking site

Extendability ,[object Object],[object Object],[object Object],[object Object],[object Object]

Lets take a closer look at the plugins

Plugins can add new features to Elgg Elgg Core Blog User profile Groups Plugin Plugin Plugin

Plugins can modify Elgg core features Elgg Core Blog Groups Email validation Plugin Plugin User profile Plugin Plugin

Plugins can modify other plugins Groups Elgg Core Blog Group members Plugin Plugin User profile Plugin Email validation Plugin Plugin

You can do practically anything without modifying Elgg core or losing upgradeability

Ways to Extend and Modify Elgg ,[object Object],[object Object],[object Object]

Elgg is built on MVC architecture ,[object Object],[object Object],[object Object],[object Object],[object Object]

Actions and page handlers ,[object Object],[object Object],[object Object]

Events and plugin hooks ,[object Object],[object Object],[object Object],[object Object],[object Object]

What about the database and saving data?

Elgg Datamodel ,[object Object],[object Object],[object Object],[object Object]

[object Object],Example, saving a blog post // Get the form input $title = get_input('title'); $body = get_input('body'); // Create a new blog post object $blogpost = new ElggObject(); $blogpost->title = $title; $blogpost->description = $body; $blogpost->subtype = "blogpost"; // Save to database. // This is where the magic happens ! $blogpost->save();

Cool! What about reading the database?

Example, reading the database ,[object Object],$options = array( 'type' => 'object', 'subtype' => 'blogpost', 'limit' => 10 ); $blogposts = elgg_get_entities($options);

That sounds cool! Where do I start?

Elgg Community ,[object Object],[object Object],[object Object],[object Object]

Need something custom made? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How to Build Your Own Social Network with Elgg?

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