Introduction to ELGG, the Open Source Social Network Platform
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The document provides an overview of Elgg, an open source social networking platform built using LAMP (Linux, Apache, MySQL, PHP). It discusses Elgg's components, features, data model, events, views, plugins, and provides examples of creating a simple blog plugin and displaying a blog. Business opportunities with Elgg are also mentioned, such as for education, social intranets, and custom social networks.
![An Introduction to www.mobicules.com [email_address]](https://image.slidesharecdn.com/introduction-to-elgg-1224395615749768-9/85/Introduction-to-ELGG-the-Open-Source-Social-Network-Platform-1-320.jpg)
![Creating a Simple Blog Plugin Create Form Create Object View <h1><?php echo $vars['entity']->title; ?></h1> <p><?php echo $vars['entity']->body; ?></p> <?php echo elgg_view('output/tags', array('tags' => $vars['entity']->tags)); ?> <form action="<?php echo $vars['url']; ?>action/blog/save" method="post"> <?php echo elgg_echo("title"); ?><br /> <?php echo elgg_view('input/text',array('internalname' => 'title')); ?> <?php echo elgg_echo("body"); ?><br /> <?php echo elgg_view('input/longtext',array('internalname' => 'body')); ?> <p><?php echo elgg_echo("tags"); ?><br /> <?php echo elgg_view('input/tags',array('internalname' => 'tags')); ?></p> <p><input type="submit" value="<?php echo elgg_echo('save'); ?>" /></p> </form>](https://image.slidesharecdn.com/introduction-to-elgg-1224395615749768-9/85/Introduction-to-ELGG-the-Open-Source-Social-Network-Platform-10-320.jpg)
![Contd… Create Save File $blogpost = new ElggObject(); $blogpost->title = get_input('title'); $blogpost->description = $description; $blogpost->access_id = ACCESS_PUBLIC; $blogpost->owner_guid = $_SESSION['user']->getGUID(); $blogpost->save(); $blogpost->tags = string_to_tag_array(get_input('tags')); forward($blogpost->getURL()); Display Blog require_once(dirname(dirname(dirname(__FILE__))).engine/start.php"); $body = list_entities('object','blog',0,10,false); $body = elgg_view_layout('one_column', $body); page_draw("Our Blog",$body);](https://image.slidesharecdn.com/introduction-to-elgg-1224395615749768-9/85/Introduction-to-ELGG-the-Open-Source-Social-Network-Platform-11-320.jpg)
Introduction to ELGG, the Open Source Social Network Platform
- 1. An Introduction to www.mobicules.com [email_address]
- 2. What is Elgg ? Elgg built on LAMP and is open source Roll out your own social network Bundles social networking components Building on Elgg is easy
- 3. Components Pages RSS Files Tags Comment Blog Messages Widgets Friends/Groups Forum
- 4. Features Advanced user management and administration Cross-site tagging Powerful access control list Internationalization support Multiple view support (eg. cell phone, iPhone) Advanced templating engine Widget framework Opensocial support
- 7. Events Events triggered when certain things happen User Action Callbacks Special Events (Boot, Init) Hook has to be registered to handle the specific events register_elgg_event_handler('init','system','entities_init');
- 8. Views Elgg site can support different interface pages Standard HTML HTML optimised for accessibility Mobile Internet iPhone Embeddable widget
- 9. Plugins Most of the end user functionality in Elgg comes from plugins Plugins reside under /mod folder start.php : control hub of a plugin Register plugin inside Elgg init event register_elgg_event_handler('init','system','entities_init');
- 10. Creating a Simple Blog Plugin Create Form Create Object View <h1><?php echo $vars['entity']->title; ?></h1> <p><?php echo $vars['entity']->body; ?></p> <?php echo elgg_view('output/tags', array('tags' => $vars['entity']->tags)); ?> <form action="<?php echo $vars['url']; ?>action/blog/save" method="post"> <?php echo elgg_echo("title"); ?><br /> <?php echo elgg_view('input/text',array('internalname' => 'title')); ?> <?php echo elgg_echo("body"); ?><br /> <?php echo elgg_view('input/longtext',array('internalname' => 'body')); ?> <p><?php echo elgg_echo("tags"); ?><br /> <?php echo elgg_view('input/tags',array('internalname' => 'tags')); ?></p> <p><input type="submit" value="<?php echo elgg_echo('save'); ?>" /></p> </form>
- 11. Contd… Create Save File $blogpost = new ElggObject(); $blogpost->title = get_input('title'); $blogpost->description = $description; $blogpost->access_id = ACCESS_PUBLIC; $blogpost->owner_guid = $_SESSION['user']->getGUID(); $blogpost->save(); $blogpost->tags = string_to_tag_array(get_input('tags')); forward($blogpost->getURL()); Display Blog require_once(dirname(dirname(dirname(__FILE__))).engine/start.php"); $body = list_entities('object','blog',0,10,false); $body = elgg_view_layout('one_column', $body); page_draw("Our Blog",$body);
- 12. Business Opportunities in Elgg Education (Social E-learning) Universities Schools Social Intranet for organizations Employee activities Knowledge base Company events Custom Social Networks
- 13. Profile
- 14. Groups
- 15. Dashboard
- 16. Files
- 17. Thanks