Introduction to CodeIgniter (RefreshAugusta, 20 May 2009)

Introduction to 20 May 2009

 Open Source PHP Framework <?php $this->load->view(‘about’);

 Open Source PHP Framework  Free (as in beer / as in rights) <?php $this->load->view(‘about’);

 Open Source PHP Framework  Free (as in beer / as in rights)  The “guts” of ExpressionEngine 2 <?php $this->load->view(‘about’);

 Open Source PHP Framework  Free (as in beer / as in rights)  The “guts” of ExpressionEngine 2  Backed by bootstrapped company <?php $this->load->view(‘about’);

 ‘01: Rick Ellis develops pMachine <?php $this->load->model(‘event’); $data[‘events’] = $this->event->get_all(); $this->load->view(‘history’, $data);

 ‘01: Rick Ellis develops pMachine  ‘02: pMachine publicly released <?php $this->load->model(‘event’); $data[‘events’] = $this->event->get_all(); $this->load->view(‘history’, $data);

 ‘01: Rick Ellis develops pMachine  ‘02: pMachine publicly released  ‘04: ExpressionEngine released <?php $this->load->model(‘event’); $data[‘events’] = $this->event->get_all(); $this->load->view(‘history’, $data);

 ‘01: Rick Ellis develops pMachine  ‘02: pMachine publicly released  ‘04: ExpressionEngine released  ‘06: CodeIgniter released <?php $this->load->model(‘event’); $data[‘events’] = $this->event->get_all(); $this->load->view(‘history’, $data);

 ‘01: Rick Ellis develops pMachine  ‘02: pMachine publicly released  ‘04: ExpressionEngine released  ‘06: CodeIgniter released  ’08: ExpressionEngine 2 demoed at SXSW <?php $this->load->model(‘event’); $data[‘events’] = $this->event->get_all(); $this->load->view(‘history’, $data);

 Small footprint 10.5x 2.9x <?php $this->load->model(‘feature’); $data[‘features’] = $this->feature->get_all(); $this->load->view(‘features’, $data);

 Small footprint  PHP 4 compatible <?php $this->load->model(‘feature’); $data[‘features’] = $this->feature->get_all(); $this->load->view(‘features’, $data);

 Small footprint  PHP 4 compatible  Database abstraction layer <?php $this->load->model(‘feature’); $data[‘features’] = $this->feature->get_all(); $this->load->view(‘features’, $data);

 Small footprint  PHP 4 compatible  Database abstraction layer  Global XSS filtering <?php $this->load->model(‘feature’); $data[‘features’] = $this->feature->get_all(); $this->load->view(‘features’, $data);

 Small footprint  PHP 4 compatible  Database abstraction layer  Global XSS filtering  SEO friendly URLs example.com/controller/method/var1/var2 <?php $this->load->model(‘feature’); $data[‘features’] = $this->feature->get_all(); $this->load->view(‘features’, $data);

 Small footprint  PHP 4 compatible  Database abstraction layer  Global XSS filtering  SEO friendly URLs  Infinitely extensible <?php $this->load->model(‘feature’); $data[‘features’] = $this->feature->get_all(); $this->load->view(‘features’, $data);

Rasmus Lerdorf Creator of PHP Infrastructure Architect, Yahoo

<?php class Post extends Model { function Post() { parent::Model(); } function get_all() { $this->db->order_by(‘postdate’, ‘DESC’); $query = $this->db->get(‘posts’, 10, 0); if ($query->num_rows() > 0) { return $query->result(); } return FALSE; } }

<?php class Posts extends Controller { function Posts() { parent::Controller(); } function index() { $this->load->model(‘post’); $data[‘posts’] = $this->post->get_all(); $this->load->view(‘home’, $data); } }

<!-– html, head, body tag --> <?php foreach($posts as $p): ?> <div class=‚post‛> <h2><?php echo $p->title; ?></h2> <div class=‚excerpt‛> <?php echo $p->excerpt; ?> </div> <p><?php echo anchor($p->id, ‘Read More’); ?></p> </div> <?php endforeach; ?>

<!-– html, head, body tag --> <?php foreach($posts as $p): ?> <div class=‚post‛> <h2><?php echo $p->title; ?></h2> <div class=‚excerpt‛> <?php echo $p->excerpt; ?> </div> <p><?php echo anchor($p->slug, ‘Read More’); ?></p> </div> <?php endforeach; ?>  example.com/refreshaugust-may-2009

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Introduction to CodeIgniter (RefreshAugusta, 20 May 2009)

by Michael Wales

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