Codeinator
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CodeIgniter is an open source PHP web application framework that uses the model-view-controller (MVC) architectural pattern. It provides features like a lightweight and fast system, clear documentation, and a friendly community of users. The framework includes libraries and helpers for common tasks like databases, forms, URLs, and more. Controllers handle requests and interact with models to retrieve and work with data, and views are used to display the data to the user.
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Codeinator
- 3. Disclaimer: This presentation is prepared by trainees of baabtra.com as a part of mentoring program. This is not official document of baabtra.com – Mentoring Partner
- 4. What is CodeIgninter • CodeIgniter is an Application Development Framework - a toolkit - for people who build web sites using PHP. • CodeIgniter is open source. • Was built by EllisLab. • The first public version of CodeIgniter was released on February 28, 2006.
- 5. Features • Runs on PHP 4 • Light Weight • Fast • Uses M-V-C • Clean URLs • Packs a Punch • Extensible • Friendly Community of Users • Thoroughly Documented
- 6. MVC model
- 8. Advantage of Co…. • Helpers and libraries. • Support PHP 4 or PHP. • Exceptional performance. • Lightweight. • Very fast. • Clear document
- 9. Overview CI framwork Controller (The Controller is the C in MVC. The base controller is a simple abstract class that defines the structure of all controllers.) • <?php • class First extends Controller{ • function First() { • parent::Controller(); • } • function index() { • echo “<h1> Hello CUET !! </h1> “; • } • } • ?> • // Output Will be “Hello CUET!!”
- 10. View • A Webpage or A page Fragment • Should be placed under “application/views” • Never Called Directly • web_root/myci/system/application/views/m yview.php
- 11. Calling a veiw from controller • $this->load->view(‘myview’); • Data passing from controller • function index() { • $var = array( • ‘full_name’ => ‘Amzad Hossain’, • ‘email’ => ‘tohi1000@yahoo.com’ • ); • $this->load->view(‘myview’, $var); • } • ……………………………………………………………………………………………………………………………. • <html> • <title> ..::Personal Info::.. </title> • <body> • Full Name : <?php echo $full_name;?> <br /> • E-mail : <?=email;?> <br /> • </body> • </html>
- 12. Models Designed to work with Information of Database Models Should be placed Under “application/models/”
- 13. example • <?php • class Mymodel extend Model{ • function Mymodel() { • parent::Model(); • } • function get_info() { • $query = $this->db->get(‘name’, 10); • /*Using ActiveRecord*/ • return $query->result(); • } • } • ?>
- 14. Loading a Model inside a Controller $this->load->model(‘mymodel’); $data = $this->mymodel->get_info();
- 16. Loading co… library • $this->load->library(‘database’); Database Library Abstract Database Class support traditional structures and Active Record Pattern. • function index() { • $this->load->library(‘database’); • $rslt = $this->db->query(“select first_name from user_name”); • foreach( $rslt->result() as $row_data) • echo $row_data->first_name . “<br />”; • }
- 17. Helpers Simply a collection of functions in a particular category.
- 18. Loading A Helper Inside a Controller • $this->load->helper(‘helper_name’); • $this->load->helper(array(‘form’,’url’) );
- 19. Helpers Form Helper form_open() form_open_multipart() form_input() form_textarea() form_checkbox() form_submit() form_close() URL Helper site_url() base_url() anchor() anchor_popup() mailto()
- 21. Want to learn more about programming or Looking to become a good programmer? Are you wasting time on searching so many contents online? Do you want to learn things quickly? Tired of spending huge amount of money to become a Software professional? Do an online course @ baabtra.com We put industry standards to practice. Our structured, activity based courses are so designed to make a quick, good software professional out of anybody who holds a passion for coding.
- 22. Follow us @ twitter.com/baabtra Like us @ facebook.com/baabtra Subscribe to us @ youtube.com/baabtra Become a follower @ slideshare.net/BaabtraMentoringPartner Connect to us @ in.linkedin.com/in/baabtra Give a feedback @ massbaab.com/baabtra Thanks in advance www.baabtra.com | www.massbaab.com |www.baabte.com
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