CodeIgniter framework Tutorial

CodeIgniter a very popular and powerful MVC framework which is used to develop web applications. It is a free and Open source PHP framework.

What You Should Already Know

Before you continue you should have a basic understanding of the following:

1. HTML
2. PHP

History

CodeIgniter was created by EllisLab, and is now a project of the British Columbia Institute of Technology.

The latest version of CodeIgniter framework is 3.1.5.

License

The source code of CodeIgniter is hosted on GitHub and licensed under the terms of MIT License.

As it is open source software, you are permitted to copy, modify and distribute this software and its documentation for any purpose under following conditions.

Read More

CodeIgniter framework Tutorial

CodeIgniter a very popular and powerful MVC framework which is used to develop web applications. It is a free and Open source PHP framework.

What You Should Already Know

Before you continue you should have a basic understanding of the following:

1. HTML
2. PHP

History

CodeIgniter was created by EllisLab, and is now a project of the British Columbia Institute of Technology.

The latest version of CodeIgniter framework is 3.1.5.

License

The source code of CodeIgniter is hosted on GitHub and licensed under the terms of MIT License.

As it is open source software, you are permitted to copy, modify and distribute this software and its documentation for any purpose under following conditions.

Read More

Show the data in front end user

<footer class="re-footer-section">
<?php 
$rest = $this->db->where('id','1')->get('site_settings')->row();
?>


Note: if you have contact page and you want to show the data other page in contect page then  you use upper code then your data show in all pages 

Read More

Show the data in front end user

<footer class="re-footer-section">
<?php 
$rest = $this->db->where('id','1')->get('site_settings')->row();
?>


Note: if you have contact page and you want to show the data other page in contect page then  you use upper code then your data show in all pages 

Read More

insert the data in codeigniter with database very simple way

database Name : contact 

View file name : contact 


 Mode.php

public function insertdata($data)
{
$data= array
(
'name'=>$this->input->post('name'),
'email'=>$this->input->post('email'),
'subject'=>$this->input->post('subject'),
'message'=>$this->input->post('message'),
);
$datas = $this->db->insert('contact',$data);

}


Controller.php

public function contact() 
  {
  if($this->input->post('submit') == 'Send' ){
    $data= array(
'name'=>$this->input->post('name'),
'email'=>$this->input->post('email'),
'subject'=>$this->input->post('subject'),
'message'=>$this->input->post('message')
);
      $data = $this->home_model->insertdata($data);
    }

    $data['menu'] = $this->admin_model->get_menu();
    $this->load->view('frontuser/contact',$data);
  }

Read More

insert the data in codeigniter with database very simple way

database Name : contact 

View file name : contact 


 Mode.php

public function insertdata($data)
{
$data= array
(
'name'=>$this->input->post('name'),
'email'=>$this->input->post('email'),
'subject'=>$this->input->post('subject'),
'message'=>$this->input->post('message'),
);
$datas = $this->db->insert('contact',$data);

}


Controller.php

public function contact() 
  {
  if($this->input->post('submit') == 'Send' ){
    $data= array(
'name'=>$this->input->post('name'),
'email'=>$this->input->post('email'),
'subject'=>$this->input->post('subject'),
'message'=>$this->input->post('message')
);
      $data = $this->home_model->insertdata($data);
    }

    $data['menu'] = $this->admin_model->get_menu();
    $this->load->view('frontuser/contact',$data);
  }

Read More

Image Upload in Database Codeigniter Very Simple Way

Controller.php
public function update_account_setting()
{

$id = $this->session->userdata('uid');

        $config['upload_path']   = './uploads/';
$config['allowed_types'] = 'gif|jpg|jpeg|png';
      $this->load->library('upload', $config);
      $this->upload->initialize($config);
      if(!$this->upload->do_upload('site_logo')){
      $error = array('error' => $this->upload->display_errors());
      }
      else
      {
        $data = array('upload_data' => $this->upload->data());
              $site_logo['site_logo'] = $data['upload_data']['file_name'];
              $this->admin_model->update_account_setting($id,$site_logo);
      }
      if(!$this->upload->do_upload('site_favicon')){
      $error = array('error' => $this->upload->display_errors());
      //print_r($error);die;
      }
      else
      {
        $data = array('upload_data' => $this->upload->data());
              $site_favicon['site_favicon'] = $data['upload_data']['file_name'];
              $this->admin_model->update_account_setting($id,$site_favicon);
      }
      $data = array
(
'sitename'=>$this->input->post('sitename'),
'baseurl'=>$this->input->post('baseurl'),
'conatct_address'=>$this->input->post('conatct_address'),
'contact_number'=>$this->input->post('contact_number'),
'contact_email'=>$this->input->post('contact_email'),
'smtp_hostname'=>$this->input->post('smtp_hostname'),
'smtp_username'=>$this->input->post('smtp_username'),
'smtp_password'=>$this->input->post('smtp_password'),
'smtp_port'=>$this->input->post('smtp_port'),
'cod_enable'=>$this->input->post('cod_enable'),
'payu_merchant'=>$this->input->post('payu_merchant'),
'payu_salt'=>$this->input->post('payu_salt'),
'payu_action'=>$this->input->post('payu_action'),
);
$this->load->model('admin_model');
$data ['rest'] = $this->admin_model->update_account_setting($id,$data);
if(validation_errors() != false)
{
    $this->session->set_flashdata('error_message','Data Unsuccessful Updated.');
redirect('admin/account_setting');
      }
      else
      {
      $this->session->set_flashdata('message_name','Data Updated.');
redirect('admin/account_setting');
      }

}
Admin_Model;php
public function update_account_setting($id,$data)
{

         $this->db->where('id',$id);
$statement = $this->db->update('site_settings',$data);

        if($statement)
        {
            return  'true';
        }
         else
        {
          return 'false';
        }   

}
x

Read More

Image Upload in Database Codeigniter Very Simple Way

Controller.php
public function update_account_setting()
{

$id = $this->session->userdata('uid');

        $config['upload_path']   = './uploads/';
$config['allowed_types'] = 'gif|jpg|jpeg|png';
      $this->load->library('upload', $config);
      $this->upload->initialize($config);
      if(!$this->upload->do_upload('site_logo')){
      $error = array('error' => $this->upload->display_errors());
      }
      else
      {
        $data = array('upload_data' => $this->upload->data());
              $site_logo['site_logo'] = $data['upload_data']['file_name'];
              $this->admin_model->update_account_setting($id,$site_logo);
      }
      if(!$this->upload->do_upload('site_favicon')){
      $error = array('error' => $this->upload->display_errors());
      //print_r($error);die;
      }
      else
      {
        $data = array('upload_data' => $this->upload->data());
              $site_favicon['site_favicon'] = $data['upload_data']['file_name'];
              $this->admin_model->update_account_setting($id,$site_favicon);
      }
      $data = array
(
'sitename'=>$this->input->post('sitename'),
'baseurl'=>$this->input->post('baseurl'),
'conatct_address'=>$this->input->post('conatct_address'),
'contact_number'=>$this->input->post('contact_number'),
'contact_email'=>$this->input->post('contact_email'),
'smtp_hostname'=>$this->input->post('smtp_hostname'),
'smtp_username'=>$this->input->post('smtp_username'),
'smtp_password'=>$this->input->post('smtp_password'),
'smtp_port'=>$this->input->post('smtp_port'),
'cod_enable'=>$this->input->post('cod_enable'),
'payu_merchant'=>$this->input->post('payu_merchant'),
'payu_salt'=>$this->input->post('payu_salt'),
'payu_action'=>$this->input->post('payu_action'),
);
$this->load->model('admin_model');
$data ['rest'] = $this->admin_model->update_account_setting($id,$data);
if(validation_errors() != false)
{
    $this->session->set_flashdata('error_message','Data Unsuccessful Updated.');
redirect('admin/account_setting');
      }
      else
      {
      $this->session->set_flashdata('message_name','Data Updated.');
redirect('admin/account_setting');
      }

}
Admin_Model;php
public function update_account_setting($id,$data)
{

         $this->db->where('id',$id);
$statement = $this->db->update('site_settings',$data);

        if($statement)
        {
            return  'true';
        }
         else
        {
          return 'false';
        }   

}
x

Read More

CodeIgniter Form Validation – Setting Rules, Setting Error Messages and Repopulating Form

ViewFile.
<?php if($this->session->flashdata("message_name")): ?>
<div class="alert alert-success" name="message_name">
              <?php echo $this->session->flashdata("message_name"); ?>
</div>              
    <?php endif; ?>


Controller:

$data ['rest'] = $this->admin_model->update_account_setting($id,$data);

if(validation_errors() != false) 
{
    $this->session->set_flashdata('error_message','Data Unsuccessful Updated.');
redirect('admin/account_setting');
      }
      else
      {
      $this->session->set_flashdata('message_name','Data Updated.');
redirect('admin/account_setting');

      }

Read More

CodeIgniter Form Validation – Setting Rules, Setting Error Messages and Repopulating Form

ViewFile.
<?php if($this->session->flashdata("message_name")): ?>
<div class="alert alert-success" name="message_name">
              <?php echo $this->session->flashdata("message_name"); ?>
</div>              
    <?php endif; ?>


Controller:

$data ['rest'] = $this->admin_model->update_account_setting($id,$data);

if(validation_errors() != false) 
{
    $this->session->set_flashdata('error_message','Data Unsuccessful Updated.');
redirect('admin/account_setting');
      }
      else
      {
      $this->session->set_flashdata('message_name','Data Updated.');
redirect('admin/account_setting');

      }

Read More

Upload image in Codeigniter Very Simple Way

Hi Guys ! if you Want to Upload image with Codeigniter. So you use these code and work very fast.

1)First you create twoView File.

1. Upload_Form.php
2 Upload_Success.php

Then you create Controller File.

Upload.php

Then you create a folder in root ,"uploads" name .
Your images. file save in upload folder. So as on you 
copy the code and put sequince waise.

Run the program . if any question arise in your mind so you can comment in comment box.




Upload_Form.php

<html>
<head>
<title>Upload Form</title>
</head>
<body>

<?php echo $error;?>

<?php echo form_open_multipart('upload/do_upload');?>

<input type="file" name="userfile" size="20" />

<br /><br />

<input type="submit" value="upload" />

</form>

</body>
</html>


Upload_Success.php
<html>
<head>
<title>Upload Form</title>
</head>
<body>

<h3>Your file was successfully uploaded!</h3>

<ul>
<?php foreach ($upload_data as $item => $value):?>
<li><?php echo $item;?>: <?php echo $value;?></li>
<?php endforeach; ?>
</ul>

<p><?php echo anchor('upload', 'Upload Another File!'); ?></p>

</body>

</html>

.......

Controller
Upload.php

<?php

class Upload extends CI_Controller {

        public function __construct()
        {
                parent::__construct();
                $this->load->helper(array('form', 'url'));
        }

        public function index()
        {
                $this->load->view('upload_form', array('error' => ' ' ));
        }

        public function do_upload()
        {
                $config['upload_path']          = './uploads/';
                $config['allowed_types']        = 'gif|jpg|png';
                $config['max_size']             = 100;
                $config['max_width']            = 1024;
                $config['max_height']           = 768;

                $this->load->library('upload', $config);

                if ( ! $this->upload->do_upload('userfile'))
                {
                        $error = array('error' => $this->upload->display_errors()
                        $this->load->view('upload_form', $error);
                }
                else
                {
                        $data = array('upload_data' => $this->upload->data());
                        $this->load->view('upload_success', $data);
                }
        }
}

?>

Model

user_model.php

...............
Dont Use In Uploading File ,,,you can learn only some secretly ..

insert edit view

<?php
class User_model extends CI_Model {

    public function __construct()
    {
        $this->load->database();
    }
    
    public function get_user($id = 0)
    {
        if ($id === 0)
        {
            $query = $this->db->get('user');
            return $query->result_array();
        }

        $query = $this->db->get_where('user', array('id' => $id));
        return $query->row_array();
    }
    
    public function get_user_login($email, $password)
    {
        $query = $this->db->get_where('user', array('email' => $email, 'password' => $password));        
        //return $query->num_rows();
        return $query->row_array();
    }
    
    public function set_user($id = 0)
    {
        $data = array(
            'firstname' => $this->input->post('firstname'),
            'lastname' => $this->input->post('lastname'),
            'email' => $this->input->post('email'),
            'password' => $this->input->post('password'),
            'updated_at' => date('Y-m-d H:i:s')
        );
            
        if ($id == 0) {
            return $this->db->insert('user', $data);
        } else {
            $this->db->where('id', $id);
            return $this->db->update('user', $data);
        }
    }
    
    public function delete_user($id)
    {
        $this->db->where('id', $id);
        return $this->db->delete('user');
    }    
    

}

Read More

Upload image in Codeigniter Very Simple Way

Hi Guys ! if you Want to Upload image with Codeigniter. So you use these code and work very fast.

1)First you create twoView File.

1. Upload_Form.php
2 Upload_Success.php

Then you create Controller File.

Upload.php

Then you create a folder in root ,"uploads" name .
Your images. file save in upload folder. So as on you 
copy the code and put sequince waise.

Run the program . if any question arise in your mind so you can comment in comment box.




Upload_Form.php

<html>
<head>
<title>Upload Form</title>
</head>
<body>

<?php echo $error;?>

<?php echo form_open_multipart('upload/do_upload');?>

<input type="file" name="userfile" size="20" />

<br /><br />

<input type="submit" value="upload" />

</form>

</body>
</html>


Upload_Success.php
<html>
<head>
<title>Upload Form</title>
</head>
<body>

<h3>Your file was successfully uploaded!</h3>

<ul>
<?php foreach ($upload_data as $item => $value):?>
<li><?php echo $item;?>: <?php echo $value;?></li>
<?php endforeach; ?>
</ul>

<p><?php echo anchor('upload', 'Upload Another File!'); ?></p>

</body>

</html>

.......

Controller
Upload.php

<?php

class Upload extends CI_Controller {

        public function __construct()
        {
                parent::__construct();
                $this->load->helper(array('form', 'url'));
        }

        public function index()
        {
                $this->load->view('upload_form', array('error' => ' ' ));
        }

        public function do_upload()
        {
                $config['upload_path']          = './uploads/';
                $config['allowed_types']        = 'gif|jpg|png';
                $config['max_size']             = 100;
                $config['max_width']            = 1024;
                $config['max_height']           = 768;

                $this->load->library('upload', $config);

                if ( ! $this->upload->do_upload('userfile'))
                {
                        $error = array('error' => $this->upload->display_errors()
                        $this->load->view('upload_form', $error);
                }
                else
                {
                        $data = array('upload_data' => $this->upload->data());
                        $this->load->view('upload_success', $data);
                }
        }
}

?>

Model

user_model.php

...............
Dont Use In Uploading File ,,,you can learn only some secretly ..

insert edit view

<?php
class User_model extends CI_Model {

    public function __construct()
    {
        $this->load->database();
    }
    
    public function get_user($id = 0)
    {
        if ($id === 0)
        {
            $query = $this->db->get('user');
            return $query->result_array();
        }

        $query = $this->db->get_where('user', array('id' => $id));
        return $query->row_array();
    }
    
    public function get_user_login($email, $password)
    {
        $query = $this->db->get_where('user', array('email' => $email, 'password' => $password));        
        //return $query->num_rows();
        return $query->row_array();
    }
    
    public function set_user($id = 0)
    {
        $data = array(
            'firstname' => $this->input->post('firstname'),
            'lastname' => $this->input->post('lastname'),
            'email' => $this->input->post('email'),
            'password' => $this->input->post('password'),
            'updated_at' => date('Y-m-d H:i:s')
        );
            
        if ($id == 0) {
            return $this->db->insert('user', $data);
        } else {
            $this->db->where('id', $id);
            return $this->db->update('user', $data);
        }
    }
    
    public function delete_user($id)
    {
        $this->db->where('id', $id);
        return $this->db->delete('user');
    }    
    

}

Read More

How to Upload Image and File in Database by CodeIgniter

1).  Create View.php File

2). Create view_model.php File in model folder

3).Create Upload.php File in Controller


View.php File
<div class="card-body">
            <div class="row">
Important Note : Form is very compulsory in action part see and use according to url of your file
              <form method='post' action='<?php echo base_url()?>admin/add_doct' enctype="multipart/form-data"> 
               <div class="col-md-12">
                  <label>Doctor Name</label>
                  <div class="form-group">
                     <?php echo form_input(array("type"=>"text",'name'=>'name'),'',array('class'=>'form-control','placeholder'=>'','required'=>'required')); ?>
                        <span>  <?= $this->session->flashdata('successful_msg');?></span>
                  </div>
                  <div class="form-group">
                     <label>Image </label>

                     <?php echo form_input(array("type"=>"file",'name'=>'images'),'',array('class'=>'form-control','placeholder'=>'','required'=>'required')); ?>
                        <span>  <?= $this->session->flashdata('successful_msg');?></span>
                        <!-- <div class="col-lg-6">
                           <?php //if (isset($upload_error)) echo $upload_error;?>
                        </div> -->
                  </div>
                     <p class="text-center">
                        <?php echo form_submit('submit', 'submit',array("class"=>"btn_1 medium")); ?>
                     </p>
                  </div>   
               </div>
              </form> 
            </div>
         </div>

Model.php

public function add_doct()
{
//$data = $this->db->select(`name`)->get($this->product)->result_array();
$name = $this->input->post('name');
$images = $this->input->post('images');
//print_r($image); die();
$this->db->where('name',$name);
$p = $this->db->get('product')->row();
    if (empty($p)) {
      $data = array(

      'name'=>$this->input->post('name'),
      'images'=>$this->input->post('images')
      );
      $this->db->insert('product',$data);
      return 1;
    }
    else
    {
    return 0;
    }

}


Controller.php
public function add_doct()
{
$this->load->model('Doctor');
$data['page_title'] = "Add Product List";
if($this->input->post())
{
$values = $this->input->post();
$config['upload_path']          = './uploads';
$config['allowed_types']        = 'png|jpg|jpeg|gif';
$this->load->library('upload', $config);
$filedata['file_name'] = "";
$error = "";
if (!$this->upload->do_upload('images')):
    $error = array('error' => $this->upload->display_errors());
    //print_r($error); die();
else:
    $filedata = array('upload_data' => $this->upload->data());
endif;
if($error==""):
$values['images'] = $filedata['upload_data']['file_name'];
endif;
//$values['creation_date'] = time();
$datas = array(

      'name'=>$values['name'], //database name 'name'
      'images'=>$values['images'] //database name images
      );
$this->db->insert("database Name",$datas);
$this->session->set_flashdata("success_msg","Pruduct has been created");
redirect(base_url('admin/drdetailing/add_productlist'));
$this->load->template('admin/drdetailing/add_productlist',$data,1);
}
if($ins == 1){
$this->session->set_flashdata('message_name','Data Submitted');
redirect('admin/drdetailing/view_productlist');
}else{
$this->session->set_flashdata('message_name','This name allready exist');
redirect('admin/drdetailing/view_productlist');
}
$data['page_title'] = "Add Doctor & you can change name";
$this->load->template('admin/drdetailing/add_productlist',$data,1);

}


Important Note : Change :

Database name : Name & images

file

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How to Upload Image and File in Database by CodeIgniter

1).  Create View.php File

2). Create view_model.php File in model folder

3).Create Upload.php File in Controller


View.php File
<div class="card-body">
            <div class="row">
Important Note : Form is very compulsory in action part see and use according to url of your file
              <form method='post' action='<?php echo base_url()?>admin/add_doct' enctype="multipart/form-data"> 
               <div class="col-md-12">
                  <label>Doctor Name</label>
                  <div class="form-group">
                     <?php echo form_input(array("type"=>"text",'name'=>'name'),'',array('class'=>'form-control','placeholder'=>'','required'=>'required')); ?>
                        <span>  <?= $this->session->flashdata('successful_msg');?></span>
                  </div>
                  <div class="form-group">
                     <label>Image </label>

                     <?php echo form_input(array("type"=>"file",'name'=>'images'),'',array('class'=>'form-control','placeholder'=>'','required'=>'required')); ?>
                        <span>  <?= $this->session->flashdata('successful_msg');?></span>
                        <!-- <div class="col-lg-6">
                           <?php //if (isset($upload_error)) echo $upload_error;?>
                        </div> -->
                  </div>
                     <p class="text-center">
                        <?php echo form_submit('submit', 'submit',array("class"=>"btn_1 medium")); ?>
                     </p>
                  </div>   
               </div>
              </form> 
            </div>
         </div>

Model.php

public function add_doct()
{
//$data = $this->db->select(`name`)->get($this->product)->result_array();
$name = $this->input->post('name');
$images = $this->input->post('images');
//print_r($image); die();
$this->db->where('name',$name);
$p = $this->db->get('product')->row();
    if (empty($p)) {
      $data = array(

      'name'=>$this->input->post('name'),
      'images'=>$this->input->post('images')
      );
      $this->db->insert('product',$data);
      return 1;
    }
    else
    {
    return 0;
    }

}


Controller.php
public function add_doct()
{
$this->load->model('Doctor');
$data['page_title'] = "Add Product List";
if($this->input->post())
{
$values = $this->input->post();
$config['upload_path']          = './uploads';
$config['allowed_types']        = 'png|jpg|jpeg|gif';
$this->load->library('upload', $config);
$filedata['file_name'] = "";
$error = "";
if (!$this->upload->do_upload('images')):
    $error = array('error' => $this->upload->display_errors());
    //print_r($error); die();
else:
    $filedata = array('upload_data' => $this->upload->data());
endif;
if($error==""):
$values['images'] = $filedata['upload_data']['file_name'];
endif;
//$values['creation_date'] = time();
$datas = array(

      'name'=>$values['name'], //database name 'name'
      'images'=>$values['images'] //database name images
      );
$this->db->insert("database Name",$datas);
$this->session->set_flashdata("success_msg","Pruduct has been created");
redirect(base_url('admin/drdetailing/add_productlist'));
$this->load->template('admin/drdetailing/add_productlist',$data,1);
}
if($ins == 1){
$this->session->set_flashdata('message_name','Data Submitted');
redirect('admin/drdetailing/view_productlist');
}else{
$this->session->set_flashdata('message_name','This name allready exist');
redirect('admin/drdetailing/view_productlist');
}
$data['page_title'] = "Add Doctor & you can change name";
$this->load->template('admin/drdetailing/add_productlist',$data,1);

}


Important Note : Change :

Database name : Name & images

file

Read More