Category Archives: Codeigniter

Fatal error: Call to undefined function base_url() in- why this error coming?

use $this->load->helper(‘url’); in autoload.php

Css path in codeigniter

css folder will be inside the codeigniter main folder. system application assets -css access path will be as like below

<link href="<?=base_url();?>assets/css/style.css" rel="stylesheet">
<link href="<?php echo base_url('assets/css/style.css'); ?>" rel="stylesheet" type="text/css" />

1 2	<link href="<?=base_url();?>assets/css/style.css" rel="stylesheet"> <link href="<?php echo base_url('assets/css/style.css'); ?>" rel="stylesheet" type="text/css" />

Fatal error: Cannot redeclare class Project in why this error

this is because of same name is used for controller and model file ‘project’. change model or controller to some other names it will work enjoy!!

Fatal error: Call to a member function set_rules() on a non-object in error in codeigniter

$this->load->library('form_validation');
		  
		  $this->form_vallidation->set_rules('project_name','Project Name','trim|required|min_lenth[5]|xss_clean');
		
		  if($this->form_validation->run() == FALSE)
		{
			$this->index();
		}

$this->load->library('form_validation');

$this->form_vallidation->set_rules('project_name','Project Name','trim|required|min_lenth[5]|xss_clean');

if($this->form_validation->run() == FALSE)

{

$this->index();

}

Why this error is coming in my coding ?

validation_errors codeigniter not working why?

controller file as like below registration.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Registration extends CI_Controller {

 function __construct()
 {
		parent::__construct();
		$this->load->model('user');
 }

 function index()
 {

		 $this->load->view("reg_view.php");


 }
 
 public function registration()
	{
		$this->load->library('form_validation');

		$this->form_validation->set_rules('user_name', 'User Name', 'trim|required|min_length[4]|xss_clean');

		if($this->form_validation->run() == FALSE)
		{
			$this->index();
		}
		else
		{

                       //database insertion
		}
	}
}

?>

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Registration extends CI_Controller {

function __construct()

{

parent::__construct();

$this->load->model('user');

}

function index()

{

$this->load->view("reg_view.php");

}

public function registration()

{

$this->load->library('form_validation');

$this->form_validation->set_rules('user_name', 'User Name', 'trim|required|min_length[4]|xss_clean');

if($this->form_validation->run() == FALSE)

{

$this->index();

}

else

{

//database insertion

}

view file as below reg_view.php

<div id="testme">
<div class="reg">
<div class="my_title">Sign Up</div>

<?php echo validation_errors('<p class="error">'); ?>
	<?php echo form_open("registration/registration"); ?>
		<p>
			<label for="user_name">User Name:</label>
			<input type="text" id="user_name" name="user_name" value="<?php echo set_value('user_name'); ?>" />
		</p>        
		<p>
			<input type="submit" class="greenButton" value="Submit" />
		</p>
	<?php echo form_close(); ?>
</div>
</div>

<?php echo validation_errors('<p class="error">'); ?>

<?php echo form_open("registration/registration"); ?>

<p>

</p>

<p>

</p>

<?php echo form_close(); ?>

</div>

when i click on the submit button nothing happens Solution is below Please Use capital letter for the controllername

<?php echo form_open("Registration/registration"); ?>

1	<?php echo form_open("Registration/registration"); ?>

Unable to locate the model you have specified: why this error in codeingiter

This error usualy comes becuse of missing model file or invalid model filename.

Simple Login/Edit/Delete/Entry Application using codeigniter

Database Creation create a database “my_testdb”. use the below query for generationg tables. CREATE TABLE IF NOT EXISTS questionandanswers ( ID int(10) NOT NULL AUTO_INCREMENT, question longtext NOT NULL, answer1 varchar(250) NOT NULL, answer2 varchar(250) NOT NULL, answer3 varchar(250) NOT NULL, answer4 varchar(250) NOT NULL, answer5 varchar(250) NOT NULL, correctanswer varchar(250) NOT NULL, PRIMARY KEY… Read More »