This post is about Quick and Easy Drop-down HTML Select box element generation with custom CI helper function(CI helper file merely contains your defined functions)
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How to create custom helper in CodeIgniter
Here is the steps to create Helper , just crate a file called dropdown_helper.php in application/helper/dropdown_helper.php. then copy paste the following code.
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<?php if(!defined('BASEPATH')) exit('No direct script access allowed'); function listData($table,$name,$value,$orderBy='ASC') { $items = array(); $CI =& get_instance(); if($orderBy) { $CI->db->order_by($value,$orderBy); } $query = $CI->db->select("$name,$value")->from($table)->get(); if ($query->num_rows() > 0) { foreach($query->result() as $data) { $items[$data->$name] = $data->$value; } $query->free_result(); return $items; } } /* End of file dropdwon_helper.php */ /* Location: ./application/helper/dropdown_helper.php */ |
How to use Dropdown helper?
To use this helper, you should load this helper just like ci core helpers,you can load this helper controller level or method level or you can set auto load in applications/config/autoload.php(you can use any were in the application).
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$this->load->helper('dropdown'); |
How to Use Show Me Example
Create a controller class called test.php in application/controllers/test.php, then copy past below script
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<?php class Test extends CI_Controller { public function index() { $this->load->helper(array('dropdown','form')); $dropdownItems = listData('country_tbl','country_id', 'country_name'); echo form_dropdown('dropdown',$dropdownItems,$selected = 8); } } /* End of file test.php */ /* Location: ./application/controllers/test.php */ |
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