advanced code snippet search

Posted By

manteca on 12/29/09


Tagged

form validation codeigniter


Versions (?)

Who likes this?

2 people have marked this snippet as a favorite

AzizLight
guillermoj88gmailcom


Extender validacion de Codeigniter

 / Published in: PHP
 

URL: http://net.tutsplus.com/tutorials/php/6-codeigniter-hacks-for-the-masters/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+nettuts+%28NETTUTS%29

Esto es para agregar la validacion de un nombre unico.

$this->formvalidation->setrules('username', 'Username', 'required|alphanumeric|minlength[6]|unique[User.username]');

Esto revisas que no exista un usuario (unique[User.username] ) en la table "User" ela columna "username".

Expand | Embed | Plain Text 
  1. //Create: "application/libraries/MY_Form_validation.php"
  2. class MY_Form_validation extends CI_Form_validation {
  3.  
  4. 	function unique($value, $params) {
  5.  
  6. 		$CI =& get_instance();
  7. 		$CI->load->database();
  8.  
  9. 		$CI->form_validation->set_message('unique',
  10. 			'The %s is already being used.');
  11.  
  12. 		list($table, $field) = explode(".", $params, 2);
  13.  
  14. 		$query = $CI->db->select($field)->from($table)
  15. 			->where($field, $value)->limit(1)->get();
  16.  
  17. 		if ($query->row()) {
  18. 			return false;
  19. 		} else {
  20. 			return true;
  21. 		}
  22.  
  23. 	}
  24. }

Report this snippet  

You need to login to post a comment.