gistfile1.php

<?php defined('SYSPATH') or die('No direct script access.');

class Model_User extends Model_Auth_User {

	protected $_has_many = array(
		'user_tokens' => array('model' => 'user_token'),
		'roles'       => array('model' => 'role', 'through' => 'roles_users'),
	);

	protected $_rules = array(
		'username' => array(
			'not_empty'  => NULL,
			'min_length' => array(4),
			'max_length' => array(32),
			'regex'      => array('/^[-\pL\pN_.]++$/uD'),
			'alpha_dash' => array()
		),
		'password' => array(
			'not_empty'  => NULL,
			'min_length' => array(5),
			'max_length' => array(42),
		),
		'password_confirm' => array(
			'matches'    => array('password'),
		),
		'email' => array(
			'not_empty'  => NULL,
			'min_length' => array(4),
			'max_length' => array(127),
			'email'      => NULL,
		),
		'first_name' => array(
			'not_empty'	 => NULL,
			'max_length' => array(255)
		),
		'last_name' => array(
			'not_empty'  => NULL,
			'max_length' => array(255)
		),
		'mobile' => array(
			'not_empty'	 => NULL,
			'phone'		 => array(10)
		)
	);
	
	protected $_filters = array(
		'mobile' => array('Model_User::remove_dashes' => array()),
	);
	
	protected $_callbacks = array(
		'username' => array('username_available'),
		'email' => array('email_available'),
	);

	protected $_labels = array(
		'username'         => 'username',
		'email'            => 'email address',
		'password'         => 'password',
		'password_confirm' => 'password confirmation',
		'first_name'	   => 'first name',
		'last_name'		   => 'last name',
		'mobile'		   => 'mobile phone number',
	);

	protected $_ignored_columns = array('password_confirm');
	
	public static function remove_dashes($value)
	{
		$value = preg_replace('/\D+/', '', $value);
		return $value;
	}
}