MY_Form_validation

MY_Form_validation.php

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

class MY_Form_validation extends CI_Form_validation 
{
	function __construct()
	{
		parent::__construct();
		log_message('debug', "MY_Form_validation Class Initialized");
    }

	// Usage ex: is_unique[users.email.id.' . $user_id . ']'
	public function is_unique($str, $field)
	{
	    if (substr_count($field, '.') == 3) {
	        list($table, $field, $id_field, $id_val) = explode('.', $field);
	        $query = $this->CI->db->limit(1)->where($field, $str)->where($id_field . ' != ', $id_val)->get($table);
	    } else {
	        list($table, $field) = explode('.', $field);
	        $query = $this->CI->db->limit(1)->get_where($table, array($field => $str));
	    }

	    return $query->num_rows() === 0;
	}

	/**
	 * Numeric/Decimal number
	 *
	 * @access	public
	 * @param	string
	 * @return	bool
	 */
	public function numeric($str)
	{
		return (bool)preg_match('/[0-9]+([0-9]+\.)?(\,[0-9]+)?/', $str);

	}

	/**
	 * Validate brazilian date format
	 *
	 * @access	public
	 * @param	string
	 * @return	bool
	 */
	public function valid_brdate($str = '')
	{
		if (empty($str))
			return false;

		list($day, $month, $year) = explode('/', $str);
		return checkdate($month, $day, $year);
	}
	
	public function db_decimal($str = '')
	{
		return decimal2db($str);
	}

	public function db_date($str = '')
	{
		return date2db($str);
	}

	

}