/home/edulekha/studygroup.edulekha.com/ow_utilities/validator.php
<?php
/**
* EXHIBIT A. Common Public Attribution License Version 1.0
* The contents of this file are subject to the Common Public Attribution License Version 1.0 (the “License”);
* you may not use this file except in compliance with the License. You may obtain a copy of the License at
* http://www.oxwall.org/license. The License is based on the Mozilla Public License Version 1.1
* but Sections 14 and 15 have been added to cover use of software over a computer network and provide for
* limited attribution for the Original Developer. In addition, Exhibit A has been modified to be consistent
* with Exhibit B. Software distributed under the License is distributed on an “AS IS” basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language
* governing rights and limitations under the License. The Original Code is Oxwall software.
* The Initial Developer of the Original Code is Oxwall Foundation (http://www.oxwall.org/foundation).
* All portions of the code written by Oxwall Foundation are Copyright (c) 2011. All Rights Reserved.
* EXHIBIT B. Attribution Information
* Attribution Copyright Notice: Copyright 2011 Oxwall Foundation. All rights reserved.
* Attribution Phrase (not exceeding 10 words): Powered by Oxwall community software
* Attribution URL: http://www.oxwall.org/
* Graphic Image as provided in the Covered Code.
* Display of Attribution Information is required in Larger Works which are defined in the CPAL as a work
* which combines Covered Code or portions thereof with code not governed by the terms of the CPAL.
*/
/**
* @author Podyachev Evgeny <joker.OW2@gmail.com>
* @package ow_utilities
* @since 1.0
*/
class UTIL_Validator
{
const PASSWORD_MIN_LENGTH = 4;
const PASSWORD_MAX_LENGTH = 128;
const USER_NAME_PATTERN = '/^[\w]{1,32}$/';
const EMAIL_PATTERN = '/^([\w\-\.\+\%]*[\w])@((?:[A-Za-z0-9\-]+\.)+[A-Za-z]{2,})$/';
const URL_PATTERN = '/^(http(s)?:\/\/)?((\d+\.\d+\.\d+\.\d+)|(([\w-]+\.)+([a-z,A-Z][\w-]*)))(:[1-9][0-9]*)?(\/?([\w-.\,\/:%+@&*=~]+[\w- \,.\/?:%+@&=*|]*)?)?(#(.*))?$/';
const INT_PATTERN = '/^[-+]?[0-9]+$/';
const FLOAT_PATTERN = '/^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?$/';
const ALPHA_NUMERIC_PATTERN = '/^[A-Za-z0-9]+$/';
public static function isEmailValid( $value )
{
$pattern = self::EMAIL_PATTERN;
if ( !preg_match($pattern, $value) )
{
return false;
}
return true;
}
public static function isUrlValid( $value )
{
$pattern = self::URL_PATTERN;
if ( !preg_match($pattern, $value) )
{
return false;
}
return true;
}
public static function isIntValid( $value )
{
if ( !preg_match(self::INT_PATTERN, $value) )
{
return false;
}
return true;
}
public static function isFloatValid( $value )
{
if ( !preg_match(self::FLOAT_PATTERN, $value) )
{
return false;
}
return true;
}
public static function isAlphaNumericValid( $value )
{
$pattern = self::ALPHA_NUMERIC_PATTERN;
if ( !preg_match($pattern, $value) )
{
return false;
}
return true;
}
public static function isUserNameValid( $value )
{
$pattern = self::USER_NAME_PATTERN;
if ( !preg_match($pattern, $value) )
{
return false;
}
return true;
}
public static function isDateValid( $month, $day, $year )
{
if ( !checkdate($month, $day, $year) )
{
return false;
}
return true;
}
public static function isCaptchaValid( $value )
{
if ( $value === null )
{
return false;
}
require_once OW_DIR_LIB . 'securimage/securimage.php';
$img = new Securimage();
if ( !$img->check($value) )
{
return false;
}
return true;
}
}