60 lines
1.9 KiB
PHP
60 lines
1.9 KiB
PHP
<?php
|
|
/*
|
|
* $Id: Enum.php 1080 2007-02-10 18:17:08Z romanb $
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* This software consists of voluntary contributions made by many individuals
|
|
* and is licensed under the LGPL. For more information, see
|
|
* <http://www.phpdoctrine.org>.
|
|
*/
|
|
|
|
/**
|
|
* Doctrine_Validator_Unsigned
|
|
*
|
|
* @package Doctrine
|
|
* @subpackage Validator
|
|
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
|
|
* @link www.phpdoctrine.org
|
|
* @since 1.0
|
|
* @version $Revision: 1080 $
|
|
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
|
|
*/
|
|
class Doctrine_Validator_Unsigned
|
|
{
|
|
/**
|
|
* checks if given value is a valid unsigned integer or float
|
|
*
|
|
* valid values: null, '', 5, '5', 5.9, '5.9'
|
|
* invalid values: -5, '-5', 'five', -5.9, '-5.9', '5.5.5'
|
|
*
|
|
* @param mixed $value
|
|
* @return boolean
|
|
*/
|
|
public function validate($value)
|
|
{
|
|
if (is_null($value) || $value == '') {
|
|
return true;
|
|
}
|
|
if (preg_match('/[^0-9\-\.]/', $value)) {
|
|
return false;
|
|
}
|
|
|
|
if ((double) $value >= 0)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
} |