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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: StringLength.php 8064 2008-02-16 10:58:39Z thomas $
*/
/**
* @see Zend_Validate_Abstract
*/
require_once 'external/Zend/Validate/Abstract.php';
/**
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Validate_StringLength extends Zend_Validate_Abstract {
const TOO_SHORT = 'stringLengthTooShort';
const TOO_LONG = 'stringLengthTooLong';
/**
* @var array
*/
protected $_messageTemplates = array(self::TOO_SHORT => "'%value%' is less than %min% characters long",
self::TOO_LONG => "'%value%' is greater than %max% characters long");
/**
* @var array
*/
protected $_messageVariables = array('min' => '_min', 'max' => '_max');
/**
* Minimum length
*
* @var integer
*/
protected $_min;
/**
* Maximum length
*
* If null, there is no maximum length
*
* @var integer|null
*/
protected $_max;
/**
* Sets validator options
*
* @param integer $min
* @param integer $max
* @return void
*/
public function __construct($min = 0, $max = null) {
$this->setMin($min);
$this->setMax($max);
}
/**
* Returns the min option
*
* @return integer
*/
public function getMin() {
return $this->_min;
}
/**
* Sets the min option
*
* @param integer $min
* @throws Zend_Validate_Exception
* @return Zend_Validate_StringLength Provides a fluent interface
*/
public function setMin($min) {
if (null !== $this->_max && $min > $this->_max) {
/**
* @see Zend_Validate_Exception
*/
require_once 'external/Zend/Validate/Exception.php';
throw new Zend_Validate_Exception("The minimum must be less than or equal to the maximum length, but $min >" . " $this->_max");
}
$this->_min = max(0, (integer)$min);
return $this;
}
/**
* Returns the max option
*
* @return integer|null
*/
public function getMax() {
return $this->_max;
}
/**
* Sets the max option
*
* @param integer|null $max
* @throws Zend_Validate_Exception
* @return Zend_Validate_StringLength Provides a fluent interface
*/
public function setMax($max) {
if (null === $max) {
$this->_max = null;
} else if ($max < $this->_min) {
/**
* @see Zend_Validate_Exception
*/
require_once 'external/Zend/Validate/Exception.php';
throw new Zend_Validate_Exception("The maximum must be greater than or equal to the minimum length, but " . "$max < $this->_min");
} else {
$this->_max = (integer)$max;
}
return $this;
}
/**
* Defined by Zend_Validate_Interface
*
* Returns true if and only if the string length of $value is at least the min option and
* no greater than the max option (when the max option is not null).
*
* @param string $value
* @return boolean
*/
public function isValid($value) {
$valueString = (string)$value;
$this->_setValue($valueString);
$length = iconv_strlen($valueString);
if ($length < $this->_min) {
$this->_error(self::TOO_SHORT);
}
if (null !== $this->_max && $this->_max < $length) {
$this->_error(self::TOO_LONG);
}
if (count($this->_messages)) {
return false;
} else {
return true;
}
}
}
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