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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) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id$ */ /** * @see Zend_Validate_Abstract */ require_once 'Zend/Validate/Abstract.php'; /** * @category Zend * @package Zend_Validate * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Validate_Alnum extends Zend_Validate_Abstract { const INVALID = 'alnumInvalid'; const NOT_ALNUM = 'notAlnum'; const STRING_EMPTY = 'alnumStringEmpty'; /** * Whether to allow white space characters; off by default * * @var boolean * @deprecated */ public $allowWhiteSpace; /** * Alphanumeric filter used for validation * * @var Zend_Filter_Alnum */ protected static $_filter = null; /** * Validation failure message template definitions * * @var array */ protected $_messageTemplates = array( self::INVALID => "Invalid type given. String, integer or float expected", self::NOT_ALNUM => "'%value%' contains characters which are non alphabetic and no digits", self::STRING_EMPTY => "'%value%' is an empty string", ); /** * Sets default option values for this instance * * @param boolean|Zend_Config $allowWhiteSpace * @return void */ public function __construct($allowWhiteSpace = false) { if ($allowWhiteSpace instanceof Zend_Config) { $allowWhiteSpace = $allowWhiteSpace->toArray(); } if (is_array($allowWhiteSpace)) { if (array_key_exists('allowWhiteSpace', $allowWhiteSpace)) { $allowWhiteSpace = $allowWhiteSpace['allowWhiteSpace']; } else { $allowWhiteSpace = false; } } $this->allowWhiteSpace = (boolean) $allowWhiteSpace; } /** * Returns the allowWhiteSpace option * * @return boolean */ public function getAllowWhiteSpace() { return $this->allowWhiteSpace; } /** * Sets the allowWhiteSpace option * * @param boolean $allowWhiteSpace * @return Zend_Filter_Alnum Provides a fluent interface */ public function setAllowWhiteSpace($allowWhiteSpace) { $this->allowWhiteSpace = (boolean) $allowWhiteSpace; return $this; } /** * Defined by Zend_Validate_Interface * * Returns true if and only if $value contains only alphabetic and digit characters * * @param string $value * @return boolean */ public function isValid($value) { if (!is_string($value) && !is_int($value) && !is_float($value)) { $this->_error(self::INVALID); return false; } $this->_setValue($value); if ('' === $value) { $this->_error(self::STRING_EMPTY); return false; } if (null === self::$_filter) { /** * @see Zend_Filter_Alnum */ require_once 'Zend/Filter/Alnum.php'; self::$_filter = new Zend_Filter_Alnum(); } self::$_filter->allowWhiteSpace = $this->allowWhiteSpace; if ($value != self::$_filter->filter($value)) { $this->_error(self::NOT_ALNUM); return false; } return true; } }