139 lines
3.5 KiB
PHP
139 lines
3.5 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Alpha.php 16223 2009-06-21 20:04:53Z thomas $
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*/
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/**
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* @see Zend_Validate_Abstract
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*/
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require_once 'Zend/Validate/Abstract.php';
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/**
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Validate_Alpha extends Zend_Validate_Abstract
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{
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const INVALID = 'alphaInvalid';
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const NOT_ALPHA = 'notAlpha';
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const STRING_EMPTY = 'stringEmpty';
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/**
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* Whether to allow white space characters; off by default
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*
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* @var boolean
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* @depreciated
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*/
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public $allowWhiteSpace;
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/**
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* Alphabetic filter used for validation
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*
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* @var Zend_Filter_Alpha
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*/
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protected static $_filter = null;
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/**
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* Validation failure message template definitions
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*
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* @var array
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*/
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protected $_messageTemplates = array(
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self::INVALID => "Invalid type given, value should be a string",
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self::NOT_ALPHA => "'%value%' has not only alphabetic characters",
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self::STRING_EMPTY => "'%value%' is an empty string"
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);
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/**
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* Sets default option values for this instance
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*
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* @param boolean $allowWhiteSpace
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* @return void
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*/
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public function __construct($allowWhiteSpace = false)
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{
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$this->allowWhiteSpace = (boolean) $allowWhiteSpace;
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}
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/**
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* Returns the allowWhiteSpace option
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*
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* @return boolean
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*/
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public function getAllowWhiteSpace()
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{
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return $this->allowWhiteSpace;
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}
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/**
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* Sets the allowWhiteSpace option
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*
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* @param boolean $allowWhiteSpace
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* @return Zend_Filter_Alpha Provides a fluent interface
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*/
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public function setAllowWhiteSpace($allowWhiteSpace)
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{
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$this->allowWhiteSpace = (boolean) $allowWhiteSpace;
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return $this;
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}
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/**
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* Defined by Zend_Validate_Interface
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*
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* Returns true if and only if $value contains only alphabetic characters
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*
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* @param string $value
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* @return boolean
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*/
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public function isValid($value)
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{
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if (!is_string($value)) {
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$this->_error(self::INVALID);
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return false;
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}
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$this->_setValue($value);
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if ('' === $value) {
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$this->_error(self::STRING_EMPTY);
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return false;
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}
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if (null === self::$_filter) {
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/**
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* @see Zend_Filter_Alpha
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*/
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require_once 'Zend/Filter/Alpha.php';
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self::$_filter = new Zend_Filter_Alpha();
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}
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self::$_filter->allowWhiteSpace = $this->allowWhiteSpace;
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if ($value !== self::$_filter->filter($value)) {
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$this->_error(self::NOT_ALPHA);
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return false;
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}
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return true;
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}
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}
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