library/Zend/Validate/NotEmpty.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Validate
  17  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version    $Id: NotEmpty.php 17680 2009-08-19 20:02:26Z thomas $
  20  */
  21
  22 /**
  23  * @see Zend_Validate_Abstract
  24  */
  25 require_once 'Zend/Validate/Abstract.php';
  26
  27 /**
  28  * @category   Zend
  29  * @package    Zend_Validate
  30  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  31  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  32  */
  33 class Zend_Validate_NotEmpty extends Zend_Validate_Abstract
  34 {
  35     const INVALID  = 'notEmptyInvalid';
  36     const IS_EMPTY = 'isEmpty';
  37
  38     /**
  39      * @var array
  40      */
  41     protected $_messageTemplates = array(
  42         self::IS_EMPTY => "Value is required and can't be empty",
  43         self::INVALID  => "Invalid type given, value should be float, string, array, boolean or integer",
  44     );
  45
  46     /**
  47      * Defined by Zend_Validate_Interface
  48      *
  49      * Returns true if and only if $value is not an empty value.
  50      *
  51      * @param  string $value
  52      * @return boolean
  53      */
  54     public function isValid($value)
  55     {
  56         if (!is_string($value) && !is_int($value) && !is_float($value) && !is_bool($value) &&
  57             !is_array($value)) {
  58             $this->_error(self::INVALID);
  59             return false;
  60         }
  61
  62         $this->_setValue($value);
  63         if (is_string($value)
  64             && (('' === $value)
  65                 || preg_match('/^\s+$/s', $value))
  66         ) {
  67             $this->_error(self::IS_EMPTY);
  68             return false;
  69         } elseif (!is_string($value) && empty($value)) {
  70             $this->_error(self::IS_EMPTY);
  71             return false;
  72         }
  73
  74         return true;
  75     }
  76
  77 }