interface/modules/zend_modules/library/Zend/Validator/ValidatorInterface.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Validator;
  11
  12 interface ValidatorInterface
  13 {
  14     /**
  15      * Returns true if and only if $value meets the validation requirements
  16      *
  17      * If $value fails validation, then this method returns false, and
  18      * getMessages() will return an array of messages that explain why the
  19      * validation failed.
  20      *
  21      * @param  mixed $value
  22      * @return bool
  23      * @throws Exception\RuntimeException If validation of $value is impossible
  24      */
  25     public function isValid($value);
  26
  27     /**
  28      * Returns an array of messages that explain why the most recent isValid()
  29      * call returned false. The array keys are validation failure message identifiers,
  30      * and the array values are the corresponding human-readable message strings.
  31      *
  32      * If isValid() was never called or if the most recent isValid() call
  33      * returned true, then this method returns an empty array.
  34      *
  35      * @return array
  36      */
  37     public function getMessages();
  38 }