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<?php
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/*
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* This file is part of the symfony package.
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* sfValidatorTime validates a time. It also converts the input value to a valid time.
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*
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* @package symfony
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* @subpackage validator
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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* @author Fabian Lange <fabian.lange@symfony-project.com>
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* @version SVN: $Id: sfValidatorTime.class.php 23810 2009-11-12 11:07:44Z Kris.Wallsmith $
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*/
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class sfValidatorTime extends sfValidatorBase
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{
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/**
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* Configures the current validator.
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*
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* Available options:
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*
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* * time_format: A regular expression that dates must match
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* * time_output: The format to use when returning a date with time (default to H:i:s)
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* * time_format_error: The date format to use when displaying an error for a bad_format error
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*
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* Available error codes:
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*
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* * bad_format
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*
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* @param array $options An array of options
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* @param array $messages An array of error messages
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*
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* @see sfValidatorBase
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*/
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protected function configure($options = array(), $messages = array())
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{
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$this->addMessage('bad_format', '"%value%" does not match the time format (%time_format%).');
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$this->addOption('time_format', null);
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$this->addOption('time_output', 'H:i:s');
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$this->addOption('time_format_error');
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}
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/**
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* @see sfValidatorBase
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*/
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protected function doClean($value)
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{
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if (is_array($value))
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{
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$clean = $this->convertTimeArrayToTimestamp($value);
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}
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else if ($regex = $this->getOption('time_format'))
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{
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if (!preg_match($regex, $value, $match))
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{
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throw new sfValidatorError($this, 'bad_format', array('value' => $value, 'time_format' => $this->getOption('time_format_error') ? $this->getOption('time_format_error') : $this->getOption('time_format')));
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}
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$clean = $this->convertTimeArrayToTimestamp($match);
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}
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else if (!ctype_digit($value))
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{
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$clean = strtotime($value);
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if (false === $clean)
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{
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throw new sfValidatorError($this, 'invalid', array('value' => $value));
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}
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}
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else
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{
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$clean = (integer) $value;
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}
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return $clean === $this->getEmptyValue() ? $clean : date($this->getOption('time_output'), $clean);
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}
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/**
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* Converts an array representing a time to a timestamp.
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*
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* The array can contains the following keys: hour, minute, second
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*
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* @param array $value An array of date elements
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*
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* @return int A timestamp
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*/
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protected function convertTimeArrayToTimestamp($value)
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{
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// all elements must be empty or a number
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foreach (array('hour', 'minute', 'second') as $key)
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{
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if (isset($value[$key]) && !preg_match('#^\d+$#', $value[$key]) && !empty($value[$key]))
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{
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throw new sfValidatorError($this, 'invalid', array('value' => $value));
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}
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}
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// if second is set, minute and hour must be set
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// if minute is set, hour must be set
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if (
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$this->isValueSet($value, 'second') && (!$this->isValueSet($value, 'minute') || !$this->isValueSet($value, 'hour'))
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||
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$this->isValueSet($value, 'minute') && !$this->isValueSet($value, 'hour')
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)
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{
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throw new sfValidatorError($this, 'invalid', array('value' => $value));
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}
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$clean = mktime(
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isset($value['hour']) ? intval($value['hour']) : 0,
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isset($value['minute']) ? intval($value['minute']) : 0,
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isset($value['second']) ? intval($value['second']) : 0
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);
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if (false === $clean)
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{
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throw new sfValidatorError($this, 'invalid', array('value' => var_export($value, true)));
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}
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return $clean;
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}
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protected function isValueSet($values, $key)
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{
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return isset($values[$key]) && !in_array($values[$key], array(null, ''), true);
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}
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/**
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* @see sfValidatorBase
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*/
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protected function isEmpty($value)
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{
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if (is_array($value))
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{
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// array is not empty when a value is found
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foreach($value as $key => $val)
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{
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// int and string '0' are 'empty' values that are explicitly accepted
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if ($val === 0 || $val === '0' || !empty($val)) return false;
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}
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return true;
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}
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return parent::isEmpty($value);
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}
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}
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