<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Form\Extension\Core\DataTransformer; use Symfony\Component\Form\Exception\TransformationFailedException; use Symfony\Component\Form\Exception\UnexpectedTypeException; /** * Transforms between a normalized time and a localized time string/array. * * @author Bernhard Schussek <bschussek@gmail.com> * @author Florian Eckerstorfer <florian@eckerstorfer.org> */ class DateTimeToArrayTransformer extends BaseDateTimeTransformer { private $pad; private $fields; /** * Constructor. * * @param string $inputTimezone The input timezone * @param string $outputTimezone The output timezone * @param array $fields The date fields * @param Boolean $pad Whether to use padding * * @throws UnexpectedTypeException if a timezone is not a string */ public function __construct($inputTimezone = null, $outputTimezone = null, array $fields = null, $pad = false) { parent::__construct($inputTimezone, $outputTimezone); if (null === $fields) { $fields = array('year', 'month', 'day', 'hour', 'minute', 'second'); } $this->fields = $fields; $this->pad = (Boolean) $pad; } /** * Transforms a normalized date into a localized date. * * @param \DateTime $dateTime Normalized date. * * @return array Localized date. * * @throws TransformationFailedException If the given value is not an * instance of \DateTime or if the * output timezone is not supported. */ public function transform($dateTime) { if (null === $dateTime) { return array_intersect_key(array( 'year' => '', 'month' => '', 'day' => '', 'hour' => '', 'minute' => '', 'second' => '', ), array_flip($this->fields)); } if (!$dateTime instanceof \DateTime) { throw new TransformationFailedException('Expected a \DateTime.'); } $dateTime = clone $dateTime; if ($this->inputTimezone !== $this->outputTimezone) { try { $dateTime->setTimezone(new \DateTimeZone($this->outputTimezone)); } catch (\Exception $e) { throw new TransformationFailedException($e->getMessage(), $e->getCode(), $e); } } $result = array_intersect_key(array( 'year' => $dateTime->format('Y'), 'month' => $dateTime->format('m'), 'day' => $dateTime->format('d'), 'hour' => $dateTime->format('H'), 'minute' => $dateTime->format('i'), 'second' => $dateTime->format('s'), ), array_flip($this->fields)); if (!$this->pad) { foreach ($result as &$entry) { // remove leading zeros $entry = (string) (int) $entry; } } return $result; } /** * Transforms a localized date into a normalized date. * * @param array $value Localized date * * @return \DateTime Normalized date * * @throws TransformationFailedException If the given value is not an array, * if the value could not be transformed * or if the input timezone is not * supported. */ public function reverseTransform($value) { if (null === $value) { return null; } if (!is_array($value)) { throw new TransformationFailedException('Expected an array.'); } if ('' === implode('', $value)) { return null; } $emptyFields = array(); foreach ($this->fields as $field) { if (!isset($value[$field])) { $emptyFields[] = $field; } } if (count($emptyFields) > 0) { throw new TransformationFailedException( sprintf('The fields "%s" should not be empty', implode('", "', $emptyFields) )); } if (isset($value['month']) && !ctype_digit((string) $value['month'])) { throw new TransformationFailedException('This month is invalid'); } if (isset($value['day']) && !ctype_digit((string) $value['day'])) { throw new TransformationFailedException('This day is invalid'); } if (isset($value['year']) && !ctype_digit((string) $value['year'])) { throw new TransformationFailedException('This year is invalid'); } if (!empty($value['month']) && !empty($value['day']) && !empty($value['year']) && false === checkdate($value['month'], $value['day'], $value['year'])) { throw new TransformationFailedException('This is an invalid date'); } if (isset($value['hour']) && !ctype_digit((string) $value['hour'])) { throw new TransformationFailedException('This hour is invalid'); } if (isset($value['minute']) && !ctype_digit((string) $value['minute'])) { throw new TransformationFailedException('This minute is invalid'); } if (isset($value['second']) && !ctype_digit((string) $value['second'])) { throw new TransformationFailedException('This second is invalid'); } try { $dateTime = new \DateTime(sprintf( '%s-%s-%s %s:%s:%s %s', empty($value['year']) ? '1970' : $value['year'], empty($value['month']) ? '1' : $value['month'], empty($value['day']) ? '1' : $value['day'], empty($value['hour']) ? '0' : $value['hour'], empty($value['minute']) ? '0' : $value['minute'], empty($value['second']) ? '0' : $value['second'], $this->outputTimezone )); if ($this->inputTimezone !== $this->outputTimezone) { $dateTime->setTimezone(new \DateTimeZone($this->inputTimezone)); } } catch (\Exception $e) { throw new TransformationFailedException($e->getMessage(), $e->getCode(), $e); } return $dateTime; } }