250 lines
9.1 KiB
PHP
250 lines
9.1 KiB
PHP
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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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*
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* (c) Fabien Potencier <fabien@symfony.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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namespace Symfony\Component\Form\Extension\Core\Type;
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use Symfony\Component\Form\AbstractType;
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use Symfony\Component\Form\FormInterface;
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use Symfony\Component\Form\FormBuilderInterface;
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use Symfony\Component\Form\Exception\CreationException;
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use Symfony\Component\Form\FormViewInterface;
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use Symfony\Component\Form\Extension\Core\DataTransformer\DateTimeToLocalizedStringTransformer;
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use Symfony\Component\Form\Extension\Core\DataTransformer\DateTimeToArrayTransformer;
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use Symfony\Component\Form\Extension\Core\DataTransformer\DateTimeToStringTransformer;
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use Symfony\Component\Form\Extension\Core\DataTransformer\DateTimeToTimestampTransformer;
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use Symfony\Component\Form\ReversedTransformer;
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use Symfony\Component\OptionsResolver\Options;
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use Symfony\Component\OptionsResolver\OptionsResolverInterface;
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class DateType extends AbstractType
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{
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const DEFAULT_FORMAT = \IntlDateFormatter::MEDIUM;
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/**
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* {@inheritdoc}
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*/
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public function buildForm(FormBuilderInterface $builder, array $options)
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{
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$format = $options['format'];
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$pattern = null;
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$allowedFormats = array(
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\IntlDateFormatter::FULL,
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\IntlDateFormatter::LONG,
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\IntlDateFormatter::MEDIUM,
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\IntlDateFormatter::SHORT,
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);
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// If $format is not in the allowed options, it's considered as the pattern of the formatter if it is a string
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if (!in_array($format, $allowedFormats, true)) {
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if (is_string($format)) {
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$format = self::DEFAULT_FORMAT;
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$pattern = $options['format'];
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} else {
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throw new CreationException('The "format" option must be one of the IntlDateFormatter constants (FULL, LONG, MEDIUM, SHORT) or a string representing a custom pattern');
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}
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}
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$formatter = new \IntlDateFormatter(
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\Locale::getDefault(),
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$format,
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\IntlDateFormatter::NONE,
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'UTC',
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\IntlDateFormatter::GREGORIAN,
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$pattern
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);
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$formatter->setLenient(false);
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if ('single_text' === $options['widget']) {
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$builder->addViewTransformer(new DateTimeToLocalizedStringTransformer($options['data_timezone'], $options['user_timezone'], $format, \IntlDateFormatter::NONE, \IntlDateFormatter::GREGORIAN, $pattern));
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} else {
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$yearOptions = $monthOptions = $dayOptions = array();
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if ('choice' === $options['widget']) {
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if (is_array($options['empty_value'])) {
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$options['empty_value'] = array_merge(array('year' => null, 'month' => null, 'day' => null), $options['empty_value']);
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} else {
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$options['empty_value'] = array('year' => $options['empty_value'], 'month' => $options['empty_value'], 'day' => $options['empty_value']);
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}
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$years = $months = $days = array();
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foreach ($options['years'] as $year) {
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$years[$year] = str_pad($year, 4, '0', STR_PAD_LEFT);
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}
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foreach ($options['months'] as $month) {
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$months[$month] = str_pad($month, 2, '0', STR_PAD_LEFT);
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}
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foreach ($options['days'] as $day) {
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$days[$day] = str_pad($day, 2, '0', STR_PAD_LEFT);
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}
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// Only pass a subset of the options to children
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$yearOptions = array(
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'choices' => $years,
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'empty_value' => $options['empty_value']['year'],
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);
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$monthOptions = array(
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'choices' => $this->formatMonths($formatter, $months),
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'empty_value' => $options['empty_value']['month'],
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);
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$dayOptions = array(
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'choices' => $days,
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'empty_value' => $options['empty_value']['day'],
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);
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// Append generic carry-along options
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foreach (array('required', 'translation_domain') as $passOpt) {
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$yearOptions[$passOpt] = $monthOptions[$passOpt] = $dayOptions[$passOpt] = $options[$passOpt];
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}
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}
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$builder
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->add('year', $options['widget'], $yearOptions)
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->add('month', $options['widget'], $monthOptions)
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->add('day', $options['widget'], $dayOptions)
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->addViewTransformer(new DateTimeToArrayTransformer(
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$options['data_timezone'], $options['user_timezone'], array('year', 'month', 'day')
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))
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;
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}
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if ('string' === $options['input']) {
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$builder->addModelTransformer(new ReversedTransformer(
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new DateTimeToStringTransformer($options['data_timezone'], $options['data_timezone'], 'Y-m-d')
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));
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} elseif ('timestamp' === $options['input']) {
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$builder->addModelTransformer(new ReversedTransformer(
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new DateTimeToTimestampTransformer($options['data_timezone'], $options['data_timezone'])
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));
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} elseif ('array' === $options['input']) {
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$builder->addModelTransformer(new ReversedTransformer(
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new DateTimeToArrayTransformer($options['data_timezone'], $options['data_timezone'], array('year', 'month', 'day'))
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));
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}
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$builder->setAttribute('formatter', $formatter);
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}
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/**
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* {@inheritdoc}
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*/
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public function finishView(FormViewInterface $view, FormInterface $form, array $options)
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{
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$view->setVar('widget', $options['widget']);
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if ('single_text' === $options['widget']) {
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$view->setVar('type', 'date');
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}
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if (count($view) > 0) {
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$pattern = $form->getConfig()->getAttribute('formatter')->getPattern();
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// set right order with respect to locale (e.g.: de_DE=dd.MM.yy; en_US=M/d/yy)
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// lookup various formats at http://userguide.icu-project.org/formatparse/datetime
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if (preg_match('/^([yMd]+).+([yMd]+).+([yMd]+)$/', $pattern)) {
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$pattern = preg_replace(array('/y+/', '/M+/', '/d+/'), array('{{ year }}', '{{ month }}', '{{ day }}'), $pattern);
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} else {
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// default fallback
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$pattern = '{{ year }}-{{ month }}-{{ day }}';
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}
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$view->setVar('date_pattern', $pattern);
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function setDefaultOptions(OptionsResolverInterface $resolver)
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{
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$compound = function (Options $options) {
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return $options['widget'] !== 'single_text';
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};
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$resolver->setDefaults(array(
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'years' => range(date('Y') - 5, date('Y') + 5),
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'months' => range(1, 12),
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'days' => range(1, 31),
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'widget' => 'choice',
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'input' => 'datetime',
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'format' => self::DEFAULT_FORMAT,
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'data_timezone' => null,
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'user_timezone' => null,
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'empty_value' => null,
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// Don't modify \DateTime classes by reference, we treat
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// them like immutable value objects
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'by_reference' => false,
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'error_bubbling' => false,
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// If initialized with a \DateTime object, FormType initializes
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// this option to "\DateTime". Since the internal, normalized
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// representation is not \DateTime, but an array, we need to unset
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// this option.
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'data_class' => null,
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'compound' => $compound,
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));
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$resolver->setAllowedValues(array(
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'input' => array(
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'datetime',
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'string',
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'timestamp',
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'array',
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),
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'widget' => array(
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'single_text',
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'text',
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'choice',
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),
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));
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}
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/**
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* {@inheritdoc}
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*/
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public function getParent()
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{
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return 'field';
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}
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/**
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* {@inheritdoc}
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*/
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public function getName()
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{
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return 'date';
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}
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private function formatMonths(\IntlDateFormatter $formatter, array $months)
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{
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$pattern = $formatter->getPattern();
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$timezone = $formatter->getTimezoneId();
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$formatter->setTimezoneId(\DateTimeZone::UTC);
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if (preg_match('/M+/', $pattern, $matches)) {
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$formatter->setPattern($matches[0]);
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foreach ($months as $key => $value) {
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$months[$key] = $formatter->format(gmmktime(0, 0, 0, $key, 15));
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}
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// I'd like to clone the formatter above, but then we get a
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// segmentation fault, so let's restore the old state instead
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$formatter->setPattern($pattern);
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}
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$formatter->setTimezoneId($timezone);
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return $months;
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}
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}
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