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<?php
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/**
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* @file
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* Definition of views_handler_field_date.
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*/
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/**
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* A handler to provide proper displays for dates.
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*
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* This may be used on table fields that hold either UNIX timestamps or SQL
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* datetime strings.
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*
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* @ingroup views_field_handlers
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*/
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class views_handler_field_date extends views_handler_field {
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/**
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* {@inheritdoc}
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*/
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public function option_definition() {
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$options = parent::option_definition();
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$options['date_format'] = array('default' => 'small');
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$options['custom_date_format'] = array('default' => '');
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$options['second_date_format_custom'] = array('default' => '');
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$options['second_date_format'] = array('default' => 'small');
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$options['timezone'] = array('default' => '');
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return $options;
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}
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/**
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* {@inheritdoc}
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*/
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public function options_form(&$form, &$form_state) {
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$date_formats = array();
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$date_types = system_get_date_types();
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foreach ($date_types as $key => $value) {
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$date_formats[$value['type']] = t('@date_format format', array('@date_format' => $value['title'])) . ': ' . format_date(REQUEST_TIME, $value['type']);
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}
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$form['date_format'] = array(
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'#type' => 'select',
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'#title' => t('Date format'),
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'#options' => $date_formats + array(
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'custom' => t('Custom'),
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'raw time ago' => t('Time ago'),
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'time ago' => t('Time ago (with "ago" appended)'),
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'today time ago' => t('Time ago (with "ago" appended) for today\'s date, but not for other dates'),
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'raw time hence' => t('Time hence'),
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'time hence' => t('Time hence (with "hence" appended)'),
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'raw time span' => t('Time span (future dates have "-" prepended)'),
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'inverse time span' => t('Time span (past dates have "-" prepended)'),
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'time span' => t('Time span (with "ago/hence" appended)'),
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),
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'#default_value' => isset($this->options['date_format']) ? $this->options['date_format'] : 'small',
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);
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$form['custom_date_format'] = array(
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'#type' => 'textfield',
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'#title' => t('Custom date format'),
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'#description' => t('If "Custom", see the <a href="@url" target="_blank">PHP manual</a> for date formats. Otherwise, enter the number of different time units to display, which defaults to 2.', array('@url' => 'http://php.net/manual/function.date.php')),
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'#default_value' => isset($this->options['custom_date_format']) ? $this->options['custom_date_format'] : '',
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'#dependency' => array(
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'edit-options-date-format' => $this->supported_date_types(),
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),
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);
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$form['second_date_format'] = array(
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'#type' => 'select',
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'#title' => t('Second date format'),
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'#options' => $date_formats + array(
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'custom' => t('Custom'),
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),
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'#description' => t('The date format which will be used for rendering dates other than today.'),
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'#default_value' => isset($this->options['second_date_format']) ? $this->options['second_date_format'] : 'small',
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'#dependency' => array(
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'edit-options-date-format' => array('today time ago'),
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),
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);
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$form['second_date_format_custom'] = array(
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'#type' => 'textfield',
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'#title' => t('Custom date format of second date'),
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'#description' => t('If "Custom" is selected in "Second date format", see the <a href="@url" target="_blank">PHP manual</a> for date formats. Otherwise, enter the number of different time units to display, which defaults to 2.', array('@url' => 'http://php.net/manual/function.date.php')),
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'#default_value' => isset($this->options['second_date_format_custom']) ? $this->options['second_date_format_custom'] : '',
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// We have to use states instead of ctools dependency because dependency
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// doesn't handle multiple conditions.
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'#states' => array(
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'visible' => array(
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'#edit-options-date-format' => array('value' => 'today time ago'),
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'#edit-options-second-date-format' => array('value' => 'custom'),
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),
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),
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// We have to use ctools dependency too because states doesn't add the
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// correct left margin to the element's wrapper.
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'#dependency' => array(
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// This condition is handled by form API's states.
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// 'edit-options-date-format' => array('today time ago'),
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'edit-options-second-date-format' => array('custom'),
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),
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);
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$form['timezone'] = array(
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'#type' => 'select',
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'#title' => t('Timezone'),
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'#description' => t('Timezone to be used for date output.'),
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'#options' => array(
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'' => t('- Default site/user timezone -'),
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) + system_time_zones(FALSE),
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'#default_value' => $this->options['timezone'],
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'#dependency' => array(
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'edit-options-date-format' => array_merge(array('custom'), array_keys($date_formats)),
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),
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);
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parent::options_form($form, $form_state);
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}
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/**
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* Provide a list of all of the supported standard date types.
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*
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* @return array
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* The list of supported formats.
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*/
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private function supported_date_types() {
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return array(
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'custom',
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'raw time ago',
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'time ago',
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'today time ago',
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'raw time hence',
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'time hence',
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'raw time span',
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'time span',
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'raw time span',
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'inverse time span',
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'time span',
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function render($values) {
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$value = $this->get_value($values);
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if (!is_numeric($value)) {
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// If the value isn't numeric, assume it's an SQL DATETIME.
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$value = strtotime($value);
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}
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$format = $this->options['date_format'];
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if (in_array($format, $this->supported_date_types())) {
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$custom_format = $this->options['custom_date_format'];
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}
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if ($value) {
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$timezone = !empty($this->options['timezone']) ? $this->options['timezone'] : NULL;
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// Will be positive for a datetime in the past (ago), and negative for a
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// datetime in the future (hence).
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$time_diff = REQUEST_TIME - $value;
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switch ($format) {
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case 'raw time ago':
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return format_interval($time_diff, is_numeric($custom_format) ? $custom_format : 2);
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case 'time ago':
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$t_args = array(
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'%time' => format_interval($time_diff, is_numeric($custom_format) ? $custom_format : 2),
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);
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return t('%time ago', $t_args);
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case 'today time ago':
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$second_format = $this->options['second_date_format'];
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$second_custom_format = $this->options['second_date_format_custom'];
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if (format_date(REQUEST_TIME, 'custom', 'Y-m-d', $timezone) == format_date($value, 'custom', 'Y-m-d', $timezone)) {
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return t('%time ago', array('%time' => format_interval($time_diff, is_numeric($custom_format) ? $custom_format : 2)));
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}
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elseif ($second_format == 'custom') {
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if ($second_custom_format == 'r') {
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return format_date($value, $second_format, $second_custom_format, $timezone, 'en');
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}
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return format_date($value, $second_format, $second_custom_format, $timezone);
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}
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else {
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return format_date($value, $this->options['second_date_format'], '', $timezone);
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}
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case 'raw time hence':
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return format_interval(-$time_diff, is_numeric($custom_format) ? $custom_format : 2);
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case 'time hence':
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return t('%time hence', array('%time' => format_interval(-$time_diff, is_numeric($custom_format) ? $custom_format : 2)));
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case 'raw time span':
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return ($time_diff < 0 ? '-' : '') . format_interval(abs($time_diff), is_numeric($custom_format) ? $custom_format : 2);
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case 'inverse time span':
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return ($time_diff > 0 ? '-' : '') . format_interval(abs($time_diff), is_numeric($custom_format) ? $custom_format : 2);
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case 'time span':
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return t(($time_diff < 0 ? '%time hence' : '%time ago'), array('%time' => format_interval(abs($time_diff), is_numeric($custom_format) ? $custom_format : 2)));
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case 'custom':
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if ($custom_format == 'r') {
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return format_date($value, $format, $custom_format, $timezone, 'en');
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}
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return format_date($value, $format, $custom_format, $timezone);
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default:
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return format_date($value, $format, '', $timezone);
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}
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}
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}
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}
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