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<?php |
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declare(strict_types=1); |
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/* |
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* citeproc-php |
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* |
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* @link http://github.com/seboettg/citeproc-php for the source repository |
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* @copyright Copyright (c) 2016 Sebastian Böttger. |
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* @license https://opensource.org/licenses/MIT |
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*/ |
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namespace Seboettg\CiteProc\Locale; |
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use InvalidArgumentException; |
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use Seboettg\CiteProc\Config\Locale as LocaleConfig; |
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use Seboettg\CiteProc\Exception\CiteProcException; |
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use Seboettg\Collection\ArrayList as ArrayList; |
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use Seboettg\Collection\ArrayList\ArrayListInterface; |
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use SimpleXMLElement; |
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use stdClass; |
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use function Seboettg\CiteProc\loadLocales; |
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/** |
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* Class Locale |
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* |
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* While localization data can be included in styles, locale files conveniently provide sets of default localization |
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* data, consisting of terms, date formats and grammar options. These default localizations are drawn from the |
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* “locales-xx-XX.xml” located in locales folder (which is included as git submodule). These default locales may be |
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* redefined or supplemented with cs:locale elements, which should be placed in the style sheet directly after the |
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* cs:info element. |
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* |
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* TODO: implement Locale Fallback (http://docs.citationstyles.org/en/stable/specification.html#locale-fallback) |
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* |
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* @package Seboettg\CiteProc\Locale |
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* @author Sebastian Böttger <[email protected]> |
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*/ |
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class Locale |
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{ |
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/** @var SimpleXMLElement */ |
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private $localeXml; |
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/** @var string */ |
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private $language; |
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/** @var ArrayListInterface */ |
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private $options; |
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/** @var ArrayListInterface */ |
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private $date; |
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/** @var ArrayListInterface */ |
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private $terms; |
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/** @var ArrayListInterface */ |
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private $optionsXml; |
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/** @var ArrayListInterface */ |
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private $dateXml; |
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/** @var ArrayListInterface */ |
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private $termsXml; |
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/** @var LocaleParser */ |
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private $localeParser; |
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/** |
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* @param LocaleConfig $localeConfig |
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* @param null $xmlString |
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* @return Locale |
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* @throws CiteProcException |
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*/ |
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public static function factory(LocaleConfig $localeConfig, $xmlString = null): Locale |
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{ |
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$language = (string)$localeConfig; |
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if (!empty($xmlString)) { |
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$localeXml = new SimpleXMLElement($xmlString); |
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} else { |
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$localeXml = new SimpleXMLElement(loadLocales((string)$localeConfig)); |
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} |
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$localeParser = new LocaleParser(); |
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list($options, $optionsXml, $date, $dateXml, $terms, $termsXml) = $localeParser->parse($localeXml); |
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return new Locale( |
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$localeParser, |
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$localeXml, |
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$language, |
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$options, |
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$optionsXml, |
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$date, |
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$dateXml, |
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$terms, |
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$termsXml |
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); |
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} |
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/** |
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* Locale constructor. |
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* @param LocaleParser $localeParser |
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* @param SimpleXMLElement $localeXml |
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* @param string $language |
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* @param ArrayListInterface $options |
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* @param ArrayListInterface $optionsXml |
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* @param ArrayListInterface $date |
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* @param ArrayListInterface $dateXml |
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* @param ArrayListInterface $terms |
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* @param ArrayListInterface $termsXml |
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*/ |
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public function __construct( |
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LocaleParser $localeParser, |
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SimpleXMLElement $localeXml, |
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string $language, |
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ArrayListInterface $options, |
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ArrayListInterface $optionsXml, |
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ArrayListInterface $date, |
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ArrayListInterface $dateXml, |
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ArrayListInterface $terms, |
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ArrayListInterface $termsXml |
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) { |
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$this->localeParser = $localeParser; |
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$this->localeXml = $localeXml; |
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$this->language = $language; |
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$this->options = $options; |
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$this->optionsXml = $optionsXml; |
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$this->date = $date; |
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$this->dateXml = $dateXml; |
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$this->terms = $terms; |
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$this->termsXml = $termsXml; |
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} |
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/** |
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* @param SimpleXMLElement $xml |
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* @return $this |
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*/ |
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public function addXml(SimpleXMLElement $xml): Locale |
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{ |
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$lang = (string) $xml->attributes('http://www.w3.org/XML/1998/namespace')->{'lang'}; |
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if (empty($lang) || $this->getLanguage() === $lang || explode('-', $this->getLanguage())[0] === $lang) { |
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list($this->options, $this->optionsXml, $this->date, $this->dateXml, $this->terms, $this->termsXml) = |
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$this->localeParser->parse( |
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$xml, |
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$this->options, |
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$this->optionsXml, |
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$this->date, |
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$this->dateXml, |
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$this->terms, |
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$this->termsXml |
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); |
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} |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getLanguage(): string |
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{ |
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return $this->language; |
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} |
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/** |
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* @param string $type |
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* @param $name |
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* @param string $form |
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* @return stdClass|null|bool |
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*/ |
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public function filter(string $type, $name, string $form = "long") |
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{ |
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if ('options' === $type) { |
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return $this->option($name); |
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} |
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if (!isset($this->{$type})) { |
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throw new InvalidArgumentException("There is no locale of type \"$type\"."); |
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} |
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/** @var ArrayList $localeList */ |
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$localeList = $this->{$type}; |
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if (is_null($name)) { |
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$name = ""; |
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} |
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//filter by name |
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$array = $localeList->get($name); |
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if (empty($array)) { |
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$ret = new stdClass(); |
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$ret->name = null; |
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$ret->single = null; |
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$ret->multiple = null; |
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return $ret; |
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} |
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//filter by form |
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if ($type !== "options") { |
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/** @var Term $value */ |
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$array = array_filter($array, function ($term) use ($form) { |
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return $term->form === $form; |
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}); |
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} |
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return array_pop($array); |
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} |
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private function option($name) |
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{ |
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$result = null; |
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foreach ($this->options as $key => $value) { |
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if ($key === $name) { |
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if (is_array($value) && isset($value[1]) && is_array($value[1])) { |
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$result = reset($value[1]); |
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} else { |
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$result = reset($value); |
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} |
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} |
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} |
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return $result; |
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} |
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/** |
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* @return ArrayListInterface |
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*/ |
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public function getDateXml(): ?ArrayListInterface |
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{ |
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return $this->dateXml; |
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} |
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} |
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