PHP Range::getDateStart方法代码示例

 /**
  * Returns true if it is likely that the data for this report has been purged and if the
  * user should be told about that.
  *
  * In order for this function to return true, the following must also be true:
  * - The data table for this report must either be empty or not have been fetched.
  * - The period of this report is not a multiple period.
  * - The date of this report must be older than the delete_reports_older_than config option.
  * @param  DataTableInterface $dataTable
  * @return bool
  */
 public static function hasReportBeenPurged($dataTable)
 {
     $strPeriod = Common::getRequestVar('period', false);
     $strDate = Common::getRequestVar('date', false);
     if (false !== $strPeriod && false !== $strDate && (is_null($dataTable) || !empty($dataTable) && $dataTable->getRowsCount() == 0)) {
         // if range, only look at the first date
         if ($strPeriod == 'range') {
             $idSite = Common::getRequestVar('idSite', '');
             if (intval($idSite) != 0) {
                 $site = new Site($idSite);
                 $timezone = $site->getTimezone();
             } else {
                 $timezone = 'UTC';
             }
             $period = new Range('range', $strDate, $timezone);
             $reportDate = $period->getDateStart();
         } elseif (Period::isMultiplePeriod($strDate, $strPeriod)) {
             // if a multiple period, this function is irrelevant
             return false;
         } else {
             // otherwise, use the date as given
             $reportDate = Date::factory($strDate);
         }
         $reportYear = $reportDate->toString('Y');
         $reportMonth = $reportDate->toString('m');
         if (static::shouldReportBePurged($reportYear, $reportMonth)) {
             return true;
         }
     }
     return false;
 }

 /**
  * Returns a date range string given a period type, end date and number of periods
  * the range spans over.
  *
  * @param string $period The sub period type, `'day'`, `'week'`, `'month'` and `'year'`.
  * @param int $lastN The number of periods of type `$period` that the result range should
  *                   span.
  * @param string $endDate The desired end date of the range.
  * @param Site $site The site whose timezone should be used.
  * @return string The date range string, eg, `'2012-01-02,2013-01-02'`.
  * @api
  */
 public static function getRelativeToEndDate($period, $lastN, $endDate, $site)
 {
     $last30Relative = new Range($period, $lastN, $site->getTimezone());
     $last30Relative->setDefaultEndDate(Date::factory($endDate));
     $date = $last30Relative->getDateStart()->toString() . "," . $last30Relative->getDateEnd()->toString();
     return $date;
 }

 /**
  * Assigns variables to {@link Piwik\View} instances that display an entire page.
  *
  * The following variables assigned:
  *
  * **date** - The value of the **date** query parameter.
  * **idSite** - The value of the **idSite** query parameter.
  * **rawDate** - The value of the **date** query parameter.
  * **prettyDate** - A pretty string description of the current period.
  * **siteName** - The current site's name.
  * **siteMainUrl** - The URL of the current site.
  * **startDate** - The start date of the current period. A {@link Piwik\Date} instance.
  * **endDate** - The end date of the current period. A {@link Piwik\Date} instance.
  * **language** - The current language's language code.
  * **config_action_url_category_delimiter** - The value of the `[General] action_url_category_delimiter`
  *                                            INI config option.
  * **topMenu** - The result of `MenuTop::getInstance()->getMenu()`.
  *
  * As well as the variables set by {@link setPeriodVariablesView()}.
  *
  * Will exit on error.
  *
  * @param View $view
  * @return void
  * @api
  */
 protected function setGeneralVariablesView($view)
 {
     $view->idSite = $this->idSite;
     $this->checkSitePermission();
     $this->setPeriodVariablesView($view);
     $view->siteName = $this->site->getName();
     $view->siteMainUrl = $this->site->getMainUrl();
     $siteTimezone = $this->site->getTimezone();
     $datetimeMinDate = $this->site->getCreationDate()->getDatetime();
     $minDate = Date::factory($datetimeMinDate, $siteTimezone);
     $this->setMinDateView($minDate, $view);
     $maxDate = Date::factory('now', $siteTimezone);
     $this->setMaxDateView($maxDate, $view);
     $rawDate = Common::getRequestVar('date');
     Period::checkDateFormat($rawDate);
     $periodStr = Common::getRequestVar('period');
     if ($periodStr != 'range') {
         $date = Date::factory($this->strDate);
         $validDate = $this->getValidDate($date, $minDate, $maxDate);
         $period = Period\Factory::build($periodStr, $validDate);
         if ($date->toString() !== $validDate->toString()) {
             // we to not always change date since it could convert a strDate "today" to "YYYY-MM-DD"
             // only change $this->strDate if it was not valid before
             $this->setDate($validDate);
         }
     } else {
         $period = new Range($periodStr, $rawDate, $siteTimezone);
     }
     // Setting current period start & end dates, for pre-setting the calendar when "Date Range" is selected
     $dateStart = $period->getDateStart();
     $dateStart = $this->getValidDate($dateStart, $minDate, $maxDate);
     $dateEnd = $period->getDateEnd();
     $dateEnd = $this->getValidDate($dateEnd, $minDate, $maxDate);
     if ($periodStr == 'range') {
         // make sure we actually display the correct calendar pretty date
         $newRawDate = $dateStart->toString() . ',' . $dateEnd->toString();
         $period = new Range($periodStr, $newRawDate, $siteTimezone);
     }
     $view->date = $this->strDate;
     $view->prettyDate = self::getCalendarPrettyDate($period);
     $view->prettyDateLong = $period->getLocalizedLongString();
     $view->rawDate = $rawDate;
     $view->startDate = $dateStart;
     $view->endDate = $dateEnd;
     $language = LanguagesManager::getLanguageForSession();
     $view->language = !empty($language) ? $language : LanguagesManager::getLanguageCodeForCurrentUser();
     $this->setBasicVariablesView($view);
     $view->topMenu = MenuTop::getInstance()->getMenu();
     $view->adminMenu = MenuAdmin::getInstance()->getMenu();
     $notifications = $view->notifications;
     if (empty($notifications)) {
         $view->notifications = NotificationManager::getAllNotificationsToDisplay();
         NotificationManager::cancelAllNonPersistent();
     }
 }