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function date_calendar_week_range in Date 8

Calculates the start and end dates for a calendar week.

The dates are adjusted to use the chosen first day of week for this site.

Parameters

int $week: The week value.

int $year: The year value.

Return value

array An array containing the start and end dates of a week.

2 calls to date_calendar_week_range()
DateAPITest::testDateAPI in date_api/lib/Drupal/date_api/Tests/DateAPITest.php
@todo.
DateSqlHandler::complete_date in date_api/lib/Drupal/date_api/DateSqlHandler.php
Create a complete datetime value out of an incomplete array of selected values.

File

date_api/date_api.module, line 746
This module will make the date API available to other modules. Designed to provide a light but flexible assortment of functions and constants, with more functionality in additional files that are not loaded unless other modules specifically include them.

Code

function date_calendar_week_range($week, $year) {
  $min_date = new DrupalDateTime($year . '-01-01 00:00:00');

  // Move to the right week.
  date_modify($min_date, '+' . strval(7 * ($week - 1)) . ' days');

  // Move backwards to the first day of the week.
  $first_day = variable_get('date_first_day', 0);
  $day_wday = date_format($min_date, 'w');
  date_modify($min_date, '-' . strval((7 + $day_wday - $first_day) % 7) . ' days');

  // Move forwards to the last day of the week.
  $max_date = clone $min_date;
  date_modify($max_date, '+7 days');
  if (date_format($min_date, 'Y') != $year) {
    $min_date = new DrupalDateTime($year . '-01-01 00:00:00');
  }
  return array(
    $min_date,
    $max_date,
  );
}