public static function DateHelper::dayOfWeek

Returns day of week for a given date (0 = Sunday).

Parameters

mixed $date: (optional) A date object, timestamp, or a date string. Defaults to NULL, which means use the current date.

Return value

int The number of the day in the week.

1 call to DateHelper::dayOfWeek()
DateHelper::dayOfWeekName in drupal/core/modules/datetime/lib/Drupal/datetime/DateHelper.php
Returns translated name of the day of week for a given date.

File

drupal/core/modules/datetime/lib/Drupal/datetime/DateHelper.php, line 494
Contains \Drupal\datetime\DateHelper.

Class

DateHelper
Defines Gregorian Calendar date values.

Namespace

Drupal\datetime

Code

public static function dayOfWeek($date = NULL) {
  if (!$date instanceof DrupalDateTime) {
    $date = new DrupalDateTime($date);
  }
  if (!$date
    ->hasErrors()) {
    return $date
      ->format('w');
  }
  return NULL;
}