Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Datetime/DateHelper.php \Drupal\Core\Datetime\DateHelper::daysInMonth()
2. 10 core/lib/Drupal/Core/Datetime/DateHelper.php \Drupal\Core\Datetime\DateHelper::daysInMonth()
3. 11.x core/lib/Drupal/Core/Datetime/DateHelper.php \Drupal\Core\Datetime\DateHelper::daysInMonth()

Identifies the number of days in a month for a date.

Parameters

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

Return value

int The number of days in the month.

File

core/lib/Drupal/Core/Datetime/DateHelper.php, line 455

Class

DateHelper

Defines Gregorian Calendar date values.

Namespace

Drupal\Core\Datetime

Code

public static function daysInMonth($date = NULL) {
    if (!$date instanceof DrupalDateTime) {
        $date = new DrupalDateTime($date);
    }
    if (!$date->hasErrors()) {
        return $date->format('t');
    }
    return NULL;
}

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