Cake\Chronos\Traits\ModifierTrait::firstOfYear PHP Метод

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firstOfYear() публичный Метод

Modify to the first occurrence of a given day of the week in the current year. If no dayOfWeek is provided, modify to the first day of the current year. Use the supplied consts to indicate the desired dayOfWeek, ex. ChronosInterface::MONDAY.

public firstOfYear ( integer \| null $dayOfWeek = null ) : mixed
$dayOfWeek	integer \| null	The day of the week to move to.
Результат	mixed

    public function firstOfYear($dayOfWeek = null)
    {
        $day = $dayOfWeek === null ? 'day' : static::$days[$dayOfWeek];
        return $this->modify("first {$day} of january, midnight");
    }

ModifierTrait

addDay

addDays

addHour

addHours

addMinute

addMinutes

addMonth

addMonthWithOverflow

addMonths

addMonthsWithOverflow

addSecond