<?php
namespace MailPoetVendor\Carbon\Traits;
if (!defined('ABSPATH')) exit;
trait Week
{
public function isoWeekYear($year = null, $dayOfWeek = null, $dayOfYear = null)
{
return $this->weekYear($year, $dayOfWeek ?? 1, $dayOfYear ?? 4);
}
public function weekYear($year = null, $dayOfWeek = null, $dayOfYear = null)
{
$dayOfWeek = $dayOfWeek ?? $this->getTranslationMessage('first_day_of_week') ?? 0;
$dayOfYear = $dayOfYear ?? $this->getTranslationMessage('day_of_first_week_of_year') ?? 1;
if ($year !== null) {
$year = (int) \round($year);
if ($this->weekYear(null, $dayOfWeek, $dayOfYear) === $year) {
return $this->avoidMutation();
}
$week = $this->week(null, $dayOfWeek, $dayOfYear);
$day = $this->dayOfWeek;
$date = $this->year($year);
switch ($date->weekYear(null, $dayOfWeek, $dayOfYear) - $year) {
case 1:
$date = $date->subWeeks(26);
break;
case -1:
$date = $date->addWeeks(26);
break;
}
$date = $date->addWeeks($week - $date->week(null, $dayOfWeek, $dayOfYear))->startOfWeek($dayOfWeek);
if ($date->dayOfWeek === $day) {
return $date;
}
return $date->next($day);
}
$year = $this->year;
$day = $this->dayOfYear;
$date = $this->avoidMutation()->dayOfYear($dayOfYear)->startOfWeek($dayOfWeek);
if ($date->year === $year && $day < $date->dayOfYear) {
return $year - 1;
}
$date = $this->avoidMutation()->addYear()->dayOfYear($dayOfYear)->startOfWeek($dayOfWeek);
if ($date->year === $year && $day >= $date->dayOfYear) {
return $year + 1;
}
return $year;
}
public function isoWeeksInYear($dayOfWeek = null, $dayOfYear = null)
{
return $this->weeksInYear($dayOfWeek ?? 1, $dayOfYear ?? 4);
}
public function weeksInYear($dayOfWeek = null, $dayOfYear = null)
{
$dayOfWeek = $dayOfWeek ?? $this->getTranslationMessage('first_day_of_week') ?? 0;
$dayOfYear = $dayOfYear ?? $this->getTranslationMessage('day_of_first_week_of_year') ?? 1;
$year = $this->year;
$start = $this->avoidMutation()->dayOfYear($dayOfYear)->startOfWeek($dayOfWeek);
$startDay = $start->dayOfYear;
if ($start->year !== $year) {
$startDay -= $start->daysInYear;
}
$end = $this->avoidMutation()->addYear()->dayOfYear($dayOfYear)->startOfWeek($dayOfWeek);
$endDay = $end->dayOfYear;
if ($end->year !== $year) {
$endDay += $this->daysInYear;
}
return (int) \round(($endDay - $startDay) / 7);
}
public function week($week = null, $dayOfWeek = null, $dayOfYear = null)
{
$date = $this;
$dayOfWeek = $dayOfWeek ?? $this->getTranslationMessage('first_day_of_week') ?? 0;
$dayOfYear = $dayOfYear ?? $this->getTranslationMessage('day_of_first_week_of_year') ?? 1;
if ($week !== null) {
return $date->addWeeks(\round($week) - $this->week(null, $dayOfWeek, $dayOfYear));
}
$start = $date->avoidMutation()->dayOfYear($dayOfYear)->startOfWeek($dayOfWeek);
$end = $date->avoidMutation()->startOfWeek($dayOfWeek);
if ($start > $end) {
$start = $start->subWeeks(26)->dayOfYear($dayOfYear)->startOfWeek($dayOfWeek);
}
$week = (int) ($start->diffInDays($end) / 7 + 1);
return $week > $end->weeksInYear($dayOfWeek, $dayOfYear) ? 1 : $week;
}
public function isoWeek($week = null, $dayOfWeek = null, $dayOfYear = null)
{
return $this->week($week, $dayOfWeek ?? 1, $dayOfYear ?? 4);
}
}