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<?php
namespace Recurrence\Constraint\DatetimeConstraint;
use Recurrence\Constraint\RecurrenceConstraintInterface;
use Recurrence\Model\Recurrence;
class ExcludeDaysOfWeekConstraint implements DatetimeConstraintInterface, RecurrenceConstraintInterface
{
private array $excludedDays = [];
public function __construct(array $excludedDays = [])
$excludedDays = array_unique($excludedDays);
sort($excludedDays);
if (count($excludedDays) >= 7) {
throw new \InvalidArgumentException('At least one day of the week must be allowed');
}
foreach ($excludedDays as $excludedDay) {
$excludedDay = filter_var($excludedDay, FILTER_VALIDATE_INT);
if (!$excludedDay || $excludedDay < 1 || $excludedDay > 7) {
throw new \InvalidArgumentException('Exclude day must be an integer between 1 and 7');
$this->excludedDays[] = $excludedDay;
public function apply(Recurrence $recurrence, \Datetime $datetime): \Datetime
while (in_array((int) $datetime->format('N'), $this->excludedDays)) {
$datetime->modify('+1 day');
return $datetime;
Samffy /
recurrence
