NullDataHelper.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\MetaData\DataHelper;
 
class NullDataHelper implements DataHelperInterface
{
    public function matchesDurationPattern(string $string): bool
    {
        return false;
    }
 
    public function matchesDatetimePattern(string $string): bool
    {
        return false;
    }
 
    public function durationToIterator(string $duration): \Generator
    {
        yield from [];
    }
 
    public function durationToSeconds(string $duration): int
    {
        return 0;
    }
 
    public function datetimeToIterator(string $datetime): \Generator
    {
        yield from [];
    }
 
    public function datetimeToObject(string $datetime): \DateTimeImmutable
    {
        return new \DateTimeImmutable('@0');
    }
 
    public function durationFromIntegers(
        ?int $years,
        ?int $months,
        ?int $days,
        ?int $hours,
        ?int $minutes,
        ?int $seconds
    ): string {
        return '';
    }
 
    public function datetimeFromObject(\DateTimeImmutable $object): string
    {
        return '';
    }
 
    public function getAllLanguages(): \Generator
    {
        yield from [];
    }
}