Spatie\Backup\Tasks\Cleanup\Strategies\DefaultStrategy::groupByDateFormat PHP Method

groupByDateFormat() protected method

protected groupByDateFormat ( Collection $backups, string $dateFormat ) : Collection
$backups Illuminate\Support\Collection
$dateFormat string
return Illuminate\Support\Collection
    protected function groupByDateFormat(Collection $backups, string $dateFormat) : Collection
    {
        return $backups->groupBy(function (Backup $backup) use($dateFormat) {
            return $backup->date()->format($dateFormat);
        });
    }