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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * League.Period (https://period.thephpleague.com).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * (c) Ignace Nyamagana Butera <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * For the full copyright and license information, please view the LICENSE  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * file that was distributed with this source code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace League\Period;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use DateInterval;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use DatePeriod;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use DateTimeImmutable;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use DateTimeInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use DateTimeZone;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use JsonSerializable;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use function intdiv;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * A immutable value object class to manipulate Time interval.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package League.period  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author  Ignace Nyamagana Butera <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since   1.0.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                final class Period implements JsonSerializable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private const ISO8601_FORMAT = 'Y-m-d\TH:i:s.u\Z';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public const CALENDAR_YEAR = 'YEAR';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public const CALENDAR_ISOYEAR = 'ISOYEAR';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public const CALENDAR_SEMESTER = 'SEMESTER';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public const CALENDAR_QUARTER = 'QUARTER';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public const CALENDAR_MONTH = 'MONTH';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public const CALENDAR_ISOWEEK = 'ISOWEEK';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public const CALENDAR_DAY = 'DAY';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public const CALENDAR_HOUR = 'HOUR';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public const CALENDAR_MINUTE = 'MINUTE';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public const CALENDAR_SECOND = 'SECOND';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * The starting included datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var DateTimeImmutable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $startDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * The ending excluded datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var DateTimeImmutable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $endDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function __set_state(array $interval)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new self($interval['startDate'], $interval['endDate']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             255                          | 
                
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Creates new instance from a starting datepoint and a duration.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function after($datepoint, $duration): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $datepoint = Datepoint::create($datepoint);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new self($datepoint, $datepoint->add(Duration::create($duration)));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Creates new instance from a ending datepoint and a duration.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function before($datepoint, $duration): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $datepoint = Datepoint::create($datepoint);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new self($datepoint->sub(Duration::create($duration)), $datepoint);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Creates new instance where the given duration is simultaneously  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * substracted from and added to the datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function around($datepoint, $duration): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $datepoint = Datepoint::create($datepoint);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $duration = Duration::create($duration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new self($datepoint->sub($duration), $datepoint->add($duration));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Creates new instance for a specific year.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function fromYear(int $year): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $startDate = (new DateTimeImmutable())->setDate($year, 1, 1)->setTime(0, 0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new self($startDate, $startDate->add(new DateInterval('P1Y'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Creates new instance for a specific ISO year.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function fromIsoYear(int $year): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new self(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            (new DateTimeImmutable())->setISODate($year, 1)->setTime(0, 0),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            (new DateTimeImmutable())->setISODate(++$year, 1)->setTime(0, 0)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Creates new instance for a specific year and semester.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function fromSemester(int $year, int $semester = 1): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $month = (($semester - 1) * 6) + 1;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $startDate = (new DateTimeImmutable())->setDate($year, $month, 1)->setTime(0, 0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new self($startDate, $startDate->add(new DateInterval('P6M'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             138                          | 
                
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             138                          | 
                
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Creates new instance for a specific year and quarter.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function fromQuarter(int $year, int $quarter = 1): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                        $month = (($quarter - 1) * 3) + 1;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                        $startDate = (new DateTimeImmutable())->setDate($year, $month, 1)->setTime(0, 0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($startDate, $startDate->add(new DateInterval('P3M'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                     * Creates new instance for a specific year and month.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                    public static function fromMonth(int $year, int $month = 1): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                        $startDate = (new DateTimeImmutable())->setDate($year, $month, 1)->setTime(0, 0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                             177                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($startDate, $startDate->add(new DateInterval('P1M'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                             177                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                             27                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                     * Creates new instance for a specific ISO8601 week.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                             165                          | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                             30                          | 
                
                 | 
                    public static function fromIsoWeek(int $year, int $week = 1): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                        $startDate = (new DateTimeImmutable())->setISODate($year, $week, 1)->setTime(0, 0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                             153                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($startDate, $startDate->add(new DateInterval('P7D'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                     * Creates new instance for a specific year, month and day.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                    public static function fromDay(int $year, int $month = 1, int $day = 1): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                        $startDate = (new DateTimeImmutable())->setDate($year, $month, $day)->setTime(0, 0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($startDate, $startDate->add(new DateInterval('P1D'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    171
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                     * Creates new instance for a specific year, month, day and hour.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    175
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                    public static function fromHour(int $year, int $month = 1, int $day = 1, int $hour = 0): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    177
                 | 
                                    
                             24                          | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    178
                 | 
                                    
                                                     | 
                
                 | 
                        $startDate = (new DateTimeImmutable())->setDate($year, $month, $day)->setTime($hour, 0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    179
                 | 
                                    
                             24                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    180
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($startDate, $startDate->add(new DateInterval('PT1H'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    181
                 | 
                                    
                             24                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    182
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    183
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    184
                 | 
                                    
                                                     | 
                
                 | 
                     * Creates new instance for a specific year, month, day, hour and minute.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    185
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    186
                 | 
                                    
                                                     | 
                
                 | 
                    public static function fromMinute(int $year, int $month = 1, int $day = 1, int $hour = 0, int $minute = 0): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    187
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    188
                 | 
                                    
                                                     | 
                
                 | 
                        $startDate = (new DateTimeImmutable())->setDate($year, $month, $day)->setTime($hour, $minute);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    189
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    190
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($startDate, $startDate->add(new DateInterval('PT1M'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    191
                 | 
                                    
                             18                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    192
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    193
                 | 
                                    
                             18                          | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    194
                 | 
                                    
                             15                          | 
                
                 | 
                     * Creates new instance for a specific year, month, day, hour, minute and second.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    195
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    196
                 | 
                                    
                             15                          | 
                
                 | 
                    public static function fromSecond(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    197
                 | 
                                    
                                                     | 
                
                 | 
                        int $year,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    198
                 | 
                                    
                                                     | 
                
                 | 
                        int $month = 1,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    199
                 | 
                                    
                             6                          | 
                
                 | 
                        int $day = 1,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    200
                 | 
                                    
                                                     | 
                
                 | 
                        int $hour = 0,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    201
                 | 
                                    
                             6                          | 
                
                 | 
                        int $minute = 0,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    202
                 | 
                                    
                                                     | 
                
                 | 
                        int $second = 0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    203
                 | 
                                    
                                                     | 
                
                 | 
                    ): self { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    204
                 | 
                                    
                                                     | 
                
                 | 
                        $startDate = (new DateTimeImmutable())->setDate($year, $month, $day)->setTime($hour, $minute, $second);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    205
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    206
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($startDate, $startDate->add(new DateInterval('PT1S'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    207
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    208
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    209
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    210
                 | 
                                    
                                                     | 
                
                 | 
                     * Creates new instance corresponding to a specific datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    211
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    212
                 | 
                                    
                                                     | 
                
                 | 
                    public static function fromDatepoint($datepoint): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    213
                 | 
                                    
                             21                          | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    214
                 | 
                                    
                                                     | 
                
                 | 
                        $datepoint = Datepoint::create($datepoint);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    215
                 | 
                                    
                             21                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    216
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($datepoint, $datepoint);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    217
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    218
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    219
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    220
                 | 
                                    
                                                     | 
                
                 | 
                     * Creates a new instance from a datepoint and a calendar reference.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    221
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    222
                 | 
                                    
                                                     | 
                
                 | 
                     * The datepoint is contained or start the interval and the duration is  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    223
                 | 
                                    
                                                     | 
                
                 | 
                     * equals to the calendar reference duration.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    224
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    225
                 | 
                                    
                                                     | 
                
                 | 
                    public static function fromCalendar($datepoint, string $calendar): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    226
                 | 
                                    
                             12                          | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    227
                 | 
                                    
                                                     | 
                
                 | 
                        $datepoint = Datepoint::create($datepoint);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    228
                 | 
                                    
                             12                          | 
                
                 | 
                        switch ($calendar) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    229
                 | 
                                    
                             3                          | 
                
                 | 
                            case self::CALENDAR_HOUR:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    230
                 | 
                                    
                             3                          | 
                
                 | 
                                $startDate = $datepoint->setTime((int) $datepoint->format('H'), 0); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    231
                 | 
                                    
                             3                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    232
                 | 
                                    
                                                     | 
                
                 | 
                                return new self($startDate, $startDate->add(new DateInterval('PT1H'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    233
                 | 
                                    
                             3                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    234
                 | 
                                    
                                                     | 
                
                 | 
                            case self::CALENDAR_MINUTE:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    235
                 | 
                                    
                                                     | 
                
                 | 
                                $startDate = $datepoint->setTime((int) $datepoint->format('H'), (int) $datepoint->format('i')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    236
                 | 
                                    
                             12                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    237
                 | 
                                    
                             6                          | 
                
                 | 
                                return new self($startDate, $startDate->add(new DateInterval('PT1M'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    238
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    239
                 | 
                                    
                             6                          | 
                
                 | 
                            case self::CALENDAR_SECOND:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    240
                 | 
                                    
                                                     | 
                
                 | 
                                $startDate = $datepoint->setTime(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    241
                 | 
                                    
                                                     | 
                
                 | 
                                    (int) $datepoint->format('H'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    242
                 | 
                                    
                                                     | 
                
                 | 
                                    (int) $datepoint->format('i'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    243
                 | 
                                    
                                                     | 
                
                 | 
                                    (int) $datepoint->format('s') | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    244
                 | 
                                    
                                                     | 
                
                 | 
                                );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    245
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    246
                 | 
                                    
                                                     | 
                
                 | 
                                return new self($startDate, $startDate->add(new DateInterval('PT1S'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    247
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    248
                 | 
                                    
                                                     | 
                
                 | 
                            case self::CALENDAR_DAY:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    249
                 | 
                                    
                                                     | 
                
                 | 
                                $startDate = $datepoint->setTime(0, 0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    250
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    251
                 | 
                                    
                                                     | 
                
                 | 
                                return new self($startDate, $startDate->add(new DateInterval('P1D'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    252
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    253
                 | 
                                    
                             75                          | 
                
                 | 
                            case self::CALENDAR_ISOWEEK:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    254
                 | 
                                    
                                                     | 
                
                 | 
                                $startDate = $datepoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    255
                 | 
                                    
                             75                          | 
                
                 | 
                                    ->setTime(0, 0)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    256
                 | 
                                    
                             75                          | 
                
                 | 
                                    ->setISODate((int) $datepoint->format('o'), (int) $datepoint->format('W'), 1); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    257
                 | 
                                    
                             51                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    258
                 | 
                                    
                                                     | 
                
                 | 
                                return new self($startDate, $startDate->add(new DateInterval('P7D'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    259
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    260
                 | 
                                    
                             24                          | 
                
                 | 
                            case self::CALENDAR_MONTH:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    261
                 | 
                                    
                                                     | 
                
                 | 
                                $startDate = $datepoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    262
                 | 
                                    
                                                     | 
                
                 | 
                                    ->setTime(0, 0)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    263
                 | 
                                    
                                                     | 
                
                 | 
                                    ->setDate((int) $datepoint->format('Y'), (int) $datepoint->format('n'), 1); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    264
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    265
                 | 
                                    
                                                     | 
                
                 | 
                                return new self($startDate, $startDate->add(new DateInterval('P1M'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    266
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    267
                 | 
                                    
                                                     | 
                
                 | 
                            case self::CALENDAR_QUARTER:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    268
                 | 
                                    
                                                     | 
                
                 | 
                                $startDate = $datepoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    269
                 | 
                                    
                                                     | 
                
                 | 
                                    ->setTime(0, 0)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    270
                 | 
                                    
                                                     | 
                
                 | 
                                    ->setDate((int) $datepoint->format('Y'), (intdiv((int) $datepoint->format('n'), 3) * 3) + 1, 1); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    271
                 | 
                                    
                             12                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    272
                 | 
                                    
                                                     | 
                
                 | 
                                return new self($startDate, $startDate->add(new DateInterval('P3M'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    273
                 | 
                                    
                             12                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    274
                 | 
                                    
                             3                          | 
                
                 | 
                            case self::CALENDAR_SEMESTER:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    275
                 | 
                                    
                             3                          | 
                
                 | 
                                $startDate = $datepoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    276
                 | 
                                    
                             3                          | 
                
                 | 
                                    ->setTime(0, 0)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    277
                 | 
                                    
                                                     | 
                
                 | 
                                    ->setDate((int) $datepoint->format('Y'), (intdiv((int) $datepoint->format('n'), 6) * 6) + 1, 1); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    278
                 | 
                                    
                             3                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    279
                 | 
                                    
                                                     | 
                
                 | 
                                return new self($startDate, $startDate->add(new DateInterval('P6M'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    280
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    281
                 | 
                                    
                             12                          | 
                
                 | 
                            case self::CALENDAR_YEAR:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    282
                 | 
                                    
                             6                          | 
                
                 | 
                                $startDate = $datepoint->setTime(0, 0)->setDate((int) $datepoint->format('Y'), 1, 1); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    283
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    284
                 | 
                                    
                             6                          | 
                
                 | 
                                return new self($startDate, $startDate->add(new DateInterval('P1Y'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    285
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    286
                 | 
                                    
                                                     | 
                
                 | 
                            case self::CALENDAR_ISOYEAR:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    287
                 | 
                                    
                                                     | 
                
                 | 
                                $datepoint = $datepoint->setTime(0, 0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    288
                 | 
                                    
                                                     | 
                
                 | 
                                $year = (int) $datepoint->format('o'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    289
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    290
                 | 
                                    
                                                     | 
                
                 | 
                                return new self($datepoint->setISODate($year, 1), $datepoint->setISODate(++$year, 1));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    291
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    292
                 | 
                                    
                                                     | 
                
                 | 
                            default:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    293
                 | 
                                    
                                                     | 
                
                 | 
                                throw new Exception('Unknown Calendar interval'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    294
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    295
                 | 
                                    
                             39                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    296
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    297
                 | 
                                    
                             39                          | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    298
                 | 
                                    
                             6                          | 
                
                 | 
                     * Creates new instance from a DatePeriod.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    299
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    300
                 | 
                                    
                             6                          | 
                
                 | 
                    public static function fromDatePeriod(DatePeriod $datePeriod): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    301
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    302
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($datePeriod->getStartDate(), $datePeriod->getEndDate());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    303
                 | 
                                    
                             36                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    304
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    305
                 | 
                                    
                             30                          | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    306
                 | 
                                    
                                                     | 
                
                 | 
                     * Creates a new instance.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    307
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    308
                 | 
                                    
                                                     | 
                
                 | 
                     * @param mixed $startDate the starting included datepoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    309
                 | 
                                    
                                                     | 
                
                 | 
                     * @param mixed $endDate   the ending excluded datepoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    310
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    311
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws Exception If $startDate is greater than $endDate  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    312
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    313
                 | 
                                    
                                                     | 
                
                 | 
                    public function __construct($startDate, $endDate)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    314
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    315
                 | 
                                    
                                                     | 
                
                 | 
                        $startDate = Datepoint::create($startDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    316
                 | 
                                    
                             24                          | 
                
                 | 
                        $endDate = Datepoint::create($endDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    317
                 | 
                                    
                                                     | 
                
                 | 
                        if ($startDate > $endDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    318
                 | 
                                    
                             24                          | 
                
                 | 
                            throw new Exception('The ending datepoint must be greater or equal to the starting datepoint'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    319
                 | 
                                    
                             3                          | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    320
                 | 
                                    
                             3                          | 
                
                 | 
                        $this->startDate = $startDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    321
                 | 
                                    
                             3                          | 
                
                 | 
                        $this->endDate = $endDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    322
                 | 
                                    
                             3                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    323
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    324
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    325
                 | 
                                    
                             3                          | 
                
                 | 
                     * Returns the starting included datepoint.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    326
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    327
                 | 
                                    
                                                     | 
                
                 | 
                    public function getStartDate(): DateTimeImmutable  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    328
                 | 
                                    
                             24                          | 
                
                 | 
                    { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    329
                 | 
                                    
                             24                          | 
                
                 | 
                        return $this->startDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    330
                 | 
                                    
                             18                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    331
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    332
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    333
                 | 
                                    
                             18                          | 
                
                 | 
                     * Returns the ending excluded datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    334
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    335
                 | 
                                    
                                                     | 
                
                 | 
                    public function getEndDate(): DateTimeImmutable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    336
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    337
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->endDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    338
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    339
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    340
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    341
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the instance duration as expressed in seconds.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    342
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    343
                 | 
                                    
                                                     | 
                
                 | 
                    public function getTimestampInterval(): float  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    344
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    345
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->endDate->getTimestamp() - $this->startDate->getTimestamp();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    346
                 | 
                                    
                             3                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    347
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    348
                 | 
                                    
                             3                          | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    349
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the instance duration as a DateInterval object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    350
                 | 
                                    
                             3                          | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    351
                 | 
                                    
                                                     | 
                
                 | 
                    public function getDateInterval(): DateInterval  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    352
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    353
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->startDate->diff($this->endDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    354
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    355
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    356
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    357
                 | 
                                    
                                                     | 
                
                 | 
                     * Allows iteration over a set of dates and times,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    358
                 | 
                                    
                                                     | 
                
                 | 
                     * recurring at regular intervals, over the instance.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    359
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    360
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/manual/en/dateperiod.construct.php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    361
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    362
                 | 
                                    
                                                     | 
                
                 | 
                    public function getDatePeriod($duration, int $option = 0): DatePeriod  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    363
                 | 
                                    
                             3                          | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    364
                 | 
                                    
                                                     | 
                
                 | 
                        return new DatePeriod($this->startDate, Duration::create($duration), $this->endDate, $option);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    365
                 | 
                                    
                             3                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    366
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    367
                 | 
                                    
                             3                          | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    368
                 | 
                                    
                                                     | 
                
                 | 
                     * Allows iteration over a set of dates and times,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    369
                 | 
                                    
                                                     | 
                
                 | 
                     * recurring at regular intervals, over the instance backwards starting from  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    370
                 | 
                                    
                                                     | 
                
                 | 
                     * the instance ending datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    371
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    372
                 | 
                                    
                                                     | 
                
                 | 
                    public function getDatePeriodBackwards($duration, int $option = 0): iterable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    373
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    374
                 | 
                                    
                                                     | 
                
                 | 
                        $duration = Duration::create($duration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    375
                 | 
                                    
                                                     | 
                
                 | 
                        $date = $this->endDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    376
                 | 
                                    
                                                     | 
                
                 | 
                        if ((bool) ($option & DatePeriod::EXCLUDE_START_DATE)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    377
                 | 
                                    
                                                     | 
                
                 | 
                            $date = $this->endDate->sub($duration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    378
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    379
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    380
                 | 
                                    
                             3                          | 
                
                 | 
                        while ($date > $this->startDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    381
                 | 
                                    
                                                     | 
                
                 | 
                            yield $date;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    382
                 | 
                                    
                             3                          | 
                
                 | 
                            $date = $date->sub($duration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    383
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    384
                 | 
                                    
                             3                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    385
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    386
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    387
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the string representation as a ISO8601 interval format.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    388
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    389
                 | 
                                    
                                                     | 
                
                 | 
                     * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    390
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    391
                 | 
                                    
                                                     | 
                
                 | 
                     * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    392
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    393
                 | 
                                    
                                                     | 
                
                 | 
                    public function __toString()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    394
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    395
                 | 
                                    
                                                     | 
                
                 | 
                        $interval = $this->jsonSerialize();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    396
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    397
                 | 
                                    
                             3                          | 
                
                 | 
                        return $interval['startDate'].'/'.$interval['endDate'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    398
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    399
                 | 
                                    
                             3                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    400
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    401
                 | 
                                    
                             3                          | 
                
                 | 
                     * Returns the JSON representation of an instance.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    402
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    403
                 | 
                                    
                                                     | 
                
                 | 
                     * Based on the JSON representation of dates as  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    404
                 | 
                                    
                                                     | 
                
                 | 
                     * returned by Javascript Date.toJSON() method.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    405
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    406
                 | 
                                    
                                                     | 
                
                 | 
                     * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toJSON  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    407
                 | 
                                    
                                                     | 
                
                 | 
                     * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    408
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    409
                 | 
                                    
                                                     | 
                
                 | 
                     * @return array<string>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    410
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    411
                 | 
                                    
                                                     | 
                
                 | 
                    public function jsonSerialize()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    412
                 | 
                                    
                             177                          | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    413
                 | 
                                    
                                                     | 
                
                 | 
                        $utc = new DateTimeZone('UTC'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    414
                 | 
                                    
                             177                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    415
                 | 
                                    
                                                     | 
                
                 | 
                        return [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    416
                 | 
                                    
                                                     | 
                
                 | 
                            'startDate' => $this->startDate->setTimezone($utc)->format(self::ISO8601_FORMAT),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    417
                 | 
                                    
                                                     | 
                
                 | 
                            'endDate' => $this->endDate->setTimezone($utc)->format(self::ISO8601_FORMAT),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    418
                 | 
                                    
                                                     | 
                
                 | 
                        ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    419
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    420
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    421
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    422
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the mathematical representation of an instance as a left close, right open interval.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    423
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    424
                 | 
                                    
                                                     | 
                
                 | 
                     * @see https://en.wikipedia.org/wiki/Interval_(mathematics)#Notations_for_intervals  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    425
                 | 
                                    
                             162                          | 
                
                 | 
                     * @see https://php.net/manual/en/function.date.php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    426
                 | 
                                    
                                                     | 
                
                 | 
                     * @see https://www.postgresql.org/docs/9.3/static/rangetypes.html  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    427
                 | 
                                    
                             162                          | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    428
                 | 
                                    
                                                     | 
                
                 | 
                     * @param string $format the format of the outputted date string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    429
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    430
                 | 
                                    
                                                     | 
                
                 | 
                    public function format(string $format): string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    431
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    432
                 | 
                                    
                                                     | 
                
                 | 
                        return '['.$this->startDate->format($format).', '.$this->endDate->format($format).')';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    433
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    434
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    435
                 | 
                                    
                             18                          | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    436
                 | 
                                    
                                                     | 
                
                 | 
                     * Compares two instances according to their duration.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    437
                 | 
                                    
                             18                          | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    438
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    439
                 | 
                                    
                                                     | 
                
                 | 
                     * <ul>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    440
                 | 
                                    
                                                     | 
                
                 | 
                     * <li> -1 if the current Interval is lesser than the submitted Interval object</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    441
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>  1 if the current Interval is greater than the submitted Interval object</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    442
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>  0 if both Interval objects have the same duration</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    443
                 | 
                                    
                                                     | 
                
                 | 
                     * </ul>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    444
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    445
                 | 
                                    
                             33                          | 
                
                 | 
                    public function durationCompare(self $interval): int  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    446
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    447
                 | 
                                    
                             33                          | 
                
                 | 
                        return $this->endDate <=> $this->startDate->add($interval->getDateInterval());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    448
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    449
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    450
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    451
                 | 
                                    
                                                     | 
                
                 | 
                     * Tells whether the current instance duration is equal to the submitted one.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    452
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    453
                 | 
                                    
                                                     | 
                
                 | 
                    public function durationEquals(self $interval): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    454
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    455
                 | 
                                    
                                                     | 
                
                 | 
                        return 0 === $this->durationCompare($interval);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    456
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    457
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    458
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    459
                 | 
                                    
                                                     | 
                
                 | 
                     * Tells whether the current instance duration is greater than the submitted one.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    460
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    461
                 | 
                                    
                                                     | 
                
                 | 
                    public function durationGreaterThan(self $interval): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    462
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    463
                 | 
                                    
                                                     | 
                
                 | 
                        return 1 === $this->durationCompare($interval);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    464
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    465
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    466
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    467
                 | 
                                    
                                                     | 
                
                 | 
                     * Tells whether the current instance duration is less than the submitted one.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    468
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    469
                 | 
                                    
                             24                          | 
                
                 | 
                    public function durationLessThan(self $interval): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    470
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    471
                 | 
                                    
                             24                          | 
                
                 | 
                        return -1 === $this->durationCompare($interval);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    472
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    473
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    474
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    475
                 | 
                                    
                                                     | 
                
                 | 
                     * Tells whether two intervals share the same datepoints.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    476
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    477
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    478
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    479
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    480
                 | 
                                    
                                                     | 
                
                 | 
                    public function equals(self $interval): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    481
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    482
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->startDate == $interval->startDate  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    483
                 | 
                                    
                                                     | 
                
                 | 
                            && $this->endDate == $interval->endDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    484
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    485
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    486
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    487
                 | 
                                    
                                                     | 
                
                 | 
                     * Tells whether two intervals abuts.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    488
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    489
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    490
                 | 
                                    
                                                     | 
                
                 | 
                     *                      [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    491
                 | 
                                    
                                                     | 
                
                 | 
                     * or  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    492
                 | 
                                    
                                                     | 
                
                 | 
                     *                      [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    493
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    494
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    495
                 | 
                                    
                                                     | 
                
                 | 
                    public function abuts(self $interval): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    496
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    497
                 | 
                                    
                             12                          | 
                
                 | 
                        return $this->startDate == $interval->endDate  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    498
                 | 
                                    
                                                     | 
                
                 | 
                            || $this->endDate == $interval->startDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    499
                 | 
                                    
                             12                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    500
                 | 
                                    
                             12                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    501
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    502
                 | 
                                    
                             12                          | 
                
                 | 
                     * Tells whether two intervals overlaps.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    503
                 | 
                                    
                             12                          | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    504
                 | 
                                    
                             6                          | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    505
                 | 
                                    
                                                     | 
                
                 | 
                     *          [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    506
                 | 
                                    
                             12                          | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    507
                 | 
                                    
                                                     | 
                
                 | 
                    public function overlaps(self $interval): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    508
                 | 
                                    
                             9                          | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    509
                 | 
                                    
                             9                          | 
                
                 | 
                        return $this->startDate < $interval->endDate  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    510
                 | 
                                    
                             9                          | 
                
                 | 
                            && $this->endDate > $interval->startDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    511
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    512
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    513
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    514
                 | 
                                    
                                                     | 
                
                 | 
                     * Tells whether an interval is entirely after the specified index.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    515
                 | 
                                    
                                                     | 
                
                 | 
                     * The index can be a DateTimeInterface object or another Period object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    516
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    517
                 | 
                                    
                                                     | 
                
                 | 
                     *                          [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    518
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    519
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    520
                 | 
                                    
                                                     | 
                
                 | 
                    public function isAfter($index): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    521
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    522
                 | 
                                    
                                                     | 
                
                 | 
                        if ($index instanceof self) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    523
                 | 
                                    
                                                     | 
                
                 | 
                            return $this->startDate >= $index->endDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    524
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    525
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    526
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->startDate > Datepoint::create($index);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    527
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    528
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    529
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    530
                 | 
                                    
                                                     | 
                
                 | 
                     * Tells whether an instance is entirely before the specified index.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    531
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    532
                 | 
                                    
                                                     | 
                
                 | 
                     * The index can be a DateTimeInterface object or another Period object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    533
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    534
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    535
                 | 
                                    
                             6                          | 
                
                 | 
                     *                          [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    536
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    537
                 | 
                                    
                             6                          | 
                
                 | 
                    public function isBefore($index): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    538
                 | 
                                    
                             6                          | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    539
                 | 
                                    
                                                     | 
                
                 | 
                        if ($index instanceof self) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    540
                 | 
                                    
                             6                          | 
                
                 | 
                            return $this->endDate <= $index->startDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    541
                 | 
                                    
                             6                          | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    542
                 | 
                                    
                             3                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    543
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->endDate <= Datepoint::create($index);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    544
                 | 
                                    
                             6                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    545
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    546
                 | 
                                    
                             6                          | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    547
                 | 
                                    
                             6                          | 
                
                 | 
                     * Tells whether an instance fully contains the specified index.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    548
                 | 
                                    
                             6                          | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    549
                 | 
                                    
                                                     | 
                
                 | 
                     * The index can be a DateTimeInterface object or another Period object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    550
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    551
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    552
                 | 
                                    
                                                     | 
                
                 | 
                    public function contains($index): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    553
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    554
                 | 
                                    
                                                     | 
                
                 | 
                        if ($index instanceof self) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    555
                 | 
                                    
                                                     | 
                
                 | 
                            return $this->containsInterval($index);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    556
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    557
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    558
                 | 
                                    
                             3                          | 
                
                 | 
                        return $this->containsDatepoint(Datepoint::create($index));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    559
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    560
                 | 
                                    
                             3                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    561
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    562
                 | 
                                    
                             3                          | 
                
                 | 
                     * Tells whether an instance fully contains another instance.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    563
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    564
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    565
                 | 
                                    
                                                     | 
                
                 | 
                     *     [----------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    566
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    567
                 | 
                                    
                                                     | 
                
                 | 
                    private function containsInterval(self $interval): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    568
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    569
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->containsDatepoint($interval->startDate)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    570
                 | 
                                    
                                                     | 
                
                 | 
                            && ($interval->endDate >= $this->startDate && $interval->endDate <= $this->endDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    571
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    572
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    573
                 | 
                                    
                             6                          | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    574
                 | 
                                    
                                                     | 
                
                 | 
                     * Tells whether an instance contains a datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    575
                 | 
                                    
                             6                          | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    576
                 | 
                                    
                             6                          | 
                
                 | 
                     * [------|------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    577
                 | 
                                    
                             6                          | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    578
                 | 
                                    
                                                     | 
                
                 | 
                    private function containsDatepoint(DateTimeInterface $datepoint): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    579
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    580
                 | 
                                    
                             6                          | 
                
                 | 
                        return $datepoint >= $this->startDate && $datepoint < $this->endDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    581
                 | 
                                    
                             6                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    582
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    583
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    584
                 | 
                                    
                                                     | 
                
                 | 
                     * Allows splitting an instance in smaller Period objects according to a given interval.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    585
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    586
                 | 
                                    
                                                     | 
                
                 | 
                     * The returned iterable Interval set is ordered so that:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    587
                 | 
                                    
                                                     | 
                
                 | 
                     * <ul>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    588
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>The first returned object MUST share the starting datepoint of the parent object.</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    589
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>The last returned object MUST share the ending datepoint of the parent object.</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    590
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>The last returned object MUST have a duration equal or lesser than the submitted interval.</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    591
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>All returned objects except for the first one MUST start immediately after the previously returned object</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    592
                 | 
                                    
                                                     | 
                
                 | 
                     * </ul>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    593
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    594
                 | 
                                    
                                                     | 
                
                 | 
                     * @return iterable<Period>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    595
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    596
                 | 
                                    
                                                     | 
                
                 | 
                    public function split($duration): iterable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    597
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    598
                 | 
                                    
                                                     | 
                
                 | 
                        $duration = Duration::create($duration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    599
                 | 
                                    
                             21                          | 
                
                 | 
                        foreach ($this->getDatePeriod($duration) as $startDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    600
                 | 
                                    
                                                     | 
                
                 | 
                            $endDate = $startDate->add($duration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    601
                 | 
                                    
                             21                          | 
                
                 | 
                            if ($endDate > $this->endDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    602
                 | 
                                    
                                                     | 
                
                 | 
                                $endDate = $this->endDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    603
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    604
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    605
                 | 
                                    
                                                     | 
                
                 | 
                            yield new self($startDate, $endDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    606
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    607
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    608
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    609
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    610
                 | 
                                    
                                                     | 
                
                 | 
                     * Allows splitting an instance in smaller Period objects according to a given interval.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    611
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    612
                 | 
                                    
                             9                          | 
                
                 | 
                     * The returned iterable Period set is ordered so that:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    613
                 | 
                                    
                                                     | 
                
                 | 
                     * <ul>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    614
                 | 
                                    
                             9                          | 
                
                 | 
                     * <li>The first returned object MUST share the ending datepoint of the parent object.</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    615
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>The last returned object MUST share the starting datepoint of the parent object.</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    616
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>The last returned object MUST have a duration equal or lesser than the submitted interval.</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    617
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>All returned objects except for the first one MUST end immediately before the previously returned object</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    618
                 | 
                                    
                                                     | 
                
                 | 
                     * </ul>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    619
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    620
                 | 
                                    
                                                     | 
                
                 | 
                     * @return iterable<Period>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    621
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    622
                 | 
                                    
                                                     | 
                
                 | 
                    public function splitBackwards($duration): iterable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    623
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    624
                 | 
                                    
                                                     | 
                
                 | 
                        $endDate = $this->endDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    625
                 | 
                                    
                             9                          | 
                
                 | 
                        $duration = Duration::create($duration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    626
                 | 
                                    
                                                     | 
                
                 | 
                        do { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    627
                 | 
                                    
                             9                          | 
                
                 | 
                            $startDate = $endDate->sub($duration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    628
                 | 
                                    
                                                     | 
                
                 | 
                            if ($startDate < $this->startDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    629
                 | 
                                    
                                                     | 
                
                 | 
                                $startDate = $this->startDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    630
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    631
                 | 
                                    
                                                     | 
                
                 | 
                            yield new self($startDate, $endDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    632
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    633
                 | 
                                    
                                                     | 
                
                 | 
                            $endDate = $startDate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    634
                 | 
                                    
                                                     | 
                
                 | 
                        } while ($endDate > $this->startDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    635
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    636
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    637
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    638
                 | 
                                    
                             3                          | 
                
                 | 
                     * Returns the computed intersection between two instances as a new instance.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    639
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    640
                 | 
                                    
                             3                          | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    641
                 | 
                                    
                                                     | 
                
                 | 
                     *          ∩  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    642
                 | 
                                    
                                                     | 
                
                 | 
                     *                 [----------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    643
                 | 
                                    
                                                     | 
                
                 | 
                     *          =  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    644
                 | 
                                    
                                                     | 
                
                 | 
                     *                 [----)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    645
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    646
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws Exception If both objects do not overlaps  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    647
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    648
                 | 
                                    
                                                     | 
                
                 | 
                    public function intersect(self $interval): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    649
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    650
                 | 
                                    
                             18                          | 
                
                 | 
                        if (!$this->overlaps($interval)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    651
                 | 
                                    
                                                     | 
                
                 | 
                            throw new Exception('Both '.self::class.' objects should overlaps'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    652
                 | 
                                    
                             18                          | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    653
                 | 
                                    
                             18                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    654
                 | 
                                    
                                                     | 
                
                 | 
                        return new self(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    655
                 | 
                                    
                                                     | 
                
                 | 
                            ($interval->startDate > $this->startDate) ? $interval->startDate : $this->startDate,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    656
                 | 
                                    
                                                     | 
                
                 | 
                            ($interval->endDate < $this->endDate) ? $interval->endDate : $this->endDate  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    657
                 | 
                                    
                                                     | 
                
                 | 
                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    658
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    659
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    660
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    661
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the computed difference between two overlapping instances as  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    662
                 | 
                                    
                                                     | 
                
                 | 
                     * an array containing Period objects or the null value.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    663
                 | 
                                    
                             42                          | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    664
                 | 
                                    
                                                     | 
                
                 | 
                     * The array will always contains 2 elements:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    665
                 | 
                                    
                             42                          | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    666
                 | 
                                    
                             42                          | 
                
                 | 
                     * <ul>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    667
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>an NULL filled array if both objects have the same datepoints</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    668
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>one Period object and NULL if both objects share one datepoint</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    669
                 | 
                                    
                                                     | 
                
                 | 
                     * <li>two Period objects if both objects share no datepoint</li>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    670
                 | 
                                    
                                                     | 
                
                 | 
                     * </ul>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    671
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    672
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    673
                 | 
                                    
                                                     | 
                
                 | 
                     *          \  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    674
                 | 
                                    
                                                     | 
                
                 | 
                     *                [-----------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    675
                 | 
                                    
                                                     | 
                
                 | 
                     *          =  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    676
                 | 
                                    
                             36                          | 
                
                 | 
                     * [--------------)  +  [-----)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    677
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    678
                 | 
                                    
                             36                          | 
                
                 | 
                     * @return array<null|Period>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    679
                 | 
                                    
                             36                          | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    680
                 | 
                                    
                             36                          | 
                
                 | 
                    public function diff(self $interval): array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    681
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    682
                 | 
                                    
                                                     | 
                
                 | 
                        if ($interval->equals($this)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    683
                 | 
                                    
                                                     | 
                
                 | 
                            return [null, null];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    684
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    685
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    686
                 | 
                                    
                                                     | 
                
                 | 
                        $intersect = $this->intersect($interval);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    687
                 | 
                                    
                                                     | 
                
                 | 
                        $merge = $this->merge($interval);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    688
                 | 
                                    
                                                     | 
                
                 | 
                        if ($merge->startDate == $intersect->startDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    689
                 | 
                                    
                                                     | 
                
                 | 
                            return [$merge->startingOn($intersect->endDate), null];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    690
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    691
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    692
                 | 
                                    
                                                     | 
                
                 | 
                        if ($merge->endDate == $intersect->endDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    693
                 | 
                                    
                                                     | 
                
                 | 
                            return [$merge->endingOn($intersect->startDate), null];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    694
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    695
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    696
                 | 
                                    
                                                     | 
                
                 | 
                        return [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    697
                 | 
                                    
                             9                          | 
                
                 | 
                            $merge->endingOn($intersect->startDate),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    698
                 | 
                                    
                                                     | 
                
                 | 
                            $merge->startingOn($intersect->endDate),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    699
                 | 
                                    
                             9                          | 
                
                 | 
                        ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    700
                 | 
                                    
                             3                          | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    701
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    702
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    703
                 | 
                                    
                             6                          | 
                
                 | 
                     * Returns the computed gap between two instances as a new instance.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    704
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    705
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    706
                 | 
                                    
                                                     | 
                
                 | 
                     *          +  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    707
                 | 
                                    
                                                     | 
                
                 | 
                     *                          [----------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    708
                 | 
                                    
                                                     | 
                
                 | 
                     *          =  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    709
                 | 
                                    
                                                     | 
                
                 | 
                     *                      [---)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    710
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    711
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws Exception If both instance overlaps  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    712
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    713
                 | 
                                    
                                                     | 
                
                 | 
                    public function gap(self $interval): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    714
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    715
                 | 
                                    
                                                     | 
                
                 | 
                        if ($this->overlaps($interval)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    716
                 | 
                                    
                                                     | 
                
                 | 
                            throw new Exception('Both '.self::class.' objects must not overlaps'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    717
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    718
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    719
                 | 
                                    
                                                     | 
                
                 | 
                        if ($interval->startDate > $this->startDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    720
                 | 
                                    
                             12                          | 
                
                 | 
                            return new self($this->endDate, $interval->startDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    721
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    722
                 | 
                                    
                             12                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    723
                 | 
                                    
                             6                          | 
                
                 | 
                        return new self($interval->endDate, $this->startDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    724
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    725
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    726
                 | 
                                    
                             6                          | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    727
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the difference between two instances expressed in seconds.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    728
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    729
                 | 
                                    
                                                     | 
                
                 | 
                    public function timestampIntervalDiff(self $interval): float  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    730
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    731
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->getTimestampInterval() - $interval->getTimestampInterval();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    732
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    733
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    734
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    735
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the difference between two instances expressed with a DateInterval object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    736
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    737
                 | 
                                    
                                                     | 
                
                 | 
                    public function dateIntervalDiff(self $interval): DateInterval  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    738
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    739
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->endDate->diff($this->startDate->add($interval->getDateInterval()));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    740
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    741
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    742
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    743
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns an instance with the specified starting datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    744
                 | 
                                    
                             24                          | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    745
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST retain the state of the current instance, and return  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    746
                 | 
                                    
                             24                          | 
                
                 | 
                     * an instance that contains the specified starting datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    747
                 | 
                                    
                             9                          | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    748
                 | 
                                    
                                                     | 
                
                 | 
                    public function startingOn($datepoint): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    749
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    750
                 | 
                                    
                             24                          | 
                
                 | 
                        $startDate = Datepoint::create($datepoint);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    751
                 | 
                                    
                                                     | 
                
                 | 
                        if ($startDate == $this->startDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    752
                 | 
                                    
                                                     | 
                
                 | 
                            return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    753
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    754
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    755
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($startDate, $this->endDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    756
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    757
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    758
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    759
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns an instance with the specified ending datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    760
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    761
                 | 
                                    
                             9                          | 
                
                 | 
                     * This method MUST retain the state of the current instance, and return  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    762
                 | 
                                    
                                                     | 
                
                 | 
                     * an instance that contains the specified ending datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    763
                 | 
                                    
                             9                          | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    764
                 | 
                                    
                             9                          | 
                
                 | 
                    public function endingOn($datepoint): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    765
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    766
                 | 
                                    
                                                     | 
                
                 | 
                        $endDate = Datepoint::create($datepoint);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    767
                 | 
                                    
                                                     | 
                
                 | 
                        if ($endDate == $this->endDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    768
                 | 
                                    
                                                     | 
                
                 | 
                            return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    769
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    770
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    771
                 | 
                                    
                                                     | 
                
                 | 
                        return new self($this->startDate, $endDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    772
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    773
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    774
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    775
                 | 
                                    
                             24                          | 
                
                 | 
                     * Returns a new instance with a new ending datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    776
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    777
                 | 
                                    
                             24                          | 
                
                 | 
                     * This method MUST retain the state of the current instance, and return  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    778
                 | 
                                    
                                                     | 
                
                 | 
                     * an instance that contains the specified ending datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    779
                 | 
                                    
                             24                          | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    780
                 | 
                                    
                             24                          | 
                
                 | 
                    public function withDurationAfterStart($duration): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    781
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    782
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->endingOn($this->startDate->add(Duration::create($duration)));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    783
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    784
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    785
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    786
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns a new instance with a new starting datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    787
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    788
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST retain the state of the current instance, and return  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    789
                 | 
                                    
                                                     | 
                
                 | 
                     * an instance that contains the specified starting datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    790
                 | 
                                    
                             9                          | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    791
                 | 
                                    
                                                     | 
                
                 | 
                    public function withDurationBeforeEnd($duration): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    792
                 | 
                                    
                             9                          | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    793
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->startingOn($this->endDate->sub(Duration::create($duration)));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    794
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    795
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    796
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    797
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns a new instance with a new starting datepoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    798
                 | 
                                    
                                                     | 
                
                 | 
                     * moved forward or backward by the given interval.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    799
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    800
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST retain the state of the current instance, and return  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    801
                 | 
                                    
                                                     | 
                
                 | 
                     * an instance that contains the specified starting datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    802
                 | 
                                    
                             12                          | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    803
                 | 
                                    
                                                     | 
                
                 | 
                    public function moveStartDate($duration): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    804
                 | 
                                    
                             12                          | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    805
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->startingOn($this->startDate->add(Duration::create($duration)));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    806
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    807
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    808
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    809
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns a new instance with a new ending datepoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    810
                 | 
                                    
                                                     | 
                
                 | 
                     * moved forward or backward by the given interval.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    811
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    812
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST retain the state of the current instance, and return  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    813
                 | 
                                    
                                                     | 
                
                 | 
                     * an instance that contains the specified ending datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    814
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    815
                 | 
                                    
                                                     | 
                
                 | 
                    public function moveEndDate($duration): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    816
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    817
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->endingOn($this->endDate->add(Duration::create($duration)));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    818
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    819
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    820
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    821
                 | 
                                    
                             6                          | 
                
                 | 
                     * Returns a new instance where the datepoints  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    822
                 | 
                                    
                                                     | 
                
                 | 
                     * are moved forwards or backward simultaneously by the given DateInterval.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    823
                 | 
                                    
                             6                          | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    824
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST retain the state of the current instance, and return  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    825
                 | 
                                    
                                                     | 
                
                 | 
                     * an instance that contains the specified new datepoints.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    826
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    827
                 | 
                                    
                                                     | 
                
                 | 
                    public function move($duration): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    828
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    829
                 | 
                                    
                                                     | 
                
                 | 
                        $duration = Duration::create($duration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    830
                 | 
                                    
                                                     | 
                
                 | 
                        $interval = new self($this->startDate->add($duration), $this->endDate->add($duration));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    831
                 | 
                                    
                                                     | 
                
                 | 
                        if ($this->equals($interval)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    832
                 | 
                                    
                                                     | 
                
                 | 
                            return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    833
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    834
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    835
                 | 
                                    
                                                     | 
                
                 | 
                        return $interval;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    836
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    837
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    838
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    839
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns an instance where the given DateInterval is simultaneously  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    840
                 | 
                                    
                             6                          | 
                
                 | 
                     * substracted from the starting datepoint and added to the ending datepoint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    841
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    842
                 | 
                                    
                             6                          | 
                
                 | 
                     * Depending on the duration value, the resulting instance duration will be expanded or shrinked.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    843
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    844
                 | 
                                    
                                                     | 
                
                 | 
                     * This method MUST retain the state of the current instance, and return  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    845
                 | 
                                    
                                                     | 
                
                 | 
                     * an instance that contains the specified new datepoints.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    846
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    847
                 | 
                                    
                                                     | 
                
                 | 
                    public function expand($duration): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    848
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    849
                 | 
                                    
                                                     | 
                
                 | 
                        $duration = Duration::create($duration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    850
                 | 
                                    
                                                     | 
                
                 | 
                        $interval = new self($this->startDate->sub($duration), $this->endDate->add($duration));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    851
                 | 
                                    
                                                     | 
                
                 | 
                        if ($this->equals($interval)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    852
                 | 
                                    
                                                     | 
                
                 | 
                            return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    853
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    854
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    855
                 | 
                                    
                                                     | 
                
                 | 
                        return $interval;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    856
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    857
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    858
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    859
                 | 
                                    
                                                     | 
                
                 | 
                     * Merges one or more instances to return a new instance.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    860
                 | 
                                    
                             9                          | 
                
                 | 
                     * The resulting instance represents the largest duration possible.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    861
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    862
                 | 
                                    
                             9                          | 
                
                 | 
                     * This method MUST retain the state of the current instance, and return  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    863
                 | 
                                    
                                                     | 
                
                 | 
                     * an instance that contains the specified new datepoints.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    864
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    865
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    866
                 | 
                                    
                                                     | 
                
                 | 
                     *          U  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    867
                 | 
                                    
                                                     | 
                
                 | 
                     *                 [----------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    868
                 | 
                                    
                                                     | 
                
                 | 
                     *          =  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    869
                 | 
                                    
                                                     | 
                
                 | 
                     * [--------------------------)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    870
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    871
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    872
                 | 
                                    
                                                     | 
                
                 | 
                     * @param Period ...$intervals  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    873
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    874
                 | 
                                    
                                                     | 
                
                 | 
                    public function merge(self $interval, self ...$intervals): self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    875
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    876
                 | 
                                    
                                                     | 
                
                 | 
                        $intervals[] = $interval;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    877
                 | 
                                    
                                                     | 
                
                 | 
                        $carry = $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    878
                 | 
                                    
                                                     | 
                
                 | 
                        foreach ($intervals as $interval) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    879
                 | 
                                    
                                                     | 
                
                 | 
                            if ($carry->startDate > $interval->startDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    880
                 | 
                                    
                             12                          | 
                
                 | 
                                $carry = $carry->startingOn($interval->startDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    881
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    882
                 | 
                                    
                             12                          | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    883
                 | 
                                    
                                                     | 
                
                 | 
                            if ($carry->endDate < $interval->endDate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    884
                 | 
                                    
                                                     | 
                
                 | 
                                $carry = $carry->endingOn($interval->endDate);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    885
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    886
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    887
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    888
                 | 
                                    
                                                     | 
                
                 | 
                        return $carry;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    889
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    890
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    891
                 | 
                                    
                                                     | 
                
                 | 
                 |