PHP Decode

<?php

use Spatie\Period\Period;
use Spatie\Period\PeriodCollection;

dataset('overlapping', function () {
    return [
        [
            ['width' => 15],
            [
                'A    [=========]    ',
                'B        [=========]',
            ],
            [
                'A' => Period::make('2018-01-01', '2018-02-01'),
                'B' => Period::make('2018-01-15', '2018-02-15'),
            ],
        ],

        [
            ['width' => 15],
            [
                'A           []      ',
                'B    [=============]',
            ],
            [
                'A' => Period::make('2018-01-01', '2018-02-01'),
                'B' => Period::make('2017-01-01', '2019-01-01'),
            ],
        ],

        [
            ['width' => 15],
            [
                'A           [======]',
                'B    [=========]    ',
            ],
            [
                'A' => Period::make('2018-01-01', '2018-02-01'),
                'B' => Period::make('2017-12-01', '2018-01-15'),
            ],
        ],

        [
            ['width' => 15],
            [
                'A    [=============]',
                'B           []      ',
            ],
            [
                'A' => Period::make('2017-01-01', '2019-01-01'),
                'B' => Period::make('2018-01-01', '2018-02-01'),
            ],
        ],

        [
            ['width' => 15],
            [
                'A    [=============]',
                'B    [=============]',
            ],
            [
                'A' => Period::make('2018-01-01', '2018-02-01'),
                'B' => Period::make('2018-01-01', '2018-02-01'),
            ],
        ],
    ];
});

dataset('non_overlapping', function () {
    return [
        [
            ['width' => 15],
            [
                'A    [======]       ',
                'B            [=====]',
            ],
            [
                'A' => Period::make('2018-01-01', '2018-01-31'),
                'B' => Period::make('2018-02-01', '2018-02-28'),
            ],
        ],

        [
            ['width' => 15],
            [
                'A            [=====]',
                'B    [======]       ',
            ],
            [
                'A' => Period::make('2018-02-01', '2018-02-28'),
                'B' => Period::make('2018-01-01', '2018-01-31'),
            ],
        ],
    ];
});

dataset('single_overlaps', function () {
    return [
        [
            ['width' => 15],
            [
                'A          [======]       ',
                'B              [=========]',
                'OVERLAP        [==]       ',
            ],
            [
                'A' => Period::make('2018-01-01', '2018-01-15'),
                'B' => Period::make('2018-01-10', '2018-01-30'),
                'OVERLAP' => Period::make('2018-01-10', '2018-01-15'),
            ],
        ],
    ];
});

dataset('multiple_overlaps', function () {
    return [
        [
            ['width' => 27],
            [
                'A          [========]                 ',
                'B                      [==]           ',
                'C                           [========]',
                'D               [==============]      ',
                'OVERLAP         [===]  [==] [==]      ',
            ],
            [
                'A' => Period::make('2018-01-01', '2018-01-31'),
                'B' => Period::make('2018-02-10', '2018-02-20'),
                'C' => Period::make('2018-03-01', '2018-03-31'),
                'D' => Period::make('2018-01-20', '2018-03-10'),
                'OVERLAP' => new PeriodCollection(
                    Period::make('2018-01-20', '2018-01-31'),
                    Period::make('2018-02-10', '2018-02-20'),
                    Period::make('2018-03-01', '2018-03-10')
                ),
            ],
        ],
        [
            ['width' => 27],
            [
                'A          [========]                 ',
                'B                      [==]           ',
                'C                           [========]',
                'OVERLAP      [=]                      ',
            ],
            [
                'A' => Period::make('2018-01-01', '2018-01-31'),
                'B' => Period::make('2018-02-10', '2018-02-20'),
                'C' => Period::make('2018-03-01', '2018-03-31'),
                'OVERLAP' => Period::make('2018-01-10', '2018-01-15'),
            ],
        ],
    ];
});
 ?>