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run code in 300+ PHP versions simultaneously

@ 2019-01-31T02:28:55Z

<?php

$rows = [
    [
        'SessionID'      => 1,
        'DayofWeek'      => 'Sunday',
        'SessionDetails' => '1:00 PM',
        'Description'    => 'Foo',
    ],
    [
        'SessionID'      => 1,
        'DayofWeek'      => 'Sunday',
        'SessionDetails' => '1:00 PM',
        'Description'    => 'Foo',
    ],
    [
        'SessionID'      => 2,
        'DayofWeek'      => 'Monday',
        'SessionDetails' => '10:00 AM',
        'Description'    => 'Foo',
    ],
    [
        'SessionID'      => 2,
        'DayofWeek'      => 'Monday',
        'SessionDetails' => '10:00 AM',
        'Description'    => 'Foo',
    ],
    [
        'SessionID'      => 3,
        'DayofWeek'      => 'Monday',
        'SessionDetails' => '7:00 PM',
        'Description'    => 'Barr',
    ],
    [
        'SessionID'      => 3,
        'DayofWeek'      => 'Monday',
        'SessionDetails' => '7:00 PM',
        'Description'    => 'Barr',
    ],
];

$result = [];

foreach (array_unique($rows, SORT_REGULAR) as $row) {
    $result[$row['DayofWeek']][] = $row;
}

print_r($result);

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: Array ( [Sunday] => Array ( [0] => Array ( [SessionID] => 1 [DayofWeek] => Sunday [SessionDetails] => 1:00 PM [Description] => Foo ) ) [Monday] => Array ( [0] => Array ( [SessionID] => 2 [DayofWeek] => Monday [SessionDetails] => 10:00 AM [Description] => Foo ) [1] => Array ( [SessionID] => 3 [DayofWeek] => Monday [SessionDetails] => 7:00 PM [Description] => Barr ) ) )

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