Online PHP editor | output for VMMu0

@ 2022-12-01T02:53:25Z

<?php

$array = [
    503 => [
        'scores' => [
            4573 => ['answer' => 100],
            4574 => ['answer' => 60],
            4575 => ['answer' => 100],
            4576 => ['answer' => 80],
            4577 => ['answer' => 40],
            4578 => ['answer' => 20],
            4579 => ['answer' => 60],
            4580 => ['answer' => 100],
            4581 => ['answer' => 60],
            4582 => ['answer' => 60],
            4583 => ['answer' => 80],
            4584 => ['answer' => 80],
        ],
        'category' => 'Category A',
        'grade' => 70,
        'color' => NULL
    ],
    504 => [
        'scores' => [
                4585 => ['answer' => 40],
                4586 => ['answer' => 100],
                4587 => ['answer' => 80],
                4588 => ['answer' => 60],
                4589 => ['answer' => 100],
                4590 => ['answer' => 40],
                4591 => ['answer' => 80],
                4592 => ['answer' => 60],
                4593 => ['answer' => 60],
                4594 => ['answer' => 100],
                4595 => ['answer' => 100],
                4596 => ['answer' => 80], 
        ],
        'category' => 'Category B',
        'grade' => 75,
        'color' => NULL
    ],
    505 => [
        'scores' => [
            4597 =>['answer' => 20],
            4598 =>['answer' => 80],
            4599 =>['answer' => 100],
            4600 =>['answer' => 60],
            4601 =>['answer' => 20],
            4602 =>['answer' => 20],
            4603 =>['answer' => 100],
            4604 =>['answer' => 40],
            4605 =>['answer' => 60],
            4606 =>['answer' => 100],
            4607 =>['answer' => 80],
            4608 =>['answer' => 20],
        ],
        'category' => 'Category C',
        'grade' => 58.3,
        'color' => NULL, 
    ]
];

foreach ($array as ['scores' => &$scores]) {
    asort($scores);
}
var_export($array);

Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.21, 8.5.0 - 8.5.7: array ( 503 => array ( 'scores' => array ( 4578 => array ( 'answer' => 20, ), 4577 => array ( 'answer' => 40, ), 4574 => array ( 'answer' => 60, ), 4579 => array ( 'answer' => 60, ), 4581 => array ( 'answer' => 60, ), 4582 => array ( 'answer' => 60, ), 4576 => array ( 'answer' => 80, ), 4583 => array ( 'answer' => 80, ), 4584 => array ( 'answer' => 80, ), 4573 => array ( 'answer' => 100, ), 4575 => array ( 'answer' => 100, ), 4580 => array ( 'answer' => 100, ), ), 'category' => 'Category A', 'grade' => 70, 'color' => NULL, ), 504 => array ( 'scores' => array ( 4585 => array ( 'answer' => 40, ), 4590 => array ( 'answer' => 40, ), 4588 => array ( 'answer' => 60, ), 4592 => array ( 'answer' => 60, ), 4593 => array ( 'answer' => 60, ), 4587 => array ( 'answer' => 80, ), 4591 => array ( 'answer' => 80, ), 4596 => array ( 'answer' => 80, ), 4586 => array ( 'answer' => 100, ), 4589 => array ( 'answer' => 100, ), 4594 => array ( 'answer' => 100, ), 4595 => array ( 'answer' => 100, ), ), 'category' => 'Category B', 'grade' => 75, 'color' => NULL, ), 505 => array ( 'scores' => array ( 4597 => array ( 'answer' => 20, ), 4601 => array ( 'answer' => 20, ), 4602 => array ( 'answer' => 20, ), 4608 => array ( 'answer' => 20, ), 4604 => array ( 'answer' => 40, ), 4600 => array ( 'answer' => 60, ), 4605 => array ( 'answer' => 60, ), 4598 => array ( 'answer' => 80, ), 4607 => array ( 'answer' => 80, ), 4599 => array ( 'answer' => 100, ), 4603 => array ( 'answer' => 100, ), 4606 => array ( 'answer' => 100, ), ), 'category' => 'Category C', 'grade' => 58.3, 'color' => NULL, ), )

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