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@ 2023-01-29T08:26:06Z

<?php

$array = [
    'first_level' => [
        'dir_3' => [
            'subdir_1' => [
                'file_2.mp4' => (object) [
                    'name' => 'file_2.mp4'
                ],
                'file_1.mp4' => (object) [
                    'name' => 'file_1.mp4'
                ]
            ]
        ],
        'dir_1' => [
            'subdir_2' => [
                'file_6.mp4' => (object) [
                    'name' => 'file_6.mp4'
                ],
                'file_9.mp4' => (object) [
                    'name' => 'file_9.mp4'
                ],
                'file_7.mp4' => (object) [
                    'name' => 'file_7.mp4'
                ],
                'file_17.mp4' => (object) [
                    'name' => 'file_17.mp4'
                ],
            ],
            'subdir_1' => [
                'file_8.mp4' => (object) [
                    'name' => 'file_8.mp4'
                ],
            ]
        ]
    ],
    'fake_level' => [
        'dir_7' => [
            'subdir_1' => [
                'file_5.mp4' => (object) [
                    'name' => 'file_5.mp4',
                    'size' => 56,
                    'active' => true,
                ],
                'file_19.mp4' => (object) [
                    'name' => 'file_19.mp4',
                    'size' => 77,
                    'active' => false,
                ],
                'file_33.mp4' => (object) [
                    'name' => 'file_33.mp4',
                    'size' => 81,
                    'active' => true,
                ],
            ]
        ],
        'dir_13' => [],
        'dir_101' => [],
        'dir_66' => [],
    ]
];

$nat_ksort_r = function(&$data) use (&$nat_ksort_r) {
    if (is_array($data)) {
        ksort($data, SORT_NATURAL);
        foreach ($data as &$item) {
            $nat_ksort_r($item);
        }
    }
};
$nat_ksort_r($array);
var_export($array);

Output for git.master, git.master_jit, rfc.property-hooks: array ( 'fake_level' => array ( 'dir_7' => array ( 'subdir_1' => array ( 'file_5.mp4' => (object) array( 'name' => 'file_5.mp4', 'size' => 56, 'active' => true, ), 'file_19.mp4' => (object) array( 'name' => 'file_19.mp4', 'size' => 77, 'active' => false, ), 'file_33.mp4' => (object) array( 'name' => 'file_33.mp4', 'size' => 81, 'active' => true, ), ), ), 'dir_13' => array ( ), 'dir_66' => array ( ), 'dir_101' => array ( ), ), 'first_level' => array ( 'dir_1' => array ( 'subdir_1' => array ( 'file_8.mp4' => (object) array( 'name' => 'file_8.mp4', ), ), 'subdir_2' => array ( 'file_6.mp4' => (object) array( 'name' => 'file_6.mp4', ), 'file_7.mp4' => (object) array( 'name' => 'file_7.mp4', ), 'file_9.mp4' => (object) array( 'name' => 'file_9.mp4', ), 'file_17.mp4' => (object) array( 'name' => 'file_17.mp4', ), ), ), 'dir_3' => array ( 'subdir_1' => array ( 'file_1.mp4' => (object) array( 'name' => 'file_1.mp4', ), 'file_2.mp4' => (object) array( 'name' => 'file_2.mp4', ), ), ), ), )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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