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@ 2019-05-29T12:48:51Z

<?php

$array = [
    [
        'website' => [
            'id' => 'one'
        ],
        'children' => [
            [
                'website' => [
                    'id' => 'one.one'
                ],
                'children' => [
                    [
                        'website' => [
                            'id' => 'one.one.one'
                        ],
                        'children' => [
                            [
                                'website' => [
                                    'id' => 'one.one.one.one'
                                ],
                                'children' => []
                            ],
                            [
                                'website' => [
                                    'id' => 'one.one.one.two'
                                ],
                                'children' => []
                            ]
                        ]
                    ],
                    [
                        'website' => [
                            'id' => 'one.one.two'
                        ],
                        'children' => [
                            [
                                'website' => [
                                    'id' => 'one.one.two.one'
                                ],
                                'children' => []
                            ],
                            [
                                'website' => [
                                    'id' => 'one.one.two.two'
                                ],
                                'children' => []
                            ]
                        ]
                    ]
                ]
            ],
            [
                'website' => [
                    'id' => 'one.two'
                ],
                'children' => [
                    [
                        'website' => [
                            'id' => 'one.two.one'
                        ],
                        'children' => [
                            [
                                'website' => [
                                    'id' => 'one.two.one.one'
                                ],
                                'children' => []
                            ],
                            [
                                'website' => [
                                    'id' => 'one.two.one.two'
                                ],
                                'children' => []
                            ]
                        ]
                    ],
                    [
                        'website' => [
                            'id' => 'one.two.two'
                        ],
                        'children' => [
                            [
                                'website' => [
                                    'id' => 'one.two.two.one'
                                ],
                                'children' => []
                            ],
                            [
                                'website' => [
                                    'id' => 'one.two.two.two'
                                ],
                                'children' => []
                            ]
                        ]
                    ]
                ]
            ]
        ]
    ],
    [
        'website' => [
            'id' => 'two'
        ],
        'children' => []
    ]
];

function delete_entries(&$array, $ids_to_delete) {
    foreach ($array['children'] as $index => &$child) {
        if (in_array($child['website']['id'], $ids_to_delete)) {
            unset($array['children'][$index]);
        }
        delete_entries($child, $ids_to_delete);
    }
}

$excluded = array('two', 'one.one.two', 'one.two.one');
foreach ($array as $key => &$arr) {
    if (in_array($arr['website']['id'], $excluded)) {
        unset($array[$key]);
    }
    else {
        delete_entries($arr, $excluded);
    }
}

var_export($array);

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 ( 0 => array ( 'website' => array ( 'id' => 'one', ), 'children' => array ( 0 => array ( 'website' => array ( 'id' => 'one.one', ), 'children' => array ( 0 => array ( 'website' => array ( 'id' => 'one.one.one', ), 'children' => array ( 0 => array ( 'website' => array ( 'id' => 'one.one.one.one', ), 'children' => array ( ), ), 1 => array ( 'website' => array ( 'id' => 'one.one.one.two', ), 'children' => array ( ), ), ), ), ), ), 1 => array ( 'website' => array ( 'id' => 'one.two', ), 'children' => array ( 1 => array ( 'website' => array ( 'id' => 'one.two.two', ), 'children' => array ( 0 => array ( 'website' => array ( 'id' => 'one.two.two.one', ), 'children' => array ( ), ), 1 => array ( 'website' => array ( 'id' => 'one.two.two.two', ), 'children' => array ( ), ), ), ), ), ), ), ), )

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