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@ 2023-07-03T09:03:49Z

<?php

$array = [    

    0 => [  
        "label"    =>  "Radiator",  
        "details"  =>   [[  
                            "label"     => "Condition",  
                            "value"     => "New",
                        ], 
                        [  
                            "label"     => "Type",  
                            "value"     => "Wall",
                        ]],
    ],  
    1 => [  
        "label"    =>  "Airco",  
        "details"  =>   [[  
                            "label"     => "Condition",  
                            "value"     => "New",
                        ], 
                        [  
                            "label"     => "Type",  
                            "value"     => "",
                        ]], 
    ], 
    2 => [  
        "label"    =>  "Refrigerator",  
        "details"  =>   [[  
                            "label"     => "Condition",  
                            "value"     => "Bad",
                        ], 
                        [  
                            "label"     => "Type",  
                            "value"     => "Wall",
                        ]], 
    ],
];

foreach($array as &$row){
    foreach($row['details'] as $key => $record){
        if(strlen($record['value']) == 0){
            unset($row['details'][$key]);
        }
    }
}

print_r($array);

Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14: Array ( [0] => Array ( [label] => Radiator [details] => Array ( [0] => Array ( [label] => Condition [value] => New ) [1] => Array ( [label] => Type [value] => Wall ) ) ) [1] => Array ( [label] => Airco [details] => Array ( [0] => Array ( [label] => Condition [value] => New ) ) ) [2] => Array ( [label] => Refrigerator [details] => Array ( [0] => Array ( [label] => Condition [value] => Bad ) [1] => Array ( [label] => Type [value] => Wall ) ) ) )

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