Online PHP editor | output for O6Q7p

@ 2018-02-17T02:38:08Z

<?php
$array=[
    [
        'id_station'=>2397,
        'hour'=>12,
        'data'=>['cameraon'=>355654,'cameraoff'=>4532,'camerabroken'=>76745]
    ],
    [
        'id_station'=>2399,
        'hour'=>14,
        'data'=>['cameraon'=>3905466,'cameraoff'=>1672,'camerabroken'=>70780]
    ]
];
$datas=array_column($array,'data');
foreach(current($datas) as $column=>$data){
    $result[$column]=array_sum(array_column($datas,$column));
}
$array[]=['id_station'=>'','hour'=>'','data'=>$result];
var_export($array);

Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: array ( 0 => array ( 'id_station' => 2397, 'hour' => 12, 'data' => array ( 'cameraon' => 355654, 'cameraoff' => 4532, 'camerabroken' => 76745, ), ), 1 => array ( 'id_station' => 2399, 'hour' => 14, 'data' => array ( 'cameraon' => 3905466, 'cameraoff' => 1672, 'camerabroken' => 70780, ), ), 2 => array ( 'id_station' => '', 'hour' => '', 'data' => array ( 'cameraon' => 4261120, 'cameraoff' => 6204, 'camerabroken' => 147525, ), ), )

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