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@ 2018-10-05T04:27:25Z

<?php
$array = array ( array ( 'dnu' => 121428, 'd1' => 43, 'd3' => 27, 'd7' => 20, 'd15' => 15, 'd30' => 12 ) );
print_r($array);
$result = [];
foreach($array[0] as $key=>$value){
    $result[] = ['col'=>$key,'value'=>$value];
    
}

echo json_encode($result);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
json_encode: documentation ( source)

preferences:dark modelive previewkey bindings

31.04 ms | 405 KiB | 5 Q