<?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);
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Value for `_results` contains invalid data `array`