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<?php $array = [ [["value" => 1100], ["value" => 1000], ["value" => 3000]], [["value" => 1200], ["value" => 2000], ["value" => 2000]], [["value" => 1300], ["value" => 4000], ["value" => 1000]], ]; echo array_reduce( array_column($array, 0, 'value'), fn($ac, $el) => $ac+$el['value'], 0 ); foreach($array as $key => $point){ $arr[] = [ 'value' => array_sum(array_column( array_column($array,$key),'value')) ]; } print_r($arr);
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