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<?php $arrays = [ [ "name" => "Md. XXXX", "email" => "abc@gmail.com", 0 => [ "market_code" => "mirpurA203" ] ], [ "name" => "Md. XX", "email" => "def@gmail.com", 0 => [ "market_code" => "mirpurA203" ] ] ]; foreach ($arrays as $key => $array) { foreach($array[0] as $k => $v) { $arrays[$key][$k] = $v; } unset($arrays[$key][0]); } print_r($arrays);

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