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<?php $a = array("81799" => Array ( "TOTAL_HITS" => 254, "UNIQUE_HITS" => 82 ) ); $b = array("81799" => Array ( "ACTIVATION" => 7561.60, "RENEWAL" => 300, "ACT_REVENUE" => 7310.22 ) ); foreach($a as $key_a => $val_a) { $temp = $b[$key_a] + $val_a; //$result[$key_a] = $b[$key_a]; $result[$key_a] = $temp; } print_r($result);

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