@Cloud我已根据您的要求提供了功能，感谢@MI对此总和部分进行了研究。
$array = array( array("ID" => "126871","total"=>"200.00","currency"=>"USD","name"=>"John"), array("ID" => "126872","total"=>"2000.00","currency"=>"Euro","name"=>"John"), array("ID" => "126872","total"=>"1000.00","currency"=>"Euro","name"=>"John"), array("ID" => "126872","total"=>"500.00","currency"=>"USD","name"=>"John"), array("ID" => "126872","total"=>"1000.00","currency"=>"Euro","name"=>"John"),);echo "<pre>";print_r($array);function unique_multidim_array($array, $key,$key1,$addedKey) { $temp_array = array(); $i = 0; $key_array = array(); $key1_array = array(); foreach($array as $val) { if (!in_array($val[$key], $key_array) && !in_array($val[$key1], $key1_array)) { $key_array[$i] = $val[$key]; $key1_array[$i] = $val[$key1]; $temp_array[$i] = $val; }else{ $pkey = array_search($val[$key],$key_array); $pkey1 = array_search($val[$key1],$key1_array); if($pkey==$pkey1){ $temp_array[$pkey][$addedKey] += $val[$addedKey]; }else{ $key_array[$i] = $val[$key]; $key1_array[$i] = $val[$key1]; $temp_array[$i] = $val; } // die; } $i++; } return $temp_array; }$nArray = unique_multidim_array($array,"ID","currency","total");// die;print_r($nArray);die;
