PHP組多維數組？

-1

$arr = Array 
    (
    Array(
      "id" => "1", 
      "player_name" => "Jack", 
      "type" => "Arcades", 
      "high_score"=> "10000", 
      "score"=> "500", 
     ), 
    Array(
      "id" => "1", 
      "player_name" => "Jack", 
      "type" => "Racing", 
      "high_score"=> "12000", 
      "score"=> "700", 
     ), 
    Array(
      "id" => "2", 
      "player_name" => "Steve", 
      "type" => "Racing", 
      "high_score"=> "10000", 
      "score"=> "400", 
     ), 
    Array(
      "id" => "2", 
      "player_name" => "Steve", 
      "type" => "Arcades", 
      "high_score"=> "12000", 
      "score"=> "600", 
     ), 
    Array(
      "id" => "2", 
      "player_name" => "Steve", 
      "type" => "Casual", 
      "high_score"=> "14000", 
      "score"=> "650", 
     ), 
    Array(
      "id" => "2", 
      "player_name" => "Steve", 
      "type" => "Strategy", 
      "high_score"=> "10000", 
      "score"=> "500", 
     ), 
    );

預期輸出：PHP組多維數組？

$arr = Array (
    '1'=> 
    Array(
      "id" => "1", 
      "player_name" => "Jack", 
      "type" => "Arcades,Racing", 
      "high_score"=> "12000", 
      "score"=> "1200", 
     ), 
    '2'=> 
    Array(
      "id" => "2", 
      "player_name" => "Steve", 
      "type" => "Racing,Arcades,Casual,Strategy", 
      "high_score"=> "14000", 
      "score"=> "2150", 
     ), 
);

我混淆有關如何使用多維到組陣列按預期輸出。我的高級建議我使用多維數組，因爲我嘗試了很多次，但我不知道如何分組數組，請問有人能幫助我！

來源

2016-10-03 Aeron Martin

foreach($arr as $val) 
{ 
    $newarray[$val['id']]['id']=$val['id']; 
    $newarray[$val['id']]['player_name']=$val['player_name']; 
    $newarray[$val['id']]['type']=isset($newarray[$val['id']]['type'])?$newarray[$val['id']]['type'].','.$val['type']:$val['type']; 
    $newarray[$val['id']]['high_score']=$val['high_score']; 
     $newarray[$val['id']]['score']=isset($newarray[$val['id']]['score'])?$val['score']+$newarray[$val['id']]['score']:$val['score']; 
} 
print_r($newarray);

來源

2016-10-03 07:56:36 Shahrukh

@nice ...但是這會給high_score爲10000 ID 2是14000，但整體的短期和快速:) +1簡短的回答 – user1234

高分也可以用一個條件每次迭代 – Shahrukh

感謝檢查求助！ –

嗨試試這個。

$output = array(); 
foreach($arr as $array){  
    if(array_key_exists($array['id'],$output)){ 
     $output[$array['id']][0]['type'] = $output[$array['id']][0]['type'].','.$array['type']; 
     $output[$array['id']][0]['high_score'] = $output[$array['id']][0]['high_score'] > $array['high_score'] ? $output[$array['id']][0]['high_score'] : $array['high_score']; 
     $output[$array['id']][0]['score'] = $output[$array['id']][0]['score'] + $array['score']; 

    }else { 
     $output[$array['id']][] = $array; 
     } 

} 

echo "<pre>";print_r($output);

輸出

Array 
(
    [1] => Array 
     (
      [0] => Array 
       (
        [id] => 1 
        [player_name] => Jack 
        [type] => Arcades,Racing 
        [high_score] => 12000 
        [score] => 1200 
       ) 

     ) 

    [2] => Array 
     (
      [0] => Array 
       (
        [id] => 2 
        [player_name] => Steve 
        [type] => Racing,Arcades,Casual,Strategy 
        [high_score] => 14000 
        [score] => 2150 
       ) 

     ) 

)

來源

2016-10-03 08:05:18 user1234

這裏是您的解決方案。

$res = []; 
$highScore = []; 
$type = []; 
$score= []; 
foreach($arr as $val){ 
    $highScore[$val['player_name']][] = $val['high_score']; 
    $type[$val['player_name']][] = $val['type']; 
    $score[$val['player_name']][] = $val['score']; 
    $res[$val['id']] = $val;   
    $res[$val['id']]['high_score'] = !empty($highScore[$val['player_name']])? max($highScore[$val['player_name']]) : ''; 
    $res[$val['id']]['type'] = !empty($type[$val['player_name']]) ? implode(',',$type[$val['player_name']]) : ''; 
    $res[$val['id']]['score'] = !empty($score[$val['player_name']]) ? array_sum($score[$val['player_name']]) : 0; 
} 
echo '<pre>'; print_r($res);

來源

2016-10-03 08:12:31

但是，如果我添加另一個數組喜歡： - 數組（「id」=>「1」，「player_name」=>「標記」，「類型」=>「賽車」，「high_score」=>「12000」「=>」500「，），第一個記錄名稱變成標記，任何想法將第1組數據分成2個記錄，即第1組有2個記錄，例如千斤頂和標記？ –

感謝您的幫助！ –

PHP組多維數組？

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