PHP使用外部数组根据不同的条件进行多排序 - PHP multi sort by different conditions using an external array

PHP multi sort by different conditions using an external array

本文关键字：条件排序外部数组 PHP | 更新日期: 2023-09-26

我有一个像

这样的数组

Array
(
    [0] => Array
        (
            [id] => 21
            [time] => FOUR_DAY
            [zones] => 25
        )
    [1] => Array
        (
            [id] => 20
            [time] => THREE_DAY
            [zones] => 2
        )
    [2] => Array
        (
            [id] => 22
            [time] => ONE_DAY
            [zones] => 2
        )
    [3] => Array
        (
            [id] => 24
            [time] => ONE_DAY
            [zones] => 2
        )
)

我需要的是

1-按'time'字段排序，使用

$time = array('ONE_DAY','TWO_DAYS','THREE_DAYS','FOUR_DAYS','FIVE_DAYS');

2-然后将上述结果按"zone"按ASC顺序排序。

预期输出:

Array
(
    [0] => Array
        (
            [id] => 22
            [time] => ONE_DAY
            [zones] => 2
        )
    [1] => Array
        (
            [id] => 24
            [time] => ONE_DAY
            [zones] => 2
        )
    [2] => Array
        (
            [id] => 20
            [time] => THREE_DAY
            [zones] => 2
        )
    [3] => Array
        (
            [id] => 21
            [time] => FOUR_DAY
            [zones] => 25
        )
)

请给我一个好的选择。我已经尝试了usort的"时间"字段和multi_sort函数。但还是原地不动。提前感谢!!

您应该使用usort来完成这项工作。

试试这样写:

$sorted = usort($notSorted, function($a, $b) {
    //array of times to compare
    $time = array('ONE_DAY','TWO_DAYS','THREE_DAYS','FOUR_DAYS','FIVE_DAYS');
    //check index of time in $times array
    $aKey = array_search($a['time'], $times);
    $bKey = array_search($b['time'], $times);
    //if the same - then compare by zones;
    if($aKey == $bkey) {
       return $a['zones'] - $b['zones'];
    //else compare by time's indexes
    } else {
      return ($aKey-$bKey);
    }
});

Not testing by表示这个想法。

查看PHP手册中usort的详细信息

  $order = array("ONE_DAY","TWO_DAY","THREE_DAY","FOUR_DAY");
  $test[4] =array("id"=>21,"time"=>"FOUR_DAY","zones"=>25);
  $test[1] =array("id"=>20,"time"=>"THREE_DAY","zones"=> 2);
  $test[2] =array("id"=>22,"time"=>"ONE_DAY","zones"=>2);
  $test[3] =array("id"=>24,"time"=>"ONE_DAY","zones"=>2);      
  $newarray=array();
  foreach($test as $kk=>$t){
    $newarray[$kk]=$t["time"];      
  }      
  $final=array();      
  foreach($order as $key=>$f){  
   $mykey=array_keys($newarray,$f);

   if(is_array($mykey)){
      foreach($mykey as $key){
        $final[]=$test[$key];
      }
   }   
  }  
  echo "<pre>";
  print_r($final);
  echo "</pre>";

谢谢大家!我终于找到了解决问题的办法。
由于$time是预定义值，所以

代替

<>之前时间=美元阵列("一天"、"TWO_DAYS",‘THREE_DAYS’,‘FOUR_DAYS’,‘FIVE_DAYS’),之前

<>之前时间=美元阵列(1 => '一天',2 => TWO_DAYS, 3 => THREE_DAYS, 4 => FOUR_DAYS, 5 => ' FIVE_DAYS '); 之前

使用array_multisort代替 ussort

<>之前foreach($myArray as $key=>$response){'在这里输入代码'$sortNumber = array_search($response['time']，$time);$myArray [$key]['numericTimes'] = ($sortNumber)?$sortNumber:"NULL";$sortByTime[$key] = array_search($response['time']，$time);$sortBtZone[$key] = $response['zones'];} 'array_multisort($ sort_bytime, SORT_ASC， $sortBtZone, SORT_ASC， $myArray);之前

希望这对某些人有所帮助!!
谢谢! !