PHP数组使用特定键值对关联数组进行排序
我有一个数组,需要使用键值“odbyx”进行排序 这是数组var\u dumpPHP数组使用特定键值对关联数组进行排序,php,arrays,sorting,multidimensional-array,Php,Arrays,Sorting,Multidimensional Array,我有一个数组,需要使用键值“odbyx”进行排序 这是数组var\u dump array(12) { ["id"]=> array(7) { [0]=> string(1) "8" [1]=> string(1) "7" [2]=> string(1) "3" [3]=> string(1) "6" [4]=> string(1) "5" [5]=>
array(12) {
["id"]=> array(7) {
[0]=> string(1) "8"
[1]=> string(1) "7"
[2]=> string(1) "3"
[3]=> string(1) "6"
[4]=> string(1) "5"
[5]=> string(1) "2"
[6]=> string(1) "1"
}
["subject"]=> array(7) {
[0]=> string(14) "ticke tick sbj"
[1]=> string(13) "new tick test"
[2]=> string(15) "fdsfdsfdsfdsfds"
[3]=> string(12) "test subject"
[4]=> string(4) "test"
[5]=> string(4) "test"
[6]=> string(12) "test subject"
}
["msg"]=> array(7) {
[0]=> string(9) "test+tick"
[1]=> string(4) "test"
[2]=> string(9) "dfdsfdsfd"
[3]=> string(12) "test+tcikets"
[4]=> string(4) "test"
[5]=> string(12) "test+message"
[6]=> string(7) "tssssss"
}
["department"]=> array(7) {
[0]=> string(10) "Technician"
[1]=> string(5) "Admin"
[2]=> string(5) "Admin"
[3]=> string(10) "Technician"
[4]=> string(10) "Technician"
[5]=> string(5) "Admin"
[6]=> string(5) "Admin"
}
["priorety"]=> array(7) {
[0]=> string(3) "Low"
[1]=> string(6) "Normal"
[2]=> string(3) "Low"
[3]=> string(3) "Low"
[4]=> string(4) "High"
[5]=> string(6) "Normal"
[6]=> string(3) "Low"
}
["status"]=> array(7) {
[0]=> string(4) "open"
[1]=> string(8) "answered"
[2]=> string(8) "answered"
[3]=> string(4) "open"
[4]=> string(4) "open"
[5]=> string(4) "open"
[6]=> string(6) "closed"
}
["dateAded"]=> array(7) {
[0]=> string(19) "2017-10-01 12:34:56"
[1]=> string(19) "2017-09-27 13:41:09"
[2]=> string(19) "2017-09-17 13:53:04"
[3]=> string(19) "2017-09-25 15:00:48"
[4]=> string(19) "2017-09-23 10:41:24"
[5]=> string(19) "2017-09-17 13:31:56"
[6]=> string(19) "2017-09-17 12:37:22"
}
["dateClosed"]=> array(7) {
[0]=> string(19) "0000-00-00 00:00:00"
[1]=> string(19) "0000-00-00 00:00:00"
[2]=> string(19) "0000-00-00 00:00:00"
[3]=> string(19) "0000-00-00 00:00:00"
[4]=> string(19) "0000-00-00 00:00:00"
[5]=> string(19) "2017-09-30 13:41:09"
[6]=> string(19) "2017-09-17 13:40:53"
}
["dateActivity"]=> array(7) {
[0]=> string(19) "2017-10-01 12:34:56"
[1]=> string(19) "2017-10-01 07:49:20"
[2]=> string(19) "2017-09-26 10:35:36"
[3]=> string(19) "2017-09-25 15:00:48"
[4]=> string(19) "2017-09-23 10:41:24"
[5]=> string(19) "2017-09-17 13:41:21"
[6]=> string(19) "2017-09-17 13:40:53"
}
["userId"]=> array(7) {
[0]=> string(1) "4"
[1]=> string(1) "4"
[2]=> string(1) "3"
[3]=> string(1) "4"
[4]=> string(1) "7"
[5]=> string(1) "3"
[6]=> string(1) "2"
}
["res"]=> string(4) "true"
["odbyx"]=> array(7) {
[0]=> int(1)
[1]=> int(2)
[2]=> int(3)
[3]=> int(2)
[4]=> int(3)
[5]=> int(3)
[6]=> int(3)
}
}
阵列背后的逻辑
$array = array
(
"id" => $id,
"subject" => $subject,
"msg" => $msg,
"department" => $department,
"priorety" => $priorety,
"status" => $status,
"dateAded" => $dateAded,
"dateClosed" => $dateClosed,
"dateActivity" => $dateActivity,
"userId" => $userId,
"res" => $res,
"odbyx"=>$odbyx
);
我尝试使用下面的代码进行排序,但似乎不起作用
array_multisort(array_column($array, 'odbyx'), SORT_DESC, $array);
odbyx字段保存优先级值(1,2,3)
我需要使用该值对主数组进行排序,这样我就可以在表的开始位置显示最高优先级字段
我想使用“odbyx”降序对$array进行排序
id数组的示例输出,其他数组也需要立即排序。
["id"]=> array(7) { [0]=> string(1) "6" [1]=> string(1) "5" [2]=> string(1) "4" [3]=> string(1) "3" [4]=> string(1) "7" [5]=> string(1) "6" [6]=> string(1) "8" }
正确使用
另见:
您的示例是无效的
预期结果中的第一个条目:0=>6'
可能的解释odbyx索引==id索引
odbyx
中的索引是否应与id
中的索引匹配
i、 e.:$array['id'][3]
应按$array['odbyx'][3]
如果是这种情况,那么您提供的代码应该为第一个索引生成0=>'8'
(odbyx 1的优先级高于3),或者0=>'1'
(3更高)
可能的解释odbyx索引==id值
odbyx
中的索引是否应与id
中的id值匹配
i、 例如:$array['odbyx'][1]
的值决定了$array['id'][6]='1'
在这种情况下,结果应该是0=>2'
所有这些可能的解释都与示例中的第一个结果不匹配。这里的课程是规范,即:在stackoverflow或其他任何地方,仔细定义和描述解决问题所需的具体条件
这是一个开始
由于您要求解决的问题很复杂,定义不明确,需要大量的编码和测试,并且对性能有重大影响,因此我将为您提供上述不可能解释之一的解决方案。祝你好运
Class SimpleSorter
{
private $orderBy;
private $sortMe;
public static function sortByIndexedOrderField(array $sortMe, array $byMe)
{
$sorter = new self($sortMe);
return $sorter->applyIndexedOrder($byMe);
}
public function __construct(array $sortMe)
{
$this->sortMe = $sortMe;
}
public function applyIndexedOrder(array $byMe): array
{
$this->orderBy = $byMe;
$keys = array_keys($this->sortMe);
// sort, first by odbyx, then by value
usort($keys, function($a,$b){
$odbyx = 0;
if (array_key_exists($a, $this->orderBy) && array_key_exists($b, $this->orderBy)) {
$odbyx = $this->orderBy[$b] <=> $this->orderBy[$a];
}
if (0 !== $odbyx) {
return $odbyx;
}
return $this->sortMe[$a] <=> $this->sortMe[$b];
});
// reorder by new key order
$result = [];
foreach($keys as $key) {
$result[$key] = $this->sortMe[$key];
}
return $result;
}
}
$array = [];
$array["id"] = [
0 => '8',
1 => '7',
2 => '3',
3 => '6',
4 => '5',
5 => '2',
6 => '1',
];
$array["odbyx"] = [
0 => 1,
1 => 2,
2 => 3,
3 => 2,
4 => 3,
5 => 3,
6 => 3,
];
$idsSorted = SimpleSorter::sortByIndexedOrderField($array["id"], $array["odbyx"]);
print_r($idsSorted);
类SimpleSorter
{
私人$orderBy;
私人$sortMe;
公共静态函数sortByIndexedOrderField(数组$sortMe,数组$byMe)
{
$sorter=新自我($sortMe);
返回$sorter->applyIndexedOrder($byMe);
}
公共函数构造(数组$sortMe)
{
$this->sortMe=$sortMe;
}
公共函数applyIndexedOrder(数组$byMe):数组
{
$this->orderBy=$byMe;
$keys=array_keys($this->sortMe);
//排序,先按odbyx排序,然后按值排序
usort($keys,function($a,$b){
$odbyx=0;
如果(array_key_存在($a,$this->orderBy)和&array_key_存在($b,$this->orderBy)){
$odbyx=$this->orderBy[$b]$this->orderBy[$a];
}
如果(0!=$odbyx){
返回$odbyx;
}
返回$this->sortMe[$a]$this->sortMe[$b];
});
//按新键顺序重新排序
$result=[];
foreach($key作为$key){
$result[$key]=$this->sortMe[$key];
}
返回$result;
}
}
$array=[];
$array[“id”]=[
0 => '8',
1 => '7',
2 => '3',
3 => '6',
4 => '5',
5 => '2',
6 => '1',
];
$array[“odbyx”]=[
0 => 1,
1 => 2,
2 => 3,
3 => 2,
4 => 3,
5 => 3,
6 => 3,
];
$IDSSORDED=SimpleStorer::sortByIndexedOrderField($array[“id”],$array[“odbyx”]);
打印(已排序);
您需要输出?当排序优先级排序(3333221)id数组输出时,整个数组需要排序[“id”]=>array(7){[0]=>string(1)“6”[1]=>string(1)“5”[2]=>string(1)“4”[3]=>string(1)“3”[4]=>string(1)“7”[5]=>string(1)“6”=>string(1)“8”}您能否更新问题中的预期输出,因为它不是clear@ArunKumaresh我补充说