我有一个需要使用键值“odbyx”进行排序的数组
这是数组var_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]=> 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，但似乎无法正常工作
array_multisort(array_column($array, 'odbyx'), SORT_DESC, $array);
odbyx 字段保留优先级值(1,2,3)。
我需要使用该值对主数组进行排序，因此我可以在表的开头显示最高优先级字段
我想使用“ odbyx ” 降序对 $ array 进行排序
示例id数组的输出，其他数组也需要一次排序。
["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" }
最佳答案
正确使用usort
另请参阅:Sort Multi-dimensional Array by Value
您的示例是无效
预期结果中的第一个条目:0 => '6'
可能的解释odbyx-index == id-indexodbyx中的索引是否应该匹配id中的索引？
即:$array['id'][3]应该按$array['odbyx'][3]排序
如果是这种情况，那么您提供的代码应该为第一个索引产生0 => '8'(比3高odbyx 1的优先级)，或者为0 => '1'(3更高)。
可能的解释odbyx-index == id-valueodbyx中的索引是否应该与id中的id 值匹配？
即:$array['odbyx'][1]的值确定$array['id'][6] = '1'的排序
在这种情况下，结果应为0 => '2'
这些可能的解释甚至都不符合您的示例中的第一个结果。此处的类(class)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特定条件。
这是一个开始的地方
由于您要解决的问题很复杂，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，我将为您提供上述解决方案之一。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);
关于PHP数组使用特定键值对关联数组进行排序，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/46514196/