在等键上组合两个数组
在等键上组合两个数组
提问于 2014-04-07 18:34:44
在给定以下数组的情况下，如何组合两个数组，其中第一个数组的State = State，第二个数组的ProgramName = ProgramName？
Array
(
[0] => stdClass Object
(
[Year] => 2013
[State] => AK
[ProgramName] => Medicaid
[Age21Total] => 56324
[Age21FFS] => 56324
[Age21MCO] => 56324
[Age21Other] =>
[Under21Total] =>
[Under21FFS] =>
[Under21MCO] =>
[Under21Other] =>
)
[1] => stdClass Object
(
[Year] => 2013
[State] => AK
[ProgramName] => Medicaid
[Age21Total] =>
[Age21FFS] =>
[Age21MCO] =>
[Age21Other] =>
[Under21Total] => 99085
[Under21FFS] => 99085
[Under21MCO] => 99085
[Under21Other] =>
)
[2] => stdClass Object
(
[Year] => 2013
[State] => AK
[ProgramName] => CHIP
[Age21Total] => 563241
[Age21FFS] => 563241
[Age21MCO] => 563241
[Age21Other] =>
[Under21Total] =>
[Under21FFS] =>
[Under21MCO] =>
[Under21Other] =>
)
[3] => stdClass Object
(
[Year] => 2013
[State] => AK
[ProgramName] => CHIP
[Age21Total] =>
[Age21FFS] =>
[Age21MCO] =>
[Age21Other] =>
[Under21Total] => 990851
[Under21FFS] => 990851
[Under21MCO] => 990851
[Under21Other] =>
)
)我的尝试：
for($i = 0; $i < $rCt; ++$i){
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['Age 21+']['Total Enrolled'] = $responses[$i]->Age21Total;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['Age 21+']['FFS'] = $responses[$i]->Age21FFS;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['Age 21+']['MCO'] = $responses[$i]->Age21MCO;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['Age 21+']['Other'] = $responses[$i]->Age21Other;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['< Age 21']['Total Enrolled'] = $responses[$i]->Under21Total;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['< Age 21']['FFS'] = $responses[$i]->Under21FFS;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['< Age 21']['MCO'] = $responses[$i]->Under21MCO;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['< Age 21']['Other'] = $responses[$i]->Under21Other;
}正在制作：
Array
(
[Medicaid] => Array
(
[AK] => Array
(
[Age 21+] => Array
(
[Total Enrolled] =>
[FFS] =>
[MCO] =>
[Other] =>
)
[< Age 21] => Array
(
[Total Enrolled] => 99085
[FFS] => 99085
[MCO] => 99085
[Other] =>
)
)当我需要：
Array
(
[Medicaid] => Array
(
[AK] => Array
(
[Age 21+] => Array
(
[Total Enrolled] => 56324
[FFS] => 56324
[MCO] => 56324
[Other] =>
)
[< Age 21] => Array
(
[Total Enrolled] => 99085
[FFS] => 99085
[MCO] => 99085
[Other] =>
)
)那么，我如何才能产生我需要的数组呢？我通常假设包含数据的两个独立数组的array_merge，但是当state和programname对于每个元素相等时，我需要进行合并。
回答 2
Stack Overflow用户
回答已采纳
发布于 2014-04-07 18:45:53
这是因为当您在数组中循环时，第二次迭代的结果将击败第一次迭代。例如，您可能希望在将$responses[$i]->Age21Total分配给$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['Age 21+']['Total Enrolled']之前检查它是已定义的还是非空的。
编辑:使其更加明确：
for($i = 0; $i < $rCt; ++$i) {
if (strlen($responses[$i]->Age21Total) != 0) {
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['Age 21+']['Total Enrolled'] = $responses[$i]->Age21Total;
}
}Stack Overflow用户
发布于 2014-04-07 19:04:51
这样行吗？
for($i = 0; $i < $rCt; ++$i){
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['Age 21+']['Total Enrolled'] = $responses[0]->Age21Total;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['Age 21+']['FFS'] = $responses[0]->Age21FFS;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['Age 21+']['MCO'] = $responses[0]->Age21MCO;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['Age 21+']['Other'] = $responses[0]->Age21Other;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['< Age 21']['Total Enrolled'] = $responses[1]->Under21Total;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['< Age 21']['FFS'] = $responses[1]->Under21FFS;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['< Age 21']['MCO'] = $responses[1]->Under21MCO;
$response_tree[$responses[$i]->ProgramName][$responses[$i]->State]['< Age 21']['Other'] = $responses[1]->Under21Other;
}页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/22920366
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