PHP:在多维数组中找到相同的键并合并结果 [英] PHP: find same keys in a multidimensional-array and merge the findings
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问题描述
我有一个多维数组,如下所示:
I have a multidimensional-array which looks like this:
$array = (
[0] => array (
['WS'] => array(
[id] => 2,
[name] => 'hello'
)
)
),
[1] => array (
['SS'] => array(
[id] => 1,
[name] => 'hello2'
)
)
),
[2] => array (
['WS'] => array(
[id] => 5,
[name] => 'helloAGAIN'
)
)
)
如您所见,$array[0] 和 $array[2] 具有相同的键 [WS].我需要一个函数来找到那些相同的键".之后我会将这两个数组合并为一个.例如
As you can see, $array[0] and $array[2] have the same key [WS]. I need a function to find those "same keys". Afterthat I would merge these two arrays into one. f.e.
$array =
(
[0] => array
(
['WS'] => array
(
[0] => array
(
[id] => 2,
[name] => 'hello'
),
[1] => array
(
[id] => 5,
[name] => 'helloAGAIN'
)
)
),
[1] => array
(
['SS'] => array
(
[0] => array
(
[id] => 1,
[name] => 'hello2'
)
)
)
)
希望你们能理解我的问题.问候
Hope you guys understand my problem. greets
推荐答案
function group_by_key ($array) {
$result = array();
foreach ($array as $sub) {
foreach ($sub as $k => $v) {
$result[$k][] = $v;
}
}
return $result;
}
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