我有一个像这样结构化的可变大小数组（categories只是data中的一个键）：
print_r($json[123]["data"]["categories"]);
array(
array(
'id' => '2',
'description' => 'Single-player'
),
array(
'id' => '1',
'description' => 'Multi-player'
),
array(
'id' => '9',
'description' => 'Co-op'
),
array(
'id' => '22',
'description' => 'Steam Achievements'
),
array(
'id' => '28',
'description' => 'Full controller support'
)
)
print_r($json[456]["data"]["categories"]);
array(
array(
'id' => '21',
'description' => 'Downloadable Content'
),
array(
'id' => '1',
'description' => 'Multi-player'
)
)
现在，我想合并这些子数组（它们可以是可变数）并添加和替换所有键。我已经尝试过array_merge，但它会替换密钥而不添加新密钥 在这种情况下，我需要获取此数组：
print_r($merged["data"]["categories"]);
array(
array(
'id' => '2',
'description' => 'Single-player'
),
array(
'id' => '1',
'description' => 'Multi-player'
),
array(
'id' => '9',
'description' => 'Co-op'
),
array(
'id' => '22',
'description' => 'Steam Achievements'
),
array(
'id' => '28',
'description' => 'Full controller support'
),
array(
'id' => '21',
'description' => 'Downloadable Content'
)
)
任何帮助？
修改
我想我没有表现得很好。 $json[$id]["data"]有多个我要合并的密钥（categories只是一个例子）。 $json[$id]个键的数量也是变量的
的 EDIT2：
数组可以具有重复值，并且键的深度可以是可变的。我需要得到像array_merge_recursive()这样的东西，但是替换了相同的值
的 EDIT3：
这是当前的数组。 http://pastebin.com/7x7KaAVM我需要合并所有具有子数组的键
答案 0 :(得分：0)
试试这个。为了概括，我添加了一些更多的数组。
<?php
$merged_array = array();
$final_array = array();
$json[123]["data"]["categories"] = array(
array(
'id' => '2',
'description' => 'Single-player'
),
array(
'id' => '1',
'description' => 'Multi-player'
),
array(
'id' => '9',
'description' => 'Co-op'
),
array(
'id' => '22',
'description' => 'Steam Achievements'
),
array(
'id' => '28',
'description' => 'Full controller support'
)
);
$json[456]["data"]["categories"] = array(
array(
'id' => '21',
'description' => 'Downloadable Content'
)
);
$json[786]["data"]["categories"] = array(
array(
'id' => '31',
'description' => 'Downloadable Content'
)
);
$json[058]["data"]["categories"] = array(
array(
'id' => '41',
'description' => 'Downloadable Content'
)
);
foreach($json as $key=>$value){
array_push($merged_array,$json[$key]["data"]["categories"]);
}
foreach($merged_array as $value){
foreach($value as $val){
array_push($final_array,$val);
}
}
print_r($final_array);
?>
<强> RESULT
Array
(
[0] => Array
(
[id] => 2
[description] => Single-player
)
[1] => Array
(
[id] => 1
[description] => Multi-player
)
[2] => Array
(
[id] => 9
[description] => Co-op
)
[3] => Array
(
[id] => 22
[description] => Steam Achievements
)
[4] => Array
(
[id] => 28
[description] => Full controller support
)
[5] => Array
(
[id] => 21
[description] => Downloadable Content
)
[6] => Array
(
[id] => 31
[description] => Downloadable Content
)
[7] => Array
(
[id] => 41
[description] => Downloadable Content
)
)
答案 1 :(得分：0)
请尝试以下代码：
$json = array(
'123' => array('data' => array('categories' => array(
array(
'id' => '2',
'description' => 'Single-player'
),
array(
'id' => '1',
'description' => 'Multi-player'
),
array(
'id' => '9',
'description' => 'Co-op'
),
array(
'id' => '22',
'description' => 'Steam Achievements'
),
array(
'id' => '28',
'description' => 'Full controller support'
)
))
),
'456' => array('data' => array('categories' => array(
array(
'id' => '21',
'description' => 'Downloadable Content'
)
))
),
);
//print_r($json);
$merged = array();
foreach($json as $j1)
{
foreach($j1 as $j2)
{
foreach($j2 as $key => $j3)
{
foreach($j3 as $j4)
{
$merged[$key][] = $j4;
}
}
}
}
print_r($merged);
的结果：
Array
(
[categories] => Array
(
[0] => Array
(
[id] => 2
[description] => Single-player
)
[1] => Array
(
[id] => 1
[description] => Multi-player
)
[2] => Array
(
[id] => 9
[description] => Co-op
)
[3] => Array
(
[id] => 22
[description] => Steam Achievements
)
[4] => Array
(
[id] => 28
[description] => Full controller support
)
[5] => Array
(
[id] => 21
[description] => Downloadable Content
)
)
)
的演示：