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多维数组中相同元素相加问题
本帖最后由 myths621 于 2013-03-19 12:04:11 编辑
首次发帖,请假高手
我从redis中取出五维数组需要处理相加,如下
$a = array(
0 => array(
0=> array(
"date" => "201201",
"area"=> array(
12 => array(
click => "3",
traffic => "30"
)
)
),
1=> array(
"date" => "201202",
"area"=> array(
12 => array(
click => "8",
traffic => "40"
),
8=> array(
click => "5",
traffic => "50"
)
)
)
),
1 => array(
0=> array(
"date" => "201201",
"area"=> array(
12 => array(
click => "9",
traffic => "20"
),
8=> array(
click => "6",
traffic => "60"
)
)
),
1=> array(
"date" => "201202",
"area" => NULL
)
),
);
希望数据处理后,相同date前提下,area里相同的key所对应的click和traffic值相加,即0和1这两个大数组,date为201001的,area中12所对应的click和traffic处理后应该是12和50,8对应的是6和60,其他类推,求遍历或其他能处理成功的方法,感激不尽~!
多维数组
------解决方案--------------------最后结果是怎么样的? 贴一下。
------解决方案--------------------$t = array();
foreach ($a as $k=>$v)
{
foreach ($v as $k1=>$v1)
{
$t[0][$k1]['date'] = $v1['date'];
foreach ($v1['area'] as $k2=>$v2)
{
$t[0][$k1]['area'][$k2]['click'] += $v2['click'];
$t[0][$k1]['area'][$k2]['traffic'] += $v2['traffic'];
}
}
}
echo "";
print_r($t);
echo "";
结果如下:
Array
(
[0] => Array
(
[0] => Array
(
[date] => 201201
[area] => Array
(
[12] => Array
(
[click] => 12
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