现有数组如下:Array
(
[0] => Array
(
[item] => 上衣
[num] => 10
[sku] => 101012
) [1] => Array
(
[item] => 裤子
[num] => 15
[sku] => 201012
) [2] => Array
(
[item] => 上衣
[num] => 16
[sku] => 101012
) [3] => Array
(
[item] => 上衣
[num] => 11
[sku] => 232410
)
)
需要把item && sku相同的元素中的num相加,得到下面的数组,求高手给出代码和思路。Array
(
[0] => Array
(
[item] => 上衣
[num] => 26
[sku] => 101012
) [1] => Array
(
[item] => 裤子
[num] => 15
[sku] => 201012
) [2] => Array
(
[item] => 上衣
[num] => 11
[sku] => 232410
)
)
(
[0] => Array
(
[item] => 上衣
[num] => 10
[sku] => 101012
) [1] => Array
(
[item] => 裤子
[num] => 15
[sku] => 201012
) [2] => Array
(
[item] => 上衣
[num] => 16
[sku] => 101012
) [3] => Array
(
[item] => 上衣
[num] => 11
[sku] => 232410
)
)
需要把item && sku相同的元素中的num相加,得到下面的数组,求高手给出代码和思路。Array
(
[0] => Array
(
[item] => 上衣
[num] => 26
[sku] => 101012
) [1] => Array
(
[item] => 裤子
[num] => 15
[sku] => 201012
) [2] => Array
(
[item] => 上衣
[num] => 11
[sku] => 232410
)
)
(
'0' => Array
(
'item' => '上衣',
'num' => 10,
'sku' => 101012
), '1' => Array
(
'item' => '裤子',
'num' => 15,
'sku' => 201012
), '2' => Array
(
'item' => '上衣',
'num' => 16,
'sku' => 101012
), '3' => Array
(
'item' => '上衣',
'num' => 11,
'sku' => 232410
)
);
$ar=array();
foreach($arr as $v){
if(!$ar[$v['item'].'_'.$v['sku']])
$ar[$v['item'].'_'.$v['sku']]=$v;
else
$ar[$v['item'].'_'.$v['sku']]['num']+=$v['num'];
}
print_r(array_values($ar));