我知道标题有点模糊,但我不知道该怎么写。我有一个包含名称和数字的数组。我想做的是把相同的名字组合起来,但把那个名字的数字加起来。
这里是数组:
array (array[0] => ([tom] => 4) array[1] => ([mike] => 6) array[2] => ([tom] => 6) array[3] => ([alice] => 9) array[4] => ([alice] => 10) array[5] => ([mike] => 3))
*很确定我在上面打错了,但我想你明白我的意思了吗?
因此,我不确定将名称组合为唯一的最佳方式,但同时将该名称的所有数字相加,因此最终结果看起来是这样的。
array ([tom] => 10 [mike] => 9 [alice] => 19)
谢谢。
从这里开始:
$source = array(
array('tom' => 4),
array('mike' => 6),
array('tom' => 6),
array('alice' => 9),
array('alice' => 10),
array('mike' => 3)
);
$result = array_fill_keys(array_map("key",$source),0);
foreach ($source as $person)
foreach ($person as $name => $value)
$result[$name] += $value;
var_dump($result);
$source = array(
array('tom' => 4),
array('mike' => 6),
array('tom' => 6),
array('alice' => 9),
array('alice' => 10),
array('mike' => 3)
);
$result = call_user_func_array('array_merge_recursive', $source);
echo '1st step: '; print_r($result);
$result = array_map('array_sum', $result);
echo '2nd step: '; print_r($result);
结果:
1st step: Array
(
[tom] => Array
(
[0] => 4
[1] => 6
)
[mike] => Array
(
[0] => 6
[1] => 3
)
[alice] => Array
(
[0] => 9
[1] => 10
)
)
2nd step: Array
(
[tom] => 10
[mike] => 9
[alice] => 19
)