php数组操作键
我从表中提取了一个数组php数组操作键,php,Php,我从表中提取了一个数组 arr1 = Array ( [0] => Array ( [option_value_id] => 30 [duration_id] => 1 [price_value] => 13 ) [1] => Array ( [option_value_id] => 30
arr1 = Array
(
[0] => Array
(
[option_value_id] => 30
[duration_id] => 1
[price_value] => 13
)
[1] => Array
(
[option_value_id] => 30
[duration_id] => 2
[price_value] => 14
)
[2] => Array
(
[option_value_id] => 30
[duration_id] =>3
[price_value] =>15
)
[4] => Array
(
[option_value_id] => 31
[duration_id] => 1
[price_value] => 16
)
[5] => Array
(
[option_value_id] => 31
[duration_id] => 2
[price_value] => 17
)
[6] => Array
(
[option_value_id] => 31
[duration_id] =>3
[price_value] => 18
)
在duration\u id数组中,我需要duration\u id作为键,option\u value\u id作为键
我的结果数组应该如下所示
Array
(
[1] => Array
(
[30] => 13
[31] => 16
)
[2] => Array
(
[30] => 14
[31] => 17
)
[3] => Array
(
[30] => 15
[31] => 18
)
)
?>
这应该可以做到:
$result = array();
foreach($arr1 as $val){
$result[$val['duration_id']][$val['option_value_id']] = $val['price_value'];
}