PHP数组-4个单独的数组,但只希望返回一个值
看看这些阵列PHP数组-4个单独的数组,但只希望返回一个值,php,arrays,Php,Arrays,看看这些阵列 Array( [CompInvId] => 17 [Item] => w [Qty] => w [Tax_Rate] => 10 [Price] => w [ss] => w ) Array( [CompInvId] => 17 [Item] => 4 [Qty] => 4 [Tax_Rate] => 10 [Price] => 4 [ss] => 4 ) Array( [CompInvId] =
Array(
[CompInvId] => 17 [Item] => w [Qty] => w [Tax_Rate] => 10 [Price] => w [ss] => w
)
Array(
[CompInvId] => 17 [Item] => 4 [Qty] => 4 [Tax_Rate] => 10 [Price] => 4 [ss] => 4
)
Array(
[CompInvId] => 17 [Item] => 4 [Qty] => 4 [Tax_Rate] => 10 [Price] => 4 [ss] => 4
)
Array(
[CompInvId] => 17 [Item] => 4 [Qty] => 4 [Tax_Rate] => 20 [Price] => 4 [ss] => 4
)
如何从所有数组中仅获取值17?使用
foreach
遍历数组
foreach($arr as $key=>$val) // $arr is your array
{
$val['CompInvId'];
}
使用
foreach
迭代数组
foreach($arr as $key=>$val) // $arr is your array
{
$val['CompInvId'];
}
在这里,$array将是您的主数组(在问题中提到)
这里,$array将是您的主数组(在问题中提到)。这些数组是如何存储的?每个都在一个单独的变量中?在数组中?到目前为止您尝试了什么?这些数组是如何存储的?每个都在一个单独的变量中?在阵列中?到目前为止你尝试了什么?