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我有一个特定的数组键,我想得到,但它是后缀增量计数器。从数组中获取匹配键
Array
(
[nombre] => Carlos
[apellido] => Delfino
[sum1] => Array
(
[0] => Apple
[1] => Banana
[2] => Liquor
)
[sum3] => Array
(
[0] => Grapes
)
)
我打算把sum
键(SUM1 & SUM3)的新阵列上。 A foreach
在我的脑海中,但我怀疑我应该使用正则表达式还是PHP字符串函数。
foreach($arr as $k => $v)
{
//I'm lost here on how to match keys with at least `sum` word on it
}