在PHP中更改数组键值
我有一个如下的数组在PHP中更改数组键值,php,arrays,key,Php,Arrays,Key,我有一个如下的数组 [test] => Array ( [0] => 1 [1] => 3 [2] => 5 [3] => 13 [4] => 32 [5] => 51 ) [test] => Array ( [2]
[test] => Array
(
[0] => 1
[1] => 3
[2] => 5
[3] => 13
[4] => 32
[5] => 51
)
[test] => Array
(
[2] => 1
[4] => 3
[6] => 5
[8] => 13
[10] => 32
[12] => 51
)
我需要将此数组更改为如下所示
[test] => Array
(
[0] => 1
[1] => 3
[2] => 5
[3] => 13
[4] => 32
[5] => 51
)
[test] => Array
(
[2] => 1
[4] => 3
[6] => 5
[8] => 13
[10] => 32
[12] => 51
)
我需要更改键值。如何执行此操作?array_values()函数返回一个包含数组所有值的数组,并重置所有键。你可以照我说的做
$newArray = array_combine(
range(2,count($originalArray)*2,2),
array_values($originalArray)
);
$arr = array(0 => 1, 1 => 3, 2 => 5, 3 => 13, 4 => 32, 5 => 51);
$count = 1;
$tempArr = array();
foreach ($arr as $key => $val) {
$tempArr[$count * 2] = $val;
$count++;
}
var_dump($tempArr);exit;
请在您身边尝试此代码。函数array_values()返回一个包含数组所有值的数组,并重置所有键。你可以照我说的做
$arr = array(0 => 1, 1 => 3, 2 => 5, 3 => 13, 4 => 32, 5 => 51);
$count = 1;
$tempArr = array();
foreach ($arr as $key => $val) {
$tempArr[$count * 2] = $val;
$count++;
}
var_dump($tempArr);exit;
请在您身边尝试此代码。键入:
array\u key(
不需要,否则+1确实,array\u key()只是开销:编辑以删除it@MarkBaker你救了我的命。非常感谢。它工作得很好。键入:array\u key(
不需要,否则+1真的,array\u key()只是开销:编辑以删除it@Mark贝克:你救了我的命。非常感谢。它工作得很好。键中是否有任何模式,或者这只是值?键中是否有任何模式,或者这只是值?