我如何在php中更改数组的索引[重复]

Question

如何在 php 中更改数组的索引？ 例如

$myArray = {"x","y","z","w"};

我想把 myArray [2] 的索引改为 myArray ["two"]

Answer 1

您可以使用unset() 来实现：

$myArray = ["x","y","z","w"];
$myArray['two'] = $myArray[2];
unset($myArray[2]);