php - 如何使用非连续数字键重新键入数组

Question

我有一个数组:

Array
(
 [0] => ololo
 [2] => test
 [3] => haha
 [7] => nice
)

如何将数组的索引更改为:

Array
(
 [0] => ololo
 [1] => test
 [2] => haha
 [3] => nice
)

Answer 1

来自 PHP.net:

array_values() returns all the values from the input array and indexes the array numerically.

Source

$arr = array_values($arr);