Question

例如，我有以下数组：

$arr[0] = "1"
$arr[7] = "p"
$arr[10] = "c"
$arr[12] = 'k"

如何将其转换为：

$arr[0] = "1"
$arr[1] = "p"
$arr[2] = "c"
$arr[3] = 'k"

Answer 1

像这样：

$arr = array_values($arr);