我有数组，我想按字母顺序然后按数字对数组进行排序

Question

我有数组

$array ["321","B012","C011","215"];

我想将它们排序为

[0] = "B012"
[1] = "C011"
[2] = "215"
[3] = "321"

我如何对这个数组排序？