发布于 2015-09-14 15:08:34 | 185 次阅读 | 评论: 0 | 来源: 网络整理
-
$cmp
Takes two values in an array and returns an integer. The returned
value is:
- A negative number if the first value is less than the second.
- A positive number if the first value is greater than the second.
- 0 if the two values are equal.