ArrayObject::uksort() - 各种类及接口
ArrayObject::uksort()
(PHP 5 >= 5.2.0, PHP 7)
Sort the entries by keys using a user-defined comparison function
说明
publicArrayObject::uksort(callable $cmp_function): voidThis function sorts the keys of the entries using a user-supplied comparison function. The key to entry correlations will be maintained.
参数
$cmp_functionThe callback comparison function.
Function$cmp_functionshould accept two parameters which will be filled by pairs of entry keys. The comparison function must return an integer less than, equal to, or greater than zero if the first argument is considered to be respectively less than, equal to, or greater than the second.
返回值
没有返回值。
范例
ArrayObject::uksort() example
以上例程会输出:
an apple: 3 a banana: 4 the Earth: 2 John: 1
参见
- ArrayObject::asort() Sort the entries by value
- ArrayObject::ksort() Sort the entries by key
- ArrayObject::natsort() Sort entries using a "natural order" algorithm
- ArrayObject::natcasesort() Sort an array using a case insensitive "natural order" algorithm
- ArrayObject::uasort() Sort the entries with a user-defined comparison function and maintain key association
鹏仔微信 15129739599 鹏仔QQ344225443 鹏仔前端 pjxi.com 共享博客 sharedbk.com
图片声明:本站部分配图来自网络。本站只作为美观性配图使用,无任何非法侵犯第三方意图,一切解释权归图片著作权方,本站不承担任何责任。如有恶意碰瓷者,必当奉陪到底严惩不贷!