ArrayIterator::uksort

(PHP 5 >= 5.2.0, PHP 7)

ArrayIterator::uksort — Sort by keys using a user-defined comparison function

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public ArrayIterator::uksort ( callable $cmp_function ) : void

This method sorts the elements by keys using a user-supplied comparison function.

Note:

If two members compare as equal, their relative order in the sorted array is undefined.

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cmp_function

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callback ( mixed $a, mixed $b ) : int

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锟轿硷拷

  • ArrayIterator::ksort() - Sort array by keys
  • ArrayIterator::uasort() - Sort with a user-defined comparison function and maintain index association
  • uksort() - 使锟斤拷锟矫伙拷锟皆讹拷锟斤拷谋冉虾锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷械募锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�