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ArrayIterator::ksort	ArrayIterator::natsort

ArrayIterator	Last updated: Mon, 26 Oct 2026

ArrayIterator::natcasesort

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

ArrayIterator::natcasesort — Sort entries naturally, case insensitive

Description

public function ArrayIterator::natcasesort(): true

Sort the entries by values using a case insensitive "natural order" algorithm.

Note:
If two members compare as equal, they retain their original order. Prior to PHP 8.0.0, their relative order in the sorted array was undefined.

Parameters

This function has no parameters.

Return Values

Always returns true.

Changelog

Version	Description
8.2.0	The return type is `true` now; previously, it was bool.

See Also

ArrayIterator::asort() - Sort entries by values
ArrayIterator::ksort() - Sort entries by keys
ArrayIterator::natsort() - Sort entries naturally
ArrayIterator::uasort() - Sort with a user-defined comparison function and maintain index association
ArrayIterator::uksort() - Sort by keys using a user-defined comparison function
natcasesort() - Sort an array using a case insensitive "natural order" algorithm

ArrayIterator::ksort	ArrayIterator::natsort

ArrayIterator	Last updated: Mon, 26 Oct 2026