PHP: ArrayIterator::ksort - Manual

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

ArrayIterator::ksort — Sort entries by keys

Description

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.

Return Values

Always returns true.

Changelog

See Also

• ArrayIterator::asort() - Sort entries by values
• ArrayIterator::natcasesort() - Sort entries naturally, case insensitive
• 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
• ksort() - Sort an array by key in ascending order