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sort	uksort

	Last updated: Thu, 26 Jun 2008

uasort

(PHP 4, PHP 5)

uasort — Sort an array with a user-defined comparison function and maintain index association

Description

bool uasort ( array &$array , callback $cmp_function )

This function sorts an array such that array indices maintain their correlation with the array elements they are associated with, using a user-defined comparison function.

This is used mainly when sorting associative arrays where the actual element order is significant.

Parameters

array: The input array.
cmp_function: See usort() and uksort() for examples of user-defined comparison functions.

Return Values

Returns TRUE on success or FALSE on failure.

uasort

Description

Parameters

Return Values

See Also