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UASORT

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

SYNTAX

uasort ( array &$array , callable $value_compare_func ) : bool

PARAMETERS

array

The input array.

value_compare_func

See usort() and uksort() for examples of user-defined comparison functions.

RETURN

Returns TRUE on success or FALSE on failure.

EXAMPLES

Array
(
    [a] => 4
    [b] => 8
    [c] => -1
    [d] => -9
    [e] => 2
    [f] => 5
    [g] => 3
    [h] => -4
)
Array
(
    [d] => -9
    [h] => -4
    [c] => -1
    [e] => 2
    [g] => 3
    [a] => 4
    [f] => 5
    [b] => 8
)

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