(PHP 3>= 3.0.4, 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. This is used mainly when sorting associative arrays where
the actual element order is significant. The comparison function
is user-defined.
Returns TRUE on success or FALSE on failure.
Note:
Please see usort() and
uksort() for examples of user-defined
comparison functions.
See also usort(), uksort(),
sort(), asort(),
arsort(), ksort(),
and rsort().
