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rsort()

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<?php
$array =
    ; // array $array

$bool = rsort (
    , // array &$array
     ✓?  // [int $sort_flags = SORT_REGULAR]
);
?>
Result
PBX error : a value cannot be passed by reference ([0 => 123])
Examples
#1 rsort  (/* $array = [0 => "lemon", 1 => "orange", 2 => "banana", 3 => "apple"] */
 $array)
#2 rsort  (/* $array = [0 => "Orange1", 1 => "orange2", 2 => "Orange3", 3 => "orange20"] */
 $array,
 SORT_NATURAL | SORT_FLAG_CASE)
#3 rsort  (/* $array = [0 => "lemon"] */
 [0 => 123])
See also
arsort, krsort, sort
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