The [array->reverse] reverses all of the elements in the array so the last element is first and vice versa. The array is modified in-place and no result is returned.
This example takes an array of the days of the week and reverses their order within the array.
var( DaysOfWeek = array('Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat') ) $DaysOfWeek->reverse //modified array $DaysOfWeek
array(Sat, Fri, Thu, Wed, Tue, Mon, Sun)
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