Function: popElement
Removes and returns the last element of a list. Returns null if performed on an empty list.
Syntax
popElement(array)
| Argument | Type | Description |
|---|---|---|
| array | Array | List of values |
Examples
popElement([2,0,1])
popElement() returns the value 1 and removes this element from the list, leaving [2,0].
$discountFilter = ifNull($discountFilterId, _NULL, popElement($discountFilters)
popElement() returns the discount filter from the end of the list of filters, then removes this filter from the list.